History Fanficrecs / Halo

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''[[https://www.fanfiction.net/s/13742880/1/Were-it-So-Easy Were it So Easy]]'' by [[https://www.fanfiction.net/u/9834275/Sigma0327 Sigma0327]]

* Comments: Between the ODST being on par with Reaper, occasional debate with people of (relatively) more peacefull setting, and Covenant techs & aliens that occasionally pops out of the woods, this fic isnt short on thrills.

* ''[[https://archiveofourown.org/works/24220075/chapters/58350130 Distant Stars]]'' by [[https://archiveofourown.org/users/BoneDaddyAinz/pseuds/BoneDaddyAinz BoneDaddyAinz]]

''Boku No Halo Academia'' by [[https://www.fanfiction.net/u/12937241/Iowaman24 Iowaman24]] ([[https://forums.spacebattles.com/threads/boku-no-halo-academia-rising-conflict-halo-mha-au-crossover.1080930/ Spacebattles Link]])

''[[https://www.fanfiction.net/s/13287710/1/The-Mantle-of-Remnant The Mantle of Remnant]]'' by [[https://www.fanfiction.net/u/4548359/KtyouVsWriting KtyouVsWriting]]

* Crossover with: ''WebAnimation/{{RWBY}}''

* Synopsis: The Master Chief has saved Humanity at the cost of Cortana, one of his few remaining friends. More than he will admit, John relied on her and cared for her. To no longer have her means to lose another part of his humanity. Still, the universe keeps going and once again, he is called to serve and protect Mankind. Now he has a choice: does he brave Remnant alone or does he embrace help?
* Comments: Without Cortana, Master Chief relies on his Spartan training, and ended up forming team RWBY under his leadership. Be warned, there is AdaptationalAngstUpgrade here.

''[[https://www.fanfiction.net/s/14197239/1/The-Sins-of-our-Fathers The Sins of our Fathers]]'' by [[https://www.fanfiction.net/u/12439994/MarkerMagnum MarkerMagnum]]

* ''Status'': Dead (last updated August 2016)

''[[https://www.fanfiction.net/s/11643446/1/Enduring-the-Flames-of-War Enduring the Flames of War]]'' by [[https://www.fanfiction.net/u/3405770/Masterdude21 Masterdude21]]
* Recommended by: [=MasterChiefHalo4=]
* Crossover with: ''Franchise/MassEffect''

* ''Synopsis'': "A joint Asari-Turian operation salvaged a "package" from a derelict wreckage in the Terminus Systems, whereupon they release a force of war beyond their reckoning. Hoping to avoid another war, Commander Shepard recruits the "package" into her team. A simple act of kindness, unwittingly paving the way for a clash unlike the universe has ever seen. Fate directs the flames of war."
* ''Comments'': A story that is literally, bursting with awesomeness. It capture just how much of an force of nature the Master Chief really is and characterize the Mass Effect universe people really well, while building up an interesting background intrigue scenario with our all time favorite ONI spooks. The only thing I have to criticize about this work was that at the start of this story the relationship and camaraderie between Cortana and Chief was very awkwardly handled but now the author seems to have improved up on it and is turning this fic to become one with the most potential in fanon, closely behind [=GeneralRage=] works.

''Fanfic/TheOnyxStars'' by The Hidden Sith
* Recommended by: [=LooksAwesome=]
* Crossover with: ''Franchise/MassEffect''
* ''Status'': Dormant
* ''Synopsis'': "A lost ship, a lost warrior, and a lost mind find themselves stranded in a new cosmos. Full of vast wonders, threats, and opportunities, this new realm is an unknown element for a crew accustomed to war and hardship. But all Edens must fall and all men must die. Sewn into the embers of war lay the seed of victory." A Halo/Mass Effect crossover.
* ''Comments'': This one shows a lot of promise. ''Infinity'' and co. are stranded in the ''Mass Effect'' verse after {{Applied Phlebotinum}} event takes place. No timeline and no codex, that's been done to death by now. Witness character growth mixed-in with an engaging plot and narrative without fillers. Some parts of the fan lore strain reader immersion [[spoiler: The overthrow of Parangosky and Osman; the author's blatant distaste for the pair bleeds into Lasky and Roland]].
** This story can stray into the old trap of "author's favored 'verse coming in and playing the Sue card" in parts. While it's a decent read, there's definitely a "UNSC-is-better-than-you-just-because" feel to this story, as at times ME-'verse characters show a sudden drop in IQ and competence while dealing with the ''Infinity'' crew, and the UNSC characters operate like they have an OmniscientMoralityLicense on several occasions.

''[[https://www.fanfiction.net/s/9959054/1/Reflection-in-Steel Reflection in Steel]]'' by [=CommissarRasher=]
* Recommended by: Tropers/TabulaRasa

* ''Status'': Dormant
* ''Synopsis'' The UNSC Wotan is the finest ship ever built by human hands. But now its crew faces the greatest challenge of their lives. Trapped in a strange land, they must survive and try to find a way home in a dark galaxy where there is only war.
* ''Comments'' The largest and most powerful warship built by the UNSC is transported into the 40k universe and must find its way home. Following a diverse cast of characters from both sides of the crossover, this story avoids some of the common problems of crossovers I've seen. Neither side is overpowered and the characters never use meta knowledge of the setting to counter each other, also noted for not having the UNSC characters become friends with anyone in 40k, and not using the setup as an excuse to have Spartans fight Space Marines. The story is also available on ''[[http://forums.spacebattles.com/threads/reflection-in-steel-a-halo-40k-crossover.280238/ SpaceBattles]]'' where it updates more frequently, in small chunks rather than the massive 10-20,000 word chapters the author uploads to FF.net.

''[[http://www.fanfiction.net/s/7445806/1/Lost_Legacy Lost Legacy]]'' by Andrithir
* Recommended by [=Qwerty282=]

* ''Status'': Complete
* ''Synopsis'': The dormant shall rise. The Reclaimers will return. A great war begins.(Author's summary) The UNSC falls after extended warfare with augmented brutes and yahgs, evacuating to the Ark. Thousands of years later, a crypt is found under the Earth by the Systems Alliance... This is a Merged Timeline Universe.
* ''Comments'': This is an amazing fanfic with deep characterisation and realistic drawn-out military campaigns. The way the UNSC fights is believable, as are the reactions to them by the Mass Effect charaters. The way the author crafts the characters of Arca, Lotus and the other members of ONISAD is absolutely top-notch. The Flood also make an appearance in this fic, during the Battle of the Citadel. I absolutely reccomend reading this. WARNING: The story is filled with tragic scenes. Not a good mood-lifter.
** Like ''The Last Spartan'', ''Lost Legacy'' is overrated. Its not terrible, but neither is it good. The premiseverse is rather weak and flimsy - apparently nobody in the Systems Alliance can recall a global, nuclear bombardment of Earth during the 'twelfth century' AD, nor have they, or any of the ''Mass Effect'' species, encountered the Forerunner legacy, while the UNSC and ex-Covenant species stand completely ignorant of the existence of the Reapers and the threat they represent despite being a Tier 1 civilization. The dialogue is forced and contrived, the narrative is uninspiring and dithering, the lead characters - particularly the UNSC personnel - do not resemble anything established in canon - the Master Chief is a badass-no-more and Cortana is still alive even though she went rampant ''and'' died [[spoiler: Halsey apparently died at one point, but she is also alive]] - the ''Halo'' species are there, but they only figure for aesthetic purposes and do not play a signifigant role in the story. Same with the ''Mass Effect'' races, and neither side seems perturbed, much less shocked by the existence of the other. If you are of wont for a fanfiction that rises above the crowd and triumphs over SturgeonsLaw, then you may wish to look elsewhere.

''Fanfic/FinishingTheFight'' by Aratech
* Recommended by @/{{SAMAS}}, Psalm of Fire, Silverwind91, @/{{Comartemis}}, Exalted Requiem, @/{{Jonn}}, @/{{Night}}, @/USABobcat
* Crossover with: ''TabletopGame/DungeonsAndDragons''
* ''Status'': Complete
* ''Synopsis'': From an altered ''Halo 3'', The Master Chief, Cortana, Arbiter, Sgt Johnson and Captain Keyes end up riding the ''Forward Unto Dawn'' all the way to the Forgotten Realms, just before the Time of Troubles begins.
* ''Comments'':
* Psalm of Fire: Very bloody, but the approach and ability to portray wonder really snagged me into it.
** @/{{Comartemis}}: Seconded. As far as I care, this is ''Halo 3'''s canon ending.
** Thirded. Easily one of the most engrossing Fic's I've ever read. I honestly can't begin to guess at just how many hours I've spent reading this thing...
** @/{{Night}}: A sort of first cousin to Literature/TheSalvationWar in terms of some of the themes, but a very different story in plot, setup, and character. While magic met firepower, and firepower's victory was absolute, it did not have to be that way. Ably demonstrates the nature of an Outside Context Problem; it's not the difference between sides is insurmountable (and it is not; there are opponents who even manage to give the Master Chief and Arbiter trouble), but that they simply don't have the experience or the tactics to start looking for ways to fight back.

''[[http://www.fanfiction.net/s/4068969/1/Red_In_Tooth_And_Claw Red In Tooth And Claw]]'' by JA Baker
* Recommended by @/GentlemensDame883
* Crossover with: ''Series/{{Battlestar Galactica|2003}}''
* ''Status'': Complete
* ''Synopsis'': The good ship Series/{{Battlestar Galactica|2003}} encounters the derelict, but still the good, ''Forward Unto Dawn'' and its Spartan cargo. A brief encounter with leftover Flood is but the start of trouble for both sides, however, who can barely trust the other.
* ''Comments'': It's a {{crossover}} with ''Series/{{Battlestar Galactica|2003}}'' -- the 2003 version. Occasionally, Some pretty glaring spelling errors pop-up, usually involving homophones (the author mistook "metal" for "mettle" in the second chapter) and missing or switched out letters. This can snap you out of some otherwise good writing.
** @/{{Night}}: This is not a good story. It is unfaithful to the characters of all involved; they are at best hollow, superficial versions of themselves

''[[http://www.fanfiction.net/s/3678670/1/Chains_of_the_Kindred Chains of the Kindred]]'' by Solvdrage
* Recommended by Angel_of_Death
* Crossover with: ''TabletopGame/Warhammer40000''
* ''Status'':Dead (last updated July 2016)
* ''Synopsis'': Two besieged branches of Humanity, separated by time and space have been reunited. And there is only War!
* ''Comments'': What if the ''Warhammer 40,000'' Universe and the ''Halo'' Universe came together? What if the Imperium of Man allied itself with the UNSC? What if the Covenant began being utterly curbstomped by said alliance? This is a well-written fanfic, using only canon info, and making sure that neither side gets too great an advantage. It also answers some questions like: Titan vs Scarab, or Flood vs 'Nids.

''[[http://www.fanfiction.net/s/5939286/1/The_Last_Spartan The Last Spartan]]'' by Dino Jake
* Recommended by Gamerex27 and Crow T R0bot

* ''Status'': Dormant; last updated December 2018
* ''Synopsis'': An AU fic in which the Halo and ME universes share the same galaxy. After a well-deserved rest in Cryo-Sleep, Master Chief finally awakens...to a whole new galaxy.
* ''Comments'': This may very well be the only well-written Franchise/{{Halo}} and Franchise/MassEffect crossover this Troper has ever read. Everyone is in character, the alien races of Halo do a very nice job of changing up many different events in the game (all for the better), and the few OC'S in it (which are not introduced until chapter 10) are very realistic and engaging characters.
* Seconded (though this troper has one other Halo/Mass Effect crossover to recommend, see below), I was actually contemplating whether to recommend this story until I noticed it already had been. Initially, there were a few quibbles with the plot, such as arbitrary date changes and humanity's reasoning for joining the Citadel races seemed shaky, the author eventually yielded to Constructive Criticism and rewrote the offending parts accordingly. Even before that, this is a truly enjoyable fic, and the Master Chief certainly makes for a unique [[spoiler: Commander Shepard substitute]], leaving more of an impression than just awe on his squadmates, [[spoiler: his initial mistrust of various alien squadmates, and Tali's early frustration towards him, for example]]. Also, while the first (only?) OC squadmate, N'tho 'Sraom comes across as generically annoying (though never in a [[TheScrappy Scrappy]] or CreatorsPet fashion) he does continue ''Franchise/MassEffect'''s tradition of subverting PlanetOfHats, not fitting the stereotype of ProudWarriorRaceGuy that Elites are known for, which makes me appreciate him more than I did at first.
** N'tho is not an original character; he's player 3 in Halo 3 campaign's co-op mode, and his character is based on details from Bungie's official descriptions of him and player 4's Usze 'Taham, [[http://halo.bungie.net/news/content.aspx?type=topnews&link=thesoundofsack seen here]] about 1/3 of the way down the page.
** [[Fanfic/TheLastSpartan Now has its own page]]
** This is a very good fic, but I think it's overrated. The author is fantastic at characterization, but to be honest, if he weren't the fic would fail. The Halo races are there, but they're nothing like the Halo races really are as they behave very out of character. Even with the time skip, the way they act makes no sense. Furthermore, since the Sangheili are still using all the plasma tech, why aren't using it? The FridgeLogic in the story can really undermine it's amazingly strong characterization. It's a good fic, but overrated.

''[[https://www.fanfiction.net/s/6531221/1/The_Price_of_Unity The Price of Unity]]'' by [[https://www.fanfiction.net/u/2400025/Lord-Caelum Lord Caelum]]
* Crossover with: ''Franchise/StarWars''
* Recommended by: [=Vazeron1=]
* ''Status'': Dormant
* Synopsis: Multi-crossover with a Halo and Star Wars focus. Decades after the Human-Covenant war, Grey Team has been recovered, bringing information that had cost them their lives. A new conflict is on the Horizon.
* Comments: Absolutely recommended by this troper. While it does start off slowly, I absolutely loved basically everything about this fanfiction. My only critique is that it doesn't focus much at all on individual characters, but when it does it does it realistically (with perhaps one exception), making you care about characters and understand them a mere paragraph or three in. It's expansion of the Halo universe as the centuries go on is realistic, done nigh-perfectly, and I legitimately believed I was reading Canon at several points. While the Star Wars crossover may put some people off, do give it a chance, as it's done extremely well, even if the vast array of numbers may be off-putting at first. Furthermore, the fic is absolutely hilarious at times, making me laugh out loud repeatedly, and still manages to be serious, professional, and simply an amazing read. The UNSC is definitely starting to turn into a military power, with little thought given to civilian oversight, which, while terrifying, is remarkably benign, and done in a superb and realistic manner. The writing is simply superb, with little to no grammar or spelling mistakes, and the stylism being absolutely top notch. An absolutely worthy read, even if you're not too familiar with Star Wars Canon (like me). There are a few references you might miss (a throw away line concerning Grand Admiral Thrawn, for instance), but they are minor and not at all needed to enjoy the story. If you've seen the movies, you're fine. Even if you haven't, you're still probably fine, but you should probably just watch them already. Same goes for the Halo universe. If you've played the games, even just the original trilogy, again, you're fine. The more, the better, obviously, but it in no way detracts. All in all, an amazing read, and one that I very, very much hope is updated soon.

''[[http://www.fanfiction.net/s/6884090/1/Convergence Convergence]]'' by pyrotorch246
* Recommended by: extinctnlvlevnt
* Crossover with: ''Franchise/MassEffect''
* Status: Complete
* Synopsis: "Nearly one hundred years after the end of the human-Covenant War, the descendents of the greatest generation that ever lived make a discovery that will change the face of the galaxy forever."
* Comments: Its ''Halo'' Humanity curb-stomps the Turian Hierarchy in a First Contact scenario! Yes, yes, there's practically a thousand of those out on the internet, but this one is done right! No codex, no timeline, no author that apologetically vanishes after two or three chapters because they realize they've really got no idea what they're doing! The violence is visceral, the narrative is engaging and reminiscent of Eric Nylund's work in its grim focus on the effect war has on those who endure it first-hand. The characters are fleshed-out and sympathetic and the big space battle over the Turian colony is four-star badass-ery. [[spoiler: The Turian fleet is annihilated because their ships are facing the wrong direction!]] The Citadel council is, of course, completely useless. The Turians are indiscriminate, over-zealous interstellar policemen. The humans are BFF's with the Elites - who still like to rain plasma on top of their enemies from their ships in orbit. Bonus points to Master Chief and meta-stable Cortana returning to the fight, Liara T'Soni's cameo as a Spectre agent, and the Arbiter calling-out the Council for being the cowards that they are.
** The earlier chapters are a little weak. [[WordOfGod In my (the author's) opinion]], ''Convergence'' doesn't really hit it's stride until chapter seven, with the space battle mentioned above. Before that, the writing's decent, but there's also a mix of some great moments and some [[OldShame truly cringe-worthy ones]]. Chapters one and six in particular are some of the weakest moments. --[=PT246=]

''[[http://www.fanfiction.net/s/6903189/1/When_There_Was_a_Tomorrow When There Was a Tomorrow]]''
by General Rage
* Recommended by Crow T R0bot
* Crossover with: ''Franchise/MassEffect''

* ''Synopsis'': While investigating a wormhole in deep space after the ''Lair of the Shadow Broker'' DLC, Commander Shepard and his jolly Normandy crew come under attack by the Covenant and eventually escape through said wormhole and are escorted to Reach just in time for the events of ''VideoGame/HaloReach''. While trying to assuage a xenophobic AlternateUniverse humanity of his loyalties, the good Commander aids Noble Team in Reach's defense, and learns a great deal of this new galaxy...while trying to save it.
* ''Pairings'': Male!Shepard/Tali.
* Comments: Perhaps an [[OverlyNarrowSuperlative even better Halo/Mass Effect crossover]] than The Last Spartan (listed above). Both the Halo and Mass Effect cast are in character, and despite the latter being the more developed of the two, play rather nicely off the former. Tensions are always high due to Halo!Humanity's understandable xenophobia towards aliens, ONI constantly trying to subvert Shepard's authority and get the secrets of his universe's tech, and Legion's interactions with Noble Six as it tries to understand organics more. The action sequences are very tightly done, and do not feel rushed or slow. Overall a very solid and addictive read.
** I read this fic twice. The first time through was engrossing; the second, unbearable. The fight scenes which had seemed detailed and riveting now dragged, hampered by their own weight. The grammar and spelling issues, which I hadn't noticed before, were so obtrusive that after a while, the fic was simply unreadable.
** Now [[FanFic/WhenThereWasATomorrow has its own page]].

''[[http://archiveofourown.org/works/1099236/chapters/2211681 In the Shadow of Gods]]'' by ''Anne Whyne''
* Recommended by [=FarmerKyle=], lanky, Sulimeth, extinctnlvlevnt
* Crossover with: ''Franchise/MassEffect''
* ''Status'': Dead (last updated August 2016)
* ''Synopsis'': They stand apart from humans as heroes, saviors, and gods among men. But when we stand in the shadows of gods, we fail to see the cost to them. Sometimes the only one that can understand the weight of the universe is someone else who bears it (Author's Summary). this fic takes place not long after Abigail Shepard and her team have destroyed the Collector Base. They come across the remains of a giant of a ship, "like a whale against the Normandy's dolphin" to use the author's comparison, that doesn't match any known models. Shepard decides to investigate it, and they find the bisected ship's only two inhabitants, an A.I. and a soldier both far from home. And with the looming threat of the Reapers, Shepard's going to need all the help she can get.
* ''Comments'': One of the better crossovers of its kind, and a great fanfic all around. Shepard here is Paragon, with dashes of Renegade to keep things interesting. Also doesn't speed up the trust issue between John and the rest of the team, especially after Cortana tries to hack EDI. Great characterizations all around, the fights are well done, and overall a great story!
** I'll add a reluctant second to this story. Master Chief's characterization is... odd, to say the least. It definitely makes for a stark contrast with the characterization of, say, The Last Spartan. He's a little too reluctant for my tastes: Master Chief feels like the kind of guy who would jump at the chance to help humanity rather than being so sentimental, especially as regards his out-of-date, inferior equipment. I will say, however, that the author's writing of his combat abilities is the best I've ever read: She captures the pants-shitting terror a warrior like John-117 would inspire in his opponents perfectly.
** Cheerful third. There are a few spelling errors and moments where things don't quite make sense (though that may be explained later), but overall it's pretty good. Brilliant fight scenes. I didn't find any problems with the characterisation, personally it made sense that Chief would hold onto the only things he's got left of home, and his equipment seems on par, if not superior in some cases, to that of the Normandy crew. Well done for someone who says they aren't as familiar with the Halo franchise as they'd like to be.
** Quite possibly THE best Halo/ME crossover out there - even in its unfinished state; the narrative and dialogue is compelling and relatable, and the characters themselves are true-to-canon. The setting on the ''Normandy'' is tense and contentious, with only a little humor thrown around to keep the situation from boiling over. The violence is bowel-shattering spectacular, with the Master Chief stealing Shepard's spotlight because, well... he's the Master Chief.
* ''Status'': Put on hiatus by author in protest of cyberbullying and Critics United. %%That's the author's reason and we don't need natter for or against it, so keep YOUR opinions on that off this page.
* Though author has expressed the desire via tumblr account to resume work and finish the story, with ideas for a sequel set in the ''Halo'' verse.
* The link to this fic is broken. Please post a mirror. Edit: turns out that the author deleted the original FF.net version and has begun to rewrite it on Archive of Our Own. The link has been changed accordingly.
* The new version of the fic currently (November 15th, 2014) has three chapters, and I can barely wait for the fourth. The quality of the writing is absolutely professional; it feels like something commissioned jointly by Bungie and Bioware. I highly recommend this to any Halo or Mass Effect fan.
* Now has [[FanFic/InTheShadowOfGods its own page.]]

[[http://www.fanfiction.net/s/6376514/1/ Mass Effect New Origins V2]] by [[http://www.fanfiction.net/u/1835782/erttheking erttheking]]
* ''Recommended'' by drsdino, [=Qwerty282=]
* Crossover with: ''Franchise/MassEffect''

* ''Synopsis'': On the dawn of the 27th century, the UNSC discovers a Mass Relay, and unlock its power. What follows not only includes making contact with new species and making new friends, but making new enemies as well, and the entire galaxy will shake.
* ''Comment'': An interesting fan fiction, has some typos and very long Author Notes that boil down to either swear ridden ranting, or odd tangents that descend into babbling. But it has interesting characters, character development. And best of all?... NO STAR CHILD HURRAY!
** Enthusiastically seconded. The character development is good. Also, [[spoiler:Udina gets hacked by Anderson in a completely humiliating way at the end]]. The battle at the end is a great alternate and perfectly logical substitute to the Star Child of canon which absolutely NO ONE finds realistic.

''[[Fanfic/MassEffectClashOfCivilizations Mass Effect: Clash of Civilizations]]'' by [[http://www.fanfiction.net/u/2852289/ Eterna1Soldier]]
* ''Recomended'' by MetaSkipper, [=MetalKing1417=], extinctnlvlevnt
* Crossover with: ''FRanchise/MassEffect''
* ''Status'': Dormanr; reader beware: time-lapse between updates can last for ''months''.
* ''Synopsis'': "In 2157, a Citadel Council exploratory vessel is tasked with opening a dormant Relay into unknown regions of the galaxy. What they find is something they never expected. What happens when two civilizations centered around different technologies clash?"
* ''Comments'': This fic explores well the implications of two cultures meeting. The characters have stayed true, and the OCs are well-fleshed out. The space battle scene is also written well, being more than one side has bigger guns, hence they win. Overall, a well-written fic, though the author's long update times are to be noted.
** Absolutely astounding. As already stated above, this a classic {{Cross Over}} posing a simple question: "What happens when two universes; each with their contrasting ideologies, divergent technology, and exotic customs meet for the first time?" The ''Franchise/MassEffect'' fan favorites - Tali, Liara, and Mordin - are completely in-character, and even the OC's are sympathetic personalities with engaging dialogue and social interactions. Correct grammar, syntax, and punctuation are exhaustively maintained - if you're like me and are neurotic about those things. The author also makes the rare effort to avoid favoring one verse over the other that is sadly seen all-too-often. On a final note, go read all of [=Eterna1Soldier's=] works, they're all f!cking amazing in equal measure.
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''[[http://www.fanfiction.net/s/5710901/1/Halo-Acheron Halo: Acheron]]'' by G. Langland
* ''Recommended'' by: extinctnlvlevnt
* Cossover with: ''{{Franchise/Alien}}''
* ''Status'': Complete
* ''Synopsis'': "Long before the ''Pillar of Autumn'' made its fate-bound flight from the Fall of Reach, the Master Chief and co. are deployed to the Zeta II Reticuli system on a mission to investigate the surface of a moon called Acheron LV-426."
* ''Comments'': Humanity's Sword and Shield are nothing more then prey for the xenomorphs of Acheron to confuse, torment, and butcher at will. Wait! Xenomorphs?! Acheron?! Yeah, this guy does such an excellent job weaving these two franchises together that by the time you reach the end, you've completely forgotten the fact that you're reading a crossover and NOT actual canon. And you couldn't care less. That's how good it is. [[spoiler: Bonus points to the Elite giving birth to a chestburster in full-view of the Master Chief. We all know it takes a lot to get under 117's skin, but he finds the spectacle to be absolutely ''nauseating'', and more-than-a-little scary.]]

''[[http://www.fimfiction.net/story/13906/Halo%3A--On-the-Wings-of-Angels Halo: On the Wings of Angels]]'', by [[http://www.fimfiction.net/user/Gyvon Gyvon]]
* Recommended by Tropers/ClatoLawa
* Crossover with: ''WesternAnimation/MyLittlePonyFriendshipIsMagic''
* ''Status'': Dormant
* ''Synopsis'': Set before the fall of Reach. It has been several months since the disappearance of Twilight Sparkle. One night, after watching her sister raise the Moon and set the heavens alight, Princess Celestia begins to bed down for the night, only to be interrupted by portal forming in her room. From out of the portal comes none other than Twilight Sparkle, garbed in strange armor. Princess Celestia, along with Luna, Cadence, and Shining Armor, are overjoyed by the Element of Magic's return, but are justifiably curious as to where she had been and what she had been doing. And so, Twilight begins her tale. A tale of survival against impossible odds. A tale of a people fighting for the most basic right of all sentient beings. The right to exist.

''[[http://www.fanfiction.net/s/8589033/1/Halo-Wastelands Halo: Wastelands]]'' by M306117
* Recommended by [=S3B312=]
* Crossover with: ''{{VideoGame/Fallout}}''
* ''Status'': Complete
* ''Synopsis'': In 2552, a UNSC frigate drops out of Slipspace near Earth to find it has been ravaged by nuclear war and is attacked by a UFO in orbit over the planet. In need of parts and answers, they send a Spartan supersoldier to the Pentagon to find them.
* ''Comments'': A decent Halo/Fallout crossover, but the Halo characters seem overpowered next to their Fallout counterparts.

''[[http://www.fanfiction.net/s/5869588/1/Fighting-for-a-Purpose-V2 Fighting for a Purpose V2]]'' by [[http://www.fanfiction.net/u/1835782/erttheking erttheking]]
* Recommended by: drsdino
* ''Status'': Complete
* ''Crossover with'': ''Franchise/StarWars''
* ''Synopsis'': While on a deep space mission, a CCS- battlecruiser is shot down by the CIS. The battle fought by the surviors is brutal, but it is only a glimpse of what is to come. Ahsoka/OC AU post Halo 3 pre Revenge of the Sith
* ''Pairing(s)'': Ahsoka Tano/OC.
* ''Comments'': An old fic of erttheking, it is set inbetween the events of Halo 3 and Revenge of the Sith, and humanity and the former Covenent races have joined up. (mind you this was BEFORE Halo 4 came out.)
** Erttheking: Eh. I'm gonna be blunt, this is not one of my better works. It was when I was still learning the ropes and there's a lot wrong with it. The Jedi Council is a little too one dimensional, characters arcs are rather rushed at points, and there's a good chunk of wish fulfillment without much rhyme or reason to it. Keep that in mind.

''[[https://www.fanfiction.net/s/8760851/1/Halo-The-Imperial-War Halo, The Imperial War]]'' by ''[[https://www.fanfiction.net/u/1888797/SpaceCowboy2013 SpaceCowboy2013]]''
* Recommended by: Crow T R0bot
* ''Status'': Dormant
* ''Crossover'': ''Franchise/StarWars''
* ''Synopsis'': Mankind's first contact is not what it had been expecting, and not with anyone or anything they were expecting. But never the less contact goes poorly for all and sends repercussions further than anyone could have imagined. Halo AU/Star Wars
* Comments: While the first chapter is merely an excerpt from ''The Fall of Reach'' rewritten to account for the Galactic Empire replacing The Covenant, it is nonetheless a suitable prelude to a truly epic war story full of general badassery, TechnologyPorn (the UNSC is considerably more advanced than it is in canon, though ''just'' enough to even stand a chance against the Imperials) and a gloriously detailed and [[IndyPloy deviously improvised]] naval battle between [[MagnificentBastard Grand Admiral Thrawn]] and [[FourStarBadass Admiral Preston J. Cole]] that's ''anything'' but one-sided.

''[[https://www.fanfiction.net/s/9751536/1/The-Infinity To Infinity (Formerly 'The Infinty Effect')]]'' by ''[[https://www.fanfiction.net/u/4309541/creamofwheat2311 creamofwheat2311]]''
* Recommended by [=TimothyMan=]
* ''Status'': On hiatus
* ''Crossover'': ''Franchise/MassEffect''
* ''Synopsis'':After discovering a Precursor artifact, the UNSC Infinity and the Sangheili Shadow of Intent are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined: the Reapers. Alliances are founded, friendships are formed, and decisions are made that will change this galaxy forever. Post Halo 4, Pre [=ME3=]. AU.
* Comments: I'm very new here so I'm sorry if my inexperience shines blindingly through, like not flagging enough as spoilers, making this hard to read, or making mistakes, so be weary of that. A few things. first is that this story is AU, for instance, Noble Team, Cortana, and [[spoiler: both Kaidan and Ashley are alive]], and it's kind of hand-waived how they survived for the most part, so if that bothers you too much, look elsewhere. second, Halo is a bit OP ship for ship, [[spoiler: but it's balanced by being ridiculously out numbered by the Reapers]]. With that in mind, the basic premise is the Infinity, Shadow of Intent arrive in the Mass Effect Sol System just before the Reapers arrive. The first contact part was done well, the space battles are fun, the characters are in character for the most part, there are tensions between the UNSC and the Sangheili for once, Halo tech overshadows Mass Effect's, and Spartans are of course badass. Though admittedly a bit too badass, as they steal the spotlight from Shepard a bit, though hopefully that will change in the political intrigue part of the story. Overall, I would give this a glowing recommendation, though keep in mind I'm a terrible critic, so hopefully someone else can give it a more critical analysis.
** It's got a good story. Though at times the dialogue is awkward, and the grammar and spelling are not perfect, it's still a solid fic. I would recommend this to anybody who wants to see a full-scale UNSC vs. Reaper fight.
** Since August 29, 2018, it has been edited, slightly cut down, and several characters from the plot, including [[spoiler: Noble Team]], removed by the author himself as he feels that his writing has improved. Even so, this is still a very good fic.

''Fanfic/ASpartanInWesteros'' by ''[[https://www.fanfiction.net/u/1684724/Agailius Agailius]]''
* Recommended by Troper/MrTerrorist
* ''Status'': Ongoing
* ''Crossover with'': ''Series/GameOfThrones''
* ''Synopsis'': When the Forward Unto Dawn lands in the North, it sets the stage for untold repercussions which will ripple throughout the whole of Westeroes. With civil war threatening to tear the land apart, and an entirely more dire threat arising beyond the Wall, John and Cortana take it upon themselves to again protect the whole of mankind-from both humanity's demons... and those beyond.
* Comments: Ever wonder what would happen if Master Chief and Cortana were in the world of Game of Thrones? Then look no further than with this excellent fanfic where the Chief and Cortana interact with the citizens of Westeros.
** Cannot recommend. There are some subjective problems with the story (everything is going too quickly and smoothly; the Master Chief and the locals trust each other far too easily (contrast [[FinishingTheFight Finishing the Fight]]'s scene where Chief meets the locals); there is a conspicuous lack of deaths, considering that the story is set in Westeros; the story's only fight scene as of Chapter 13 (which isn't even against the locals; it's a description of a Covenant assault on an anonymous city) is completely underwhelming (again, contrast Finishing the Fight); then, there are problems with characterisation and dialogue (Cortana is out of character; Lord Stark seems to find Chief's causing property damage to be funny; everybody, especially Cortana, uses a bunch of weird slang; the locals' speech is peppered with contractions borrowed from Shakespearean English ('tis, 'twas, etc.) but they're used inconsistently (and never appeared in GRRM's novels or the TV show at all!); profanities [[ClusterFBomb are overused]] and reek of American usage (e.g. "son of a bitch", "The fuck you say?", and "You fucking kneelers"); and then there are technical issues (at one point the text abruptly shifts from past tense to present, then back to past for a sentence or two, then back to present). Overall, while the concept is interesting, the execution just isn't that great (plus there's the whole thing about GRRM not wanting ASOIAF fanfic).
*** I disagree and can definitely recommend this story. Had the Chief met any other House other than the Starks first, I would definitely agree that trust is developed far too quickly, but as it so happens, he was lucky enough to encounter them first. Game of Thrones has also been more about politics and intrigue rather than action, not to mention the story is still only in relatively early stages. I'm sure there will be more action down the road. Characterization seems rather fine to me and I don't see how Cortana is heavily OOC, plus Lord Stark doesn't seem the type to get angry over accidental property damage. Dialogue and tenses, I agree there are some issues that could be fixed, but overall, it's still far better than a vast majority of fanfiction that I've read. Overall, while there are definitely issues, I would say this is an excellent piece of writing and quite seamlessly meshes the two worlds together.
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''[[https://www.fanfiction.net/s/10574564/1/Dawn Dawn]]'', by [[https://www.fanfiction.net/u/5946295/NovaTyrant Nova Tyrant]]
* Recommended by Tropers/{{Prometheus117}}

* Crossover with ''VideoGame/LeagueOfLegends''
* ''Synopsis'': The Master Chief finds himself stranded on a strange new world filled with odd new allies and deadly new enemies. As he attempts to find a way back home, dark forces begin their quest for utter domination, content with the knowledge that nothing from their world can stop them. Rated T for light swearing, relationships, and mild violence.
* ''Comments'': Exactly as the synopsis might suggest, this is the story of the Master Chief after the events of ''VideoGame/{{Halo3}}'', having crash-landed on Runeterra in his part of the ''Foward Unto Dawn''. While it starts off as typical crossovers, in which "X joins the League of Legends in trying to get back home", this is immediately thrown a curveball with the fact that [[spoiler:Cortana is [[NeverFoundTheBody seemingly killed]] in the initial crash]], forcing the Chief out of his comfort zone as he attempts to first avoid, then later adapt to getting to know his fellow Champions while waiting for a way to get home. [[HalfwayPlotSwitch This is even further thrown a curveball]] [[spoiler:when the fic stops being about the Chief settling in like typical crossovers and has to aid in the fight against a mecha army created through data stolen from the ''Dawn'', fighting alongside his fellows as they seek to save Valoran from utter destruction]]. Aside from that, the fight scenes are epic, as the Chief is '''[[AvertedTrope not]]''' [[GodModeSue nearly as broken as one might expect]] against his fellow Champions and enemies, and the CharacterDevelopment the Chief goes through is rather in-character for him. All in all, a worthwhile read.

''[[https://www.fanfiction.net/s/11556544/1/Infinity Infinity]]'', by [[http://www.fanfiction.net/u/2853477/casquis casquis]]
* Recommended by cannonfodder14
* ''Status'': Dead
* Crossover with the ''Franchise/MassEffect''
* ''Synopsis'': After the UNSC Spirit of Fire emerges from the Mass Relay on Pluto in 2557, the UNSC begins to explore the Mass Relay network and is attacked by Citadel forces. Peace negotiations break down and hostilities resume but outside forces soon make themselves known.[[labelnote:From FF.net]]"Space is infinite, but under the right conditions even a galaxy can feel too small."[[/labelnote]]
* ''Comments'': cannonfodder14: It should be noted that [[http://www.fanfiction.net/u/2853477/casquis casquis]]'s laptop was stolen and he lost a vast amount of the written story. He was thus forced to restart and he admits that the beginning is not of acceptable quality to him though. However while I am no Mass Effect fan, this story thus far is excellent in its pacing, world-building and action. He manages to seamlessly transition and combine the Halo universe with the Mass Effect universe in a very immersive manner. However due to life circumstance and a lack of motivation to continue to the story; he has mentioned to me that he may have to abandon the story. As such it is declared Dead until further notice.

''[[https://www.fanfiction.net/s/6850911/1/The-Spartan-Effect The Spartan Effect]]'' by [=Gatekeeper333=]
* Recommended by inferno1818, hunter 139, [=VoidWhisperers=]
* Crossover with: ''Franchise/{{Mass Effect}}''
* Status: Dormant (On Hiatus Since May 2019)
* Synopsis: Everyone's favorite Spartan is looking for a new purpose, lucky for him, the Commander his happy to oblige.
* Now has a TV Tropes Page: ''Fanfic/TheSpartanEffect''
* Comments: An excellent crossover between the Halo and Mass Effect universes and one of the best fanfictions I have ever read. This takes place during the events of Mass Effect 2 and the author does a very good job of integrating Master Chief and Cortana into the Normandy. All of the characters are true to the source materials with few liberties being taken. [=Gatekeeper333=] has also done a great job of making Shepard one of the best written Shepards I have read in a long time by making him very sarcastic with a lot of depth. The author also has a writing style somewhat similar to The Hitchhiker's Guide to the Galaxy in the non-action scenes and does a great job with the comedy. The action scenes are all very well written with the exception of the first couple chapters. With the exception of the first couple chapters, this fanfic is amazing in almost every way.
** Seconded: This is hands down the best “Master Chief and Cortana end up in Mass Effect” fic I’ve ever read. I daresay it’s even better than In the Shadow of Gods. The Master Chief’s characterization is on point, as is Cortana’s and the rest of the Normandy crew. There are some issues of course; the Terry Prachett writing style can be rather distracting at times, and personally, I think Master Chief is somewhat quieter than he really should be. But character interactions drive the heart of this story, and the Spartan Effect has enough differences to make up for it, including an excellent portrayal of [[spoiler: Cortana’s rampancy]] and most recently Master Chief’s loyalty mission where [[spoiler: the Normandy crew has to deal with a colony overrun with Flood that had stowed away on the Dawn]].
** Also seconded: An incredibly entertaining read, awesome, humorous, heartwarming, terrifying, dramatic and tearjerking in equal measure, with all characters getting their time to shine, even if the core ensemble of Chief, Cortana, Shepard and Miranda are the ones commonly taking center stage. The author's focus on character interaction and development makes it quite memorable, with everyone possessing a distinct personality and keeping the story arcs fresh. - [=VoidWhisperers=]
* Tags: M!Shepard, Action, Mass Effect 2*

''[[https://www.fanfiction.net/s/13748387/1/Spartans-Don-t-Play-Games Spartans Don't Play Games]]'' by [[https://www.fanfiction.net/u/4119195/You-will-not-find-me You will not find me]]
* Recommended by Tallens
* Crossover with ''Series/GameOfThrones''
* Status: Active
* Synopsis: The Tourney of Harrenhall was the greatest of its kind in Westeros. It was a grand show of the power of house Whent that drew the attention of all seven kingdoms. However, the Westerlands have arrived with strange new allies. Great warriors who bear the sigil of an eagle with arrows and lightning in its claws. Who are these new allies, and what do they mean for Westeros?
* Comments: Kurt Ambrose and his [=SPARTAN-IIIs=] wind up in Westeros. Hiding the true extent of their capabilities, they style themselves as "House Terra", under the sigil of an eagle, a banner under House Lannister. While they hide their true capabilities from the rest of the Seven Kingdoms (and Tywin Lannister), they do begin to effect the course of history, which the story follows as they make their moves. Already, the course of Westeros has been thrown off the rails, and for the most part done in a believable and entertaining way. The rumors and speculation surrounding them (since they don't allow anyone near their base) are fun to read, as is Tywin's thinking when he begins to realize House Terra is only under his control because they allow it.

''[[https://www.fanfiction.net/s/12377197/1/On-the-Illusion-of-Might On the Illusion of Might]]'' by [[https://www.fanfiction.net/u/4815698/evevee evevee]]''
* Recommended by Coalen 1942
* Crossover with ''Franchise/{{Mass Effect}}''
* Status: On-going
* Synopsis: We thought ourselves powerful, able to conquer a galaxy with nothing but toys. When we overcame every challenge, breached the space between the galaxies themselves, what use were the words of a race ashamed of their own past? Yet we cannot deny that we were warned, for while a challenge to a human is laughable, a challenge to humanity is a death sentence.
* Comments: Taking place after an alternate ending in Halo 5 Guardians, it follows the UNSC and allies contend with the Citadel,[[spoiler:now placed in extragalactic dwarf galaxy]]. What follows is a very slow, but invigorating story of politcs and realistic outcomes that can rival Game of Thrones and mayble even Dune.[[spoiler:There is also the fact the System Alliance exists a remant formed from insurrectionists and refugees led non-other by Admiral Cole in secret]].
* Now has a TV Tropes Page: Fanfic/OnTheIllusionOfMight

''[[https://www.fanfiction.net/s/13159911/1/For-Earth-and-All-Her-Colonies For Earth and All Her Colonies]]'' by ''[[https://www.fanfiction.net/u/10746004/GADPELLAEON GADPELLAEON]]''
* Recommended by: Coalen 1942
* Crossover with: ''Franchise/{{Mass Effect}}''
* Status: Temporary Hiatus; Oct 14, 2021
* Synopsis: Post Human-Covenant War AU. After the Great War, all the UNSC wants to do is rebuild and live in the peace. A peace that so many died for. What happens when they learn that no matter what, war will always find them.
* Commments: An okay story, but with memorable moments at certain parts. While there are many inaccuracies, it makes up for being awesome. [[spoiler:One of these moments is when the UNSC and their Allies attack the Citadel and capture the counselors]].

''HALO: Andromeda'' by [[https://www.fanfiction.net/u/2641449/UH-60-NIGHTSTALKER UH-60 NIGHTSTALKER]].

Part 1: [[https://www.fanfiction.net/s/8442710/1/HALO-The-Terran-Republic-Affair HALO: The Terran Republic Affair]].

Part 2: [[https://www.fanfiction.net/s/9053883/1/HALO-The-Andromeda-War HALO: The Andromeda War]]
* Reccomended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''Franchise/StarWars''
* Status: Completed for both
* Synopsis: When the Newly formed Terran Union and its allies make contact with the Galactic Republic, it sets off in motion events that would shake up a galaxy that is not so far away.
* Comments: The story is about the UEG post-Convenant War discover an entirely new galaxy. Renaming themselves as the Terrans to avoid [[OneSteveLimit confusions]] among [[HumanAliens the local human populations]], these more militaristic humans will [[ForWantOfANail changed]] the destiny of this foreign galaxy. Expect a lot of cultural exchange and InterspeciesRomance

''[[https://www.fanfiction.net/s/14001059/1/Fate-Grand-Order-Hero-of-the-future Fate Grand Order: Hero of the future]]'' by [[https://www.fanfiction.net/u/14815308/RobertQuasar RobertQuasar]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''VideoGame/FateGrandOrder''
* Status: Hiatus
* Synopsis: Master Chief had died and was remembered as the finest warrior humanity ever produced and would be remembered centuries after his death. However, he is called to the past to save humanity from total extinction. Shouldn't be too hard it's just another mission to save humanity.
* Comments: It is a good read, despite how dense the paragraphs are at times.

''[[https://www.fanfiction.net/s/14280636/1/Semper-Vigiles Semper Vigiles]]'' by [[https://www.fanfiction.net/u/7084266/Cypher1597 Cypher1597]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''VideoGame/Cyberpunk2077''
* Status:
** Original - Discontinued; Disappeared from the net.
** Remake - Ongoing
* Synopsis: Headhunter. Spartan. Killer. Cyrus was many things, but killer is the most accurate term. Now he stands in a city full of killers all vying to be top dog. Let those fools climb over one another to reach the apex. It won't matter because soon it will all come crashing down. All of it, for we are but motes of dust and echoes. From dust, we rise and to dust we go. Semper Vigiles.
* Comments: Now that the Headhunter lacks ONI to tell him what to do, he and his AI can do whatever they want. But their strong moral compass certainly won't let them stay quiet in the Night City.

''[[https://www.fanfiction.net/s/13742880/1/Were-it-So-Easy Were it So Easy]]'' by [[https://www.fanfiction.net/u/9834275/Sigma0327 Sigma0327]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''Franchise/{{Mass Effect}}''
* Status: Ongoing
* Synopsis: Six's life was a giant war. Every battle was a test of sheer tenacity and stubbornness against insurmountable odds. Every moment, every bullet fired, every Covenant, Insurrectionist, and Flood spore killed has led up to his last fight. Once again he was one of the few that stood between Earth and her enemies. This would be his final battle, and nothing could change that, right?
* Comments: Six is stranded in Mass Effect galaxy just a few days before [[VideoGame/MassEffect2 The Collector first strikes]].

''[[https://www.fanfiction.net/s/14147449/1/Star-Wars-Odyssey-of-the-Infinity Star Wars: Odyssey of the Infinity]]'' by [[https://www.fanfiction.net/u/13725651/IX404 IX404]]
* Recommended by: [=VictorioMWolff-Haddock=], [=Vinnymoneyho=]
* Crossover With: ''Franchise/StarWars''
* Status: Ongoing
* Synopsis: During a routine safety test, the Slipstream Space Drive of the Infinity malfunctions, catapulting them into unknown space. Little do Lasky and the members of the Infinity know that they will soon change the fate of a faraway galaxy.
* Comment: set between Film/RogueOne and Film/ANewHope. While Admiral Gorin's anger put the Infinity squarely against The Empire, Lasky chooses to NOT join forces with The Rebellion as well for being concerningly too "Junta". Instead, Jyn and most of Rogue-One end up joining UNSC.
** No longer recommending this. The writing is repetitive and droning on, adding unnecessary conflict between UNSC & ONI and even an additional Stargate-esque 3rd faction.
** Going to disagree on the previous statement. It's an alright fic that has gotten a bit more into shape. I do find it odd adding in BattleStar Galactic but it's not terribly written. That and it does remind us that there are two whole galaxies where things are taking place.

''[[https://www.fanfiction.net/s/14065894/1/Eternity-Into-The-Void Eternity Into The Void]]'' by [[https://www.fanfiction.net/u/15252436/ProfessorZooms ProfessorZooms]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Status: Discontinued.
* Crossover With: ''Literature/TheFamiliarOfZero''
* Synopsis: The Reclamation has begun and the Eternity on the run. After fleeing the Orion Arm into the safety of slipspace, the UNSC Eternity ends up marooned on a primitive feudal world.
* Comments: In this story, the main character, Saito, is a technician at ''Eternity'', so when Louise tries her summon ritual, the entire supercarrier ends up appearing in Tristain's sky. Read as Tristain and UNSC culture clashes from the latter claiming to have abolished their world's nobility and giving [[GivingRadioToTheRomans life improvements]] to the commoners.

''[[https://www.fanfiction.net/s/14205700/1/Demons-of-the-Holy-Grail Demons of the Holy Grail]]'' by [[https://www.fanfiction.net/u/15751505/jabinker jabinker]]

* Status: One-shot.
* Crossover With: ''Literature/FateZero''
* Synopsis: Deep in the multiverse in the world of the Fate series many characters are summoned, some amazing and good, others terrifying and destructive. This one only hungers to expand.
* Comment: In this war, Kariya's Servant is The Gravemind, and nobody wins.
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''[[https://www.fanfiction.net/s/11969157/1/Dead-Or-Alive-Finishing-The-Fight Dead Or Alive:Finishing The Fight]]'' by [[https://www.fanfiction.net/u/7894780/Who-Let-This-Guy-On Who Let This Guy On]]
* Recommended by: [=VictorioMWolff-Haddock=]

* Crossover With: ''VideoGame/DeadOrAlive''
* Synopsis: When the Forward Unto Dawn crash lands 500 years in the past on Earth, it sets the stage for untold repercussions for the whole of humanity. When the super soldier finds himself as a potential entree into the year's DOA tournament however it sets the stage for Victor Donovan and the rest of the DoA World to finally see what a "Perfect Weapon" is capable of.
* Comments: Very engaging, with Master Chief shaking the setting by being a pragmatic superhuman soldier, including taking [[spoiler:false Kasumi]] under his wings before [[spoiler:she]] can be deployed.

''[[https://www.fanfiction.net/s/14197239/1/The-Sins-of-our-Fathers The Sins of our Fathers]]'' by [[https://www.fanfiction.net/u/12439994/MarkerMagnum MarkerMagnum]]
* Recommended by: [=VictorioMWolff-Haddock=], Red-Dead-Redeemer
* Status: Ongoing
* Crossover With: ''VideoGame/MassEffect''
* Synopsis: Unknown to the Citadel Council, the Human-Covenant war nears its vicious end. Miranda Keyes is seconds too slow. Delta Halo fires, leaving UNSC space as a lifeless snapshot in time. The Citadel must mourn the loss of a civilization they never knew.
* Comments: a unique Halo X Mass Effect fanfic where Earth has become barren and most of the UEG characters are the [=AIs=].

''[[https://www.fanfiction.net/s/13708422/1/Wrong-Place-Right-Time-A-Hero-s-Story Wrong Place, Right Time: A Hero's Story]]'' by [[https://www.fanfiction.net/u/14279968/DLTA-BOT DLTA-BOT]]
* Recommended by TheShattered0513
* Crossover with: ''{{VideoGame/Fallout4}}''
* ''Status'': Ongoing
* Synopsis: A hero's journey doesn't always start where they expect. It doesn't always happen to those who expect it. Damon was never interested in being what Spartans represented: an implacable force for good standing as humanity's shield. Like most other third-generation Spartans, the war took everything from him. All he wanted was to return the favor. Sometimes we don't get a choice.
* Comments: It's a pretty good rewrite of the main campaign, especially in regard to the Institute and Railroad. The SPARTAN-III OC and Nate both get a good dose of character development over the course of the story. Action scenes are rather diverse, showing just how smart (and dangerous) a SPARTAN can be.

''[[https://www.fanfiction.net/s/14249249/1/Noble-Intent Noble Intent]]'' by [[https://www.fanfiction.net/u/11881221/In-BRRRRRRT-We-Trust In BRRRRRRT We Trust]]

* Crossover with: ''Literature/TheRisingOfTheShieldHero''

* Synopsis: Without warning, her world went dark, but that's not where her story ends. When Catherine - B320 wakes up in a small room surrounded by others wielding legendary weapons, she quickly realizes what she's in for and now has to adapt to a different kind of hell. Will she fall just as she did on Reach? Or will she bring about a change solidifying her status as a demon?
* Comment: This fic does something most fanfics haven't done before - adding Rapthalia to the party ''without giving her Slave Crest''. Not to mention that not only Kat can use guns, but Ren & Itsuki are also on the Spartan's side thanks to the recording on her helmet.

''Fanfic/UnitedWeStand'' by [[https://forums.spacebattles.com/members/mayto.309126/ Mayto]]
* Recommended by: Red-Dead-Redeemer
* Crossover with: ''VideoGame/MassEffect''
* Status: Dormant; last updated June 5, 2021
* Synopsis: Starting off at the height of the Human-Covenant War during the battle of New Ghent: just as the local UNSC forces are losing to the Covenant, drop pods of unknown origin appear. These troops soon reveal themselves to be aliens, but not of Covenant races, and even more surprising to the combatants, begin fighting the Covenant to assist the humans.\\
The Citadel intervenes in the Human-Covenant War.
* Comment: A crossover that isn't just yet another First Contact War, "Humanity Fuck Yeah!", roflstomp.
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''[[https://www.fanfiction.net/s/13287710/1/The-Mantle-of-Remnant The Mantle of Remnant]]'' by [[https://www.fanfiction.net/u/4548359/KtyouVsWriting KtyouVsWriting]]

* Crossover with: ''WebAnimation/{{RWBY}}''

* Synopsis: The Master Chief has saved Humanity at the cost of Cortana, one of his few remaining friends. More than he will admit, John relied on her and cared for her. To no longer have her means to lose another part of his humanity. Still, the universe keeps going and once again, he is called to serve and protect Mankind. Now he has a choice: does he brave Remnant alone or does he embrace help?
* Comments: Without Cortana, Master Chief relies on his Spartan training, and ended up forming team RWBY under his leadership. Be warned, there is AdaptationalAngstUpgrade here.

''[[https://www.fanfiction.net/s/14004793/1/Still-in-the-fight Still in the fight]]'' by [[https://www.fanfiction.net/u/15224502/Scepter-2-1-actual Scepter 2-1 actual]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''WesternAnimation/TransformersPrime''
* Status: Hiatus
* Synopsis: Team Prime battles to defend Earth from the Decepticons with the help of their human allies. Then one day, a mysterious ship shows up, straight out of another war, carrying one of its most hardened veterans with one of his closest friends. A man known to the enemy as a Demon.
* Comments: While Six hasn't been involved with the canon much (at the time of this writing), things really go full throttle when he does.

''[[https://www.fanfiction.net/s/11476657/1/Heart-of-Steel Hearts of Steel]]'' by [=Butcher-Bird190=]
* Recommended by: MurakumoFF, eagle108
* Crossover with: ''VideoGame/KanColle''
* ''Status:'' Dormant (last updated August 2017)
* ''Synopsis:'' Yamato, pride of the imperial fleet, finds herself in a reality where humanity is struggling for survival against enemies from the stars rather than from the deep. What impact will she have in the UNCS's involvement with Requiem?

''[[https://forums.spacebattles.com/threads/greenhorn-a-halo-x-kancolle-story.367758/ Greenhorn]]'' by acceptmyusername; [[https://www.fanfiction.net/s/11615559/1/Greenhorn Fanfiction.net]] link
* Recommended by: eagle108
* Crossover with: ''VideoGame/KanColle''
* ''Status:'' Original fic dormant (last updated April 2017), [[https://www.fanfiction.net/s/13089202/1/Greenhorn-V2 V2 in progress]]
* ''Synopsis:'' The Abyssals. Well, they came from the ultimate abyss, the void of space. What else would we have called them? They were the Covenant all over again, unstoppable, burning planets in their path. All fell before them. There was no hope. Until one day, they came. "UNSC FFG-201 Forward Unto Dawn, reporting for action." Let's hope we can train them all.
* ''Comments:'' More of a FusionFic than an actual {{Crossover}}, as it doesn't follow the more common crossover scenario of "Kancolle characters interacting with Halo characters", and the game itself is mentioned as a reference. That aside, acceptmyusername certainly captures the feel of the Halo-verse with many characters that would eventually come to work with what could easily be the Halo franchise's own ship girls, each unique and with their own individuality that could almost fit in with ''Kancolle''.

''[[https://www.fanfiction.net/s/11782965/1/For-Earth-And-Her-Colonies For Earth and Her Colonies]]'' by [=HistoryAnonymous=]; [[https://forums.spacebattles.com/threads/for-earth-and-her-colonies-kc-halo.372292/ SpaceBattles thread]]; [[Fanfic/ForEarthAndHerColonies TV Tropes page]]
* Recommended by: eagle108
* Crossover with: ''VideoGame/KanColle''
* ''Status:'' Complete
* ''Synopsis:'' It has been five long years since the Abyssals appeared, and the war is far from over. Even with the spirits of past ships summoned to help, humanity faces a long and hard fight to rid their oceans of the Abyssal threat. But one mysterious girl might help turn the tide. Just, what on earth does "UNSC" mean?
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''[[https://www.fanfiction.net/s/14098622/1/Halo-Gundam Halo Gundam]]'' by [[https://www.fanfiction.net/u/7339398/6-4-pilot 6-4 pilot]]

* Crossover with: ''Anime/MobileSuitGundam'' [[spoiler:& ''WesternAnimation/TheOwlHouse'']]

* Synopsis: Stuck in the Universal Century during the One Year War, Master Chief and his companions help the White Base Crew survive while also trying to find a way back to Zeta Halo. In the meantime, a group of battle-hardened Banished troops does what their organization does best. Take advantage of conflicts and various organizations for their own benefit.
* Comments: Master Chief, The Weapon & The Pilot are stranded in Universal Century's galaxy & joining forces with ''White Base''. However, The Banished are also stranded here chasing the trio...

''[[https://www.fanfiction.net/s/13650522/1/The-Guiding-Fire The Guiding Fire]]'' by [[https://www.fanfiction.net/u/6749525/UNSC-indomitable UNSC indomitable]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''VideoGame/AzurLane''
* Status: Ongoing
* Synopsis: A Commander stripped of authority. The world is divided and falling. Last fading light. Hope lies in Spirit and might. As those with the fire lay dying. All must stand fast in the face of howling night.
* Comments: A bit of a slow burn before we get to the "first encounter", but the conflict build-up is worth it.

''[[https://www.fanfiction.net/s/13754737/1/The-Reclaimer-of-Mandalore The Reclaimer of Mandalore]]'' by [[https://www.fanfiction.net/u/6749525/UNSC-indomitable UNSC indomitable]]

* Crossover with: ''Franchise/StarWars''
* Status: Ongoing
* Synopsis: Having been awoken by his faithful companion. The Master Chief and Cortana find themselves in an unknown galaxy. Knowing the only way to survive is to remain under the radar. But in a galaxy gripped by war, such a thing was never going to be easy. As the Chief try's to up hold the status quo in the ever changing world of Mandalore, as the galaxy slowly torn apart around them.
* Comments: To make this fic feel more authentic, the author actually uses Mando'a words all over the fic.

''[[https://www.fanfiction.net/s/14280831/1/Zero-Trust Zero Trust]]'' by [[https://www.fanfiction.net/u/6517270/Roach99 Roach99]]

* Crossover with: ''Franchise/{{Cyberpunk}}''

* Synopsis: After unfortunate circumstances, a stranger finds himself in a familiar but stranger land. Though lost and cut off, this is not the end. Rather, a possible new beginning. A place of sights and circumstance- the conclusion of one phase of life and the beginning of another. A new life to be found, and another conflict to wage.
* Comments: A Spartan is stranded in Night City and become a Solo to survive.

''Boku No Halo Academia'' by [[https://www.fanfiction.net/u/12937241/Iowaman24 Iowaman24]] ([[https://forums.spacebattles.com/threads/boku-no-halo-academia-rising-conflict-halo-mha-au-crossover.1080930/ Spacebattles Link]])

* Crossover with: ''Manga/MyHeroAcademia''
* Status:
** [[https://www.fanfiction.net/s/13764802/1/Boku-No-Halo-Academia-Rising-Conflict Rising Conflict]] - Completed
** [[https://www.fanfiction.net/s/14190908/1/Boku-No-Halo-Academia-Rising-Conflict-Definitive-Edition Rising Conflict Remake]] - Complete
** [[https://www.fanfiction.net/s/14261758/1/Boku-No-Halo-Academia-For-Want-of-a-Mustard-Seed For Want of a Mustard Seed]] - Ongoing
* Synopsis:
** ''Rising Conflict'': Just coming from a desperate battle on another world, Aurdel is hard-pressed to find himself on an alternate Earth where superpowers are completely commonplace. While for now stuck in a battle against Villains and the critics of his methods, he must prepare himself and others for a conflict on the horizon that just may bring about a fiery and devastating end to the world.
** ''For Want of a Mustard Seed'': Eleven years have passed since the apocalyptic collapse at the end of the Third World War, and under Aurdel Ganowicz's oversight much of Japan has been rebuilt. However many are still unhappy with the way things are, and as a result the League of Villains has returned. But without an ideology, and under a seemingly revived former member, they are hellbent on destroying everything.
* Comments: A Spartan becoming a teacher in U.A. Oh, and his presence slowly leads to ''yet'' another World War.

''[[https://www.fanfiction.net/s/12814142/1/GATE-Of-Dragons-and-a-Spirit-of-Fire GATE: Of Dragons and a Spirit of Fire]]'' by [[https://www.fanfiction.net/u/10271187/Pkd Pkd]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''Literature/{{Gate}}''
* Status: dead; last updated in May 29th, 2022
* Synopsis: Few years after the events of Halo Wars, the UNSC Spirit of Fire finds themselves above the orbit of a unknown world without any clue to where they are and what brought them here. Faced with a new obstacle the crew of the Spirit of Fire descends upon the world where they meet new allies and enemies, along with an relic of the past, as they try to find a way back home.
* Comment: One of the more enjoyable part is to see how the 21st Century earth reacting to what its 26th counterpart has in store, military-wise & media-wise.
----
''[[https://www.fanfiction.net/s/13483370/12/Final-Frontier Final Frontier]]'' by [[https://www.fanfiction.net/u/9540816/Cipher32 Cipher32]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''VideoGame/AzurLane''

* Synopsis: UNSC Enterprise is stranded in Azur Lane's world as a shipgirl, and decides to destroy the Sirens and tries to make the factions unite under one banner like the UEG.
* Comments: The main drama is about the Sakura Empire-aligned Commander begs to her Eagle Union counterpart for help in toppling down her Siren-corrupted government, and the mysterious link between UNSC Enterprise and her Yorktown-Class doppelganger. there's also a lesson of historical comparison between the two worlds.

''[[https://www.fanfiction.net/s/14127293/1/Halo-The-Garden-World Halo:The Garden World]]'' by [[https://www.fanfiction.net/u/5666142/UNSC-Know-Your-Place UNSC Know Your Place]]

* Crossover with: ''Literature/{{Gate}}''

* Synopsis: The Spirit of Fire crew thought that after their mission on the Shield World will be their last and they will forever drift into the void. However, Fate has a different plan. Thrust into an unfamiliar land. How much will they affect the future of its inhabitants? Will they ever get back home?
* Comments: Spirit Of Fire's crew already changing the plot by saving Myui's father, the king of Italica.

''[[https://www.fanfiction.net/s/13807341/1/HALO-Dead-Man-of-the-Moon HALO: Dead Man of the Moon]]'' by [[https://www.fanfiction.net/u/2641449/UH-60-NIGHTSTALKER UH-60 NIGHTSTALKER]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''Franchise/SailorMoon''
* Status: Ongoing
* Synopsis: When a new yet familiar Enemy threatens Neo-Queen Serenity and her court/friends, an unlikely ally appears and just happens to have a UNSC Warship at his command. But can Serenity's Senshi trust this new armored-clad stranger?
* Comments: An original Gen.III Spartan, his AI and a few Engineers arrived on an alternate Earth post-Black Moon Clan invasion, only to find that there are some of them remains, seeking vengeance...

''[[https://www.fanfiction.net/s/13016818/1/Sins-Of-A-Galactic-Empire-Reborn Sins Of A Galactic Empire Reborn]]'' by [[https://www.fanfiction.net/u/7069964/zzzxxc1 zzzxxc1]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''Franchise/StarWars''

* Synopsis: When the Milky Way is revealed to the universe at large by a derelict CIS warship, the UEG are forced to become members of the transgalactic community, but its existence is soon threatened by the decline of the Republic, and the rise of an Empire.
* Comments: Republic underestimates UNSC due to still using "Slug Thrower" as their main arsenal, but they managed to prove them wrong. Also, there's Master Chief versus ''two'' Jedi Masters.

''[[https://www.fanfiction.net/s/14215928/1/Shadows-of-the-Lostbelts Shadows of the Lostbelts]]'' by [[https://www.fanfiction.net/u/15751505/jabinker jabinker]]

* Crossover with: ''VideoGame/FateGrandOrder''
* Status: Ongoing
* Synopsis: No longer are they contained in one place, no longer are they just menace to humanity for now everyone shall shudder in fear as the shadows from the past, a monument to all of their sins come forth to take them.
* Comments: Sequel to ''Demons of the Holy Grail''. Could've used better spacing.

''[[https://archiveofourown.org/works/49665568/chapters/125354683 My Hero Academia: Quirks Evolved]]'' by [[https://archiveofourown.org/users/The_Spartan_Sangheili/pseuds/The_Spartan_Sangheili The_Spartan_Sangheili]]
* Recommended by: [=VictorioMWolff-Haddock=]
* Crossover with: ''Manga/MyHeroAcademia''
* Status: Ongoing
* Synopsis: In a distant future, humanity develops starships and reaches for the stars only to encounter a foe that threatens its entire existence. In another not-so-distant future humanity develops extraordinary abilities called quirks, and remains on Earth in a superhuman society. What happens when these two worlds collide? This is the story of a Spartan, A Hero and their respective AI companions.
* Comments: Ochako watched as she saw her best friend, Izuku Midoriya, was zapped by lightning when they were a kid, but the electricity reacted to dormant Quirk, turning him into an AI. A few years later, Master Chief, Cortana & The Arbiter arrived at this reality when ''Forward Unto Dawn'' crashlanded from a slip space mishap.

''[[https://www.fanfiction.net/s/14155750/1/The-Spartan-s-Wrath The Spartan's Wrath]]'' by [[https://www.fanfiction.net/u/4259670/SpartanPrime101 SpartanPrime101]]

* Crossover with: ''Franchise/JusticeLeagueOfAmerica''

* Synopsis: I have been called many things since I first arrived in this universe. The locals call me a hero. That boy scout, Superman, calls me a mindless killer. The Amazon…a necessary evil. Gotham's Batman…a murderer. I'm all that and much more…I'm a Spartan.
* Comments: There is something satisfying about "supervillains" losing their JokerImmunity and being treated as 'regular' criminals or terrorists by being investigated, thwarted, and apprehended by various antiterrorism and policing agencies working together.
[[/folder]]


[[folder:Shipping Fics]]

''Stories focused on the romantic relationships between the cast.''

''[[http://www.fanfiction.net/s/6535664/1/Memories Memories]]'' by ''Trivun''
* Recommended by Crispy Mongoose

* ''Synopsis'': Starting with the immediate aftermath of ''Ghosts of Onyx'' (published canon work) the story focuses on Tom and Lucy, two [=SPARTAN-IIIs=] who find themselves the unlikely leaders of the group trapped in the Onyx Dyson Sphere. In an attempt to help Lucy deal with her trauma-induced muteness, Tom recalls a past operation on the long since glassed world of Meridian, only for Doctor Halsey to realise that there was more to the operation than meets the eye. Going back to Meridian's destruction and Operation SOOTHSAYER, we see just how far the Forerunner's knowledge of humanity went, and the first combat-enabled smart AI finds herself in a situation more desperate than either she or Halsey could have ever foretold...
* ''Pairings'': Het, Tom/Lucy. Truth be told it's more of a friendship thing, though there are some serious hints that their relationship could be considered more of a romantic one...
* ''Comments'': Not the best written piece, but still pretty damn decent compared to most stuff on the same topic. SturgeonsLaw, eh? A decent story with plenty of knowledge of the canon, in fact it seems almost as if the writer is trying pretty hard to keep as close to the canon as possible, and the result is a fan fic that is probably worth your time. Just need to watch out for the occasionally uninspired and awkward prose, and the writer doesn't seem to be able to write combat quite as well as he writes the buildup and the underlying conspiracy type subplot.

''[[https://www.fanfiction.net/s/9744685/1/The-Way-By-Moonlight The Way By Moonlight]]'' by ''[=ChuckMeMondays=]''
* Recommended by Tropers/TheWildWestPyro
* ''Status'': Complete
* ''Synopsis'': "The dream recurs, and each time, there's nothing he can do to stop it. Again and again and again and again. Every time he closes his eyes, all night long. Over and over. It's all he thinks about. Almost like he's the one going rampant." AU
* ''Pairings'': John/Cortana
* ''Comments'': A simple but heartwarming and very well done fic. John and Cortana are kept in-character the whole time and none of them deviate from their characters. And rather than having John get increasingly emotional, the author has him slowly open up around Cortana instead, something that other fics seem to lack. There's no slow buildup over time, either-the author gives brief snippets as both experience love for the first time and skips straight to the fluffy bits.

[[/folder]]


[[folder:Shipping Fics]]

''Stories focused on the romantic relationships between the cast.''

* Comments: Out of paranoia, The Empire engages in war against UEG. big mistake.

* Status: Dead.

''HALO: Andromeda'' series by [[https://www.fanfiction.net/u/2641449/UH-60-NIGHTSTALKER UH-60 NIGHTSTALKER]].

[[/folder]]


[[folder:Shipping Fics]]

''Stories focused on the romantic relationships between the cast.''

* Status: One-shot, with a sequel called [[https://www.fanfiction.net/s/14215928/1/Shadows-of-the-Lostbelts Shadows of the Lostbelts]]

[[/folder]]


[[folder:Shipping Fics]]

''Stories focused on the romantic relationships between the cast.''

** Sequel - [[https://www.fanfiction.net/s/14261758/1/Boku-No-Halo-Academia-For-Want-of-a-Mustard-Seed For Want of a Mustard Seed]] - Ongoing

** Sequel - ''[[https://www.fanfiction.net/s/14261758/1/Boku-No-Halo-Academia-For-Want-of-a-Mustard-Seed Boku No Halo Academia: For Want of a Mustard Seed]]'' - Ongoing

* Status: Ongoing

''Boku No Halo Academia: Rising Conflict'' by [[https://www.fanfiction.net/u/12937241/Iowaman24 Iowaman24]] ([[https://forums.spacebattles.com/threads/boku-no-halo-academia-rising-conflict-halo-mha-au-crossover.1080930/ Spacebattles Link]])

** [[https://www.fanfiction.net/s/13764802/1/Boku-No-Halo-Academia-Rising-Conflict Original]] - Completed
** [[https://www.fanfiction.net/s/14190908/1/Boku-No-Halo-Academia-Rising-Conflict-Definitive-Edition Remake/Definitive Edition]] - Complete

** Rising Conflict: Just coming from a desperate battle on another world, Aurdel is hard-pressed to find himself on an alternate Earth where superpowers are completely commonplace. While for now stuck in a battle against Villains and the critics of his methods, he must prepare himself and others for a conflict on the horizon that just may bring about a fiery and devastating end to the world.
** For Want of a Mustard Seed: Eleven years have passed since the apocalyptic collapse at the end of the Third World War, and under Aurdel Ganowicz's oversight much of Japan has been rebuilt. However many are still unhappy with the way things are, and as a result the League of Villains has returned. But without an ideology, and under a seemingly revived former member, they are hellbent on destroying everything.

[[http://www.fanfiction.net/s/3678670/1/Chains_of_the_Kindred Chains of the Kindred]]'' by Solvdrage

''[[https://www.fanfiction.net/s/13774035/58/Semper-Vigiles Semper Vigiles]]'' by [[https://www.fanfiction.net/u/7084266/Cypher1597 Cypher1597]]

* Synopsis: Headhunter, a program propagated by the Office of Naval Intelligence. After a final act of defiance against the Covenant, a Headhunter must find his place in a city ruled by corporate greed, bloodthirsty mercenaries, and roaming bands of vicious scavengers. It is the perfect hunting ground for one of ONI's most accomplished killers. Semper Vigiles - Always Vigilant.
* Comments: A Headhunter finds himself crashlanded near Night City and gets hauled by Arasaka, before managing to escape when V and Jackie infiltrate the tower. Read how Cyrus and his AI, Chamber, eliminates the parts that corrupts the city, criminals and corporates alike, one hunt at a time.

''[[https://www.fanfiction.net/s/13708422/1/Wrong-Place-Right-Time-A-Hero-s-Story Wrong Place, Right Time: A Hero's Story]]'' by DLTA-BOT

* Comments: An original Gen.III Spartan, his AI and a few Engineers arrived on post-Black Moon Clan invasion's Earth, only to find that there are some of them remains, seeking vengeance...

''[[https://www.fanfiction.net/s/13754737/1/The-Reclaimer-of-Mandalore The Reclaimer of Mandalore]] by [[https://www.fanfiction.net/u/6749525/UNSC-indomitable UNSC indomitable]]

[[/folder]]


[[folder:Shipping Fics]]

''Stories focused on the romantic relationships between the cast.''

[[/folder]]


[[folder:Shipping Fics]]

''Stories focused on the romantic relationships between the cast.''

''[[http://www.fanfiction.net/s/6535664/1/Memories Memories]]'' by ''Trivun''
* Recommended by Crispy Mongoose
* ''Status'': Complete
* ''Synopsis'': Starting with the immediate aftermath of ''Ghosts of Onyx'' (published canon work) the story focuses on Tom and Lucy, two [=SPARTAN-IIIs=] who find themselves the unlikely leaders of the group trapped in the Onyx Dyson Sphere. In an attempt to help Lucy deal with her trauma-induced muteness, Tom recalls a past operation on the long since glassed world of Meridian, only for Doctor Halsey to realise that there was more to the operation than meets the eye. Going back to Meridian's destruction and Operation SOOTHSAYER, we see just how far the Forerunner's knowledge of humanity went, and the first combat-enabled smart AI finds herself in a situation more desperate than either she or Halsey could have ever foretold...
* ''Pairings'': Het, Tom/Lucy. Truth be told it's more of a friendship thing, though there are some serious hints that their relationship could be considered more of a romantic one...
* ''Comments'': Not the best written piece, but still pretty damn decent compared to most stuff on the same topic. SturgeonsLaw, eh? A decent story with plenty of knowledge of the canon, in fact it seems almost as if the writer is trying pretty hard to keep as close to the canon as possible, and the result is a fan fic that is probably worth your time. Just need to watch out for the occasionally uninspired and awkward prose, and the writer doesn't seem to be able to write combat quite as well as he writes the buildup and the underlying conspiracy type subplot.

''[[https://www.fanfiction.net/s/9744685/1/The-Way-By-Moonlight The Way By Moonlight]]'' by ''[=ChuckMeMondays=]''
* Recommended by Tropers/TheWildWestPyro
* ''Status'': Complete
* ''Synopsis'': "The dream recurs, and each time, there's nothing he can do to stop it. Again and again and again and again. Every time he closes his eyes, all night long. Over and over. It's all he thinks about. Almost like he's the one going rampant." AU
* ''Pairings'': John/Cortana
* ''Comments'': A simple but heartwarming and very well done fic. John and Cortana are kept in-character the whole time and none of them deviate from their characters. And rather than having John get increasingly emotional, the author has him slowly open up around Cortana instead, something that other fics seem to lack. There's no slow buildup over time, either-the author gives brief snippets as both experience love for the first time and skips straight to the fluffy bits.