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Adaptation Expansion / Fan Works

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Adaptation Expansion in Fan Works.


The following have their own pages:


Aaahh!!! Real Monsters

  • The Games Tent expands upon the Aaahh!!! Real Monsters episode "The Monster who Came In from the Cold", detailing more about Oblina's time undercover as a human as well as the aftermath.

Ace Combat

  • bluebellwren's Ace Combat fanfictions
    • In Three Strikes
      • Characters known only by their TAC names or callsigns in-game (Knocker, Tabloid, Long Caster) are given names (Turner, Peter Hartmann, Graham Lawson).
      • Chapters devoted to missions are interspersed among chapters depicting events in between those missions, such as the time in between Operations Full House and Siren's Song.
      • Multiple viewpoints are used, expanding on those characters' thoughts and emotions and thus providing a larger picture of the events of the Lighthouse War.
      • The Dalsen twins' roles are expanded from what little screentime they had in the game, showing how they got roped into a conspiracy to kill Trigger by some corrupt Osean officers, as well as giving more insight into their personalities and the bond they have with each other.
    • In The Demon's Song, the RIOs that are optional to have depending on the aircraft chosen in the game are now full-fledged characters in this story. They are Clown for Blaze, Dogma for Edge, Alto for Chopper, and Arrow for Archer.

Amphibia

  • In Living in a Frog World, the store from which Anne and her friends stole the music box is given more of a background as a place owned by one of Anne's former friends, Frank Ramirez. This adds even more drama to the crime, as Anne is so cowed by Sasha's manipulation, that she has no issue stealing from one of her old friends.
  • A Moth to a Flame: There is a section in Chapter 11 devoted to Anne's parents, particularly her mother when they found out about their daughter's disappearance along with the subsequent weeks of them coping with her missing.

Avatar: The Last Airbender

  • Much of The Stalking Zuko Series takes place between Avatar: The Last Airbender episodes, filling in many of the gaps as it develops Zuko and Katara's relationship, among various other plotlines. Much of Not Stalking Zuko, the second and longest installment in the trilogy, takes place between "The Southern Raiders" and "The Ember Island Players", showing the Gaang squatting in Zuko's family's abandoned vacation home while training and waiting for Sozin's Comet to pass. Canon scenes also get expanded on, as before Zuko's Agni Kai with Azula, he and Katara go to put Appa in a safe place, and after Zuko gets struck by lightning, Katara has more difficulty saving his life, resulting in her giving him an Anguished Declaration of Love.

Bleach

  • Force of Souls explains how a soul's destination in Soul Society is determined. The better their karma, the closer they are placed to the Seireitei, and thus the more peaceful and prosperous the district.
  • Vow of the King: The powers of Unohana's Bankai, Minazuki, are properly explained. The former Kenpachi can use the blood summoned by Minazuki to regenerate instantaneously from any injury, even from severe maiming or decapitation (provided that she does so quickly). She does state that its healing abilities aren't infinite, but her supply of blood is derived from all the enemies she's slain over her considerable lifetime.
    Ichigo: And how many enemies have you slain?
    Yachiru: (shrugs) How many breaths have you taken?

BloodRayne

  • BloodRayne: Chronicles of Blood: The Antibellum Thirties serves as this for the first game, filling in such things as what happened in the five-year Time Skip between the game's Louisiana and Argentina chapters.

Calvin and Hobbes

Code Geass

Crossovers

  • Amazing Fantasy:
    • The story establishes that like every major city, Musutafu isn't all sunshine and roses. Burakumin, an ostracized class of people known for doing dirty jobs in Japan, still exist. They live in the filthy, smog-filled neighborhood of Mob Eisteiku, where they handle jobs like butchering and ore processing away from the shiny streets near U.A. This is also where Izuku goes to acquire the materials he needs to develop his own web-fluid, as buying it anywhere else is too expensive for him.
    • Mitsuki's Parental Neglect is chalked up to how busy she is at work as she wanted her family to escape the Burakumin stigma she was born into. She's shown to have little understanding of her son's social life and still refers to Izuku as "Izu-kun" under the mistaken belief that he and Katsuki were still close. She's also genuinely regretful when she learns the truth and pleads with Izuku not to give up on him.
  • Child of the Storm: In addition to adding in many new characters from multiple sources, it also has different interpretations of some of the characters and gives them more backstory.
  • Code Geass: Paladins of Voltron:
    • Since the story is focused on the Ashford Student Council (except for Nina), Shirley, Rivalz, Milly, and Rai get a hefty dose of this.
    • Some Assembly Required has an extra scene added where Lelouch and Coran play a chess game after C.C. points out that they'll also need to test the Paladins' ability to think strategically. Lelouch trounces him, but both find the game enjoyable, and it's clear Lelouch regards Coran as a Worthy Opponent.
    • Return of the Gladiator features a scene on Earth that was not present in the original, revealing that the team's absence has been noted.
    • Chapter 11 is the biggest example so far, as it is a completely original scene where Lelouch reveals the truth about himself and C.C. The only part of the chapter from either of the source materials is the launching of The Castle Of Lions.
    • The end of Crystal Venom has scenes from Earth, starting with Jeremiah and Villetta storming the Ashford Student Council Room in search of Lelouch and Nunnally, only to meet with Nonette and find that their records have been erased. It ends with Sayoko and Nunnally at a safe house overlooking the ocean, with Nunnally worried for her brother, while Sayoko looks over something Lelouch asked her to bring with her.
  • The Code Mars Trilogy Fusion Fic also expands on some minor Code Geass characters, notably Taizo Kitihara.
  • Danny Phantom Vs American Dragon Jake Long: The Novelization is a crossover fanfic of Danny Phantom and American Dragon: Jake Long based on the DEATH BATTLE! episode that pit the two against each other that explains what Danny was doing in New York City and why he and Jake seemed willing to kill each other.
  • In The dark never consumes all, for the light remains within its core, There are more miraculous that make up the tibetan miraculous, dubbed the dark miraculous. These miraculous include the scorpion miraculous of infection and disease, the wolf miraculous of loneliness and hunting, the leviathan miraculous of gravity (capable of manipulating the gravity of a given area), the spider miraculous of memories (capable of viewing other people’s memories), the marionette miraculous of manipulation (capable of taking control of a victim’s body through a puppet lookalike) and the miraculous of truth (capable of forcing someone to tell the truth whilst the user is still active). These miraculous had been in Garmadon’s care since he stole them from the guardian temple before the fall. Plus, the first ladybug and black cat users are Lady Irene and Shad the destroyer respectively.
  • The Disney Chronicles does this instead of doing the films straightforwardly like other similar adventure series have usually done before it.
    • In Snow White and the Seven Dwarfs, one of the chapters featured the deleted song Music in Your Soup, and Prince Florian had a bit more focus than he did in the original film in another chapter.
    • In Fantasia, the ponies and Spike had to locate the players' sheet music in each of the original film's segments.
  • Fairy Without Wings is working on covering a lot of ground during the absence of Fairy Tail following the events of Tenrou Island. Rather than skipping ahead 7 years, the writer has given Kagura Mikazuchi a full-out backstory and has even dedicated time to fleshing out Sabertooth and showcases the Grand Magic Games of how they got so popular in the first place. Granted, since this is a crossover, things have changed Such as Sabertooth being under the command of Suzaku Kururugi after he arrests Jiemma. And on a lesser note, the very premise of the fic was designed to show points in the mage world of Earthland that should come with the territory of such a world, but that Mashima flat out ignores or only barely hints at existing. These are things that Lelouch would normally be seen doing on a regular basis.
  • Fallout Girls, a crossover between My Little Pony: Equestria Girls and Fallout 3, greatly expands on settlements like Rivet City, and delves deep into the inner workings of the Enclave from both a military and civilian perspective.
  • Infinity Train: Blossoming Trail, an Infinity Train and Pokémon: The Series crossover fic, spends a lot of time expanding on certain aspects of the former:
    • More time is spent elaborating on the nature of some cars. For example, the canon "Corgi Car" is only briefly explored in the show by Tulip, as more focus is placed on the "Shadow Monster." Here, Chloe spends the night as an honoured guest, visits a garden, attends a feast, sleeps in a large temple that is Atticus's home, and even washes at a communal bathhouse. There are also several corgis seen that are capable of human speech in the story, as opposed to just Atticus.
    • The aspect of a passenger's loved ones coping with said passenger vanishing, and then their reactions to when said passenger returns (barring Jesse and his younger brother Nate in Book 2). The B-plot of the story focuses on Chloe's family and friends reacting to Chloe's mysterious disappearance.
    • There's now an internet service in the car where you can message your loved ones. This is explained in the prequel Infinity Train: Knight of the Orange Lily as to how it came to be.
    • When the Train calls for you, it just does without any warning. The fanfic now has a warning by people who are at a low point hearing a distant train whistle to warn you that you're about to go on a crazy train.
  • Interdimensional Cartoon Discussion and Support Group The story does this quite a bit:
    • The yellow slug that was used in "Anne or Beast" in place of Bessie was revealed by Hop Pop to actually belong to Chuck (The "I grow tulips" guy).
    • Chutzpaur the Manotaur reveals that after Dipper refused to kill the Multi Bear (or MB, as he is referred to here for short), the other Manotaurs splintered and followed his example, abandoning their notions of toxic masculinity. And that there are female Manotaurs, called Womanotaurs, who live at Mystery Mountain, from "Roadside Attraction".
    • During Prison Break it’s revealed that the herons that killed Sprig and Polly’s parents also killed Ivy’s dad.
    • During the second major break, it is revealed that Maddie's mother actually perished the day before the heron attack, after contracting actual Red Leg. Maddie also noted that her study of the dark arts included remedies for such diseases, though they are unproven and she hopes she never needs them.
  • The J-WITCH Series (Jackie Chan Adventures & W.I.T.C.H.) has several examples:
    • The Season 1 chapters "Need A Dark Hand?" and "J-WITCH Meets The J-Team" feature a two-part story about the Guardians and their allies first coming into conflict with the Dark Hand that is wholly original to this fic, not being based on any particular episode of either canon series.
    • Season 1 also has the chapter "Return of the Queen", featuring Tarakudo transforming Jade back into the Queen of the Shadowkhan, which was also not an event that ever happened canonically.
    • In the Season 2 chapter "Nightmares and Daydreams", there are several scenes from Nerissa and Drago's perspective as they enact their nightmare attacks on the Guardians. "E is for Enemy", the canonical episode being adapted into this chapter, lacks any such scenes, only showing the Guardians' reactions to the nightmares.
    • While the Season 2 chapter "Facades of Evil" is mostly an adaptation of the W.I.T.C.H. episode "F is for Facades", there is also an additional side plot about Drago attacking the Ben-Shui monastery while investigating its connection to Jade, which is based on the JCA episode "The Chosen One" but is not a direct adaptation of it. Additionally, the author's notes at the end of the chapter also state that the Ben-Shui monks will return and Jade's status as their Chosen One is further explored, whereas canonically this was all forgotten about after that episode.
    • The Season 2 chapter "Illusions of Flame", which is based on the W.I.T.C.H. episode "I is for Illusion", includes a subplot about the Fire Demon Chi, which is not only something that wasn't present in the canonical episode but also never appeared in JCA canon either, as it was the one Demon Chi that was never used for that story arc.
    • The Season 2 chapter "Shadows of the Past" is a Whole Episode Flashback detailing Nerissa's Start of Darkness, which was really only ever slightly touched on in canon.
  • The Kingdom Hearts/Total Drama crossover Kingdom Hearts: Cody's Story adds several worlds that weren't present in the first Kingdom Hearts game, notably Middleton.
  • J.K. Rowling once explained that the only true difference between Muggles and wizards is the presence of a magic gene. In The Last Seidr, this is expanded upon by showing that wizards are technically a different species from humans, known as wixen (though, again, the only thing that separates them from normal humans is the magic gene). Along with their magic, wixen are also apparently faster than normal humans (something observed by the Black Widow) and capable of seeing things normal humans can't.
  • Light's Song: The scene where Hunter cuts his hair in the middle of the night, with Willow ending up helping him fix it, is expanded on here.
  • In The Little Pony Legend, the fanfic's version of Friendship Games gives Team Avatar a major role to play as well as an alternate explanation to why Princess Twilight could not go through the Portal, which is that it reacts abnormally when Human Twilight comes into contact with it during her investigations. It also expands on Legend of Everfree, giving Kuvira a major role in the plot and expanding more on Gloriosa, Timber, and human Flash.
    • Korra's character is given additional traits as she interacts with the Mane Six.
    • The entire LoK storyline is incorporated into MLP:FiM, taking place at certain points during Season 4 or near Season 5 and 6. Many things are added either to incorporate the FiM characters or to maybe expand on certain characters' actions via narration.
    • Mako's backstory is explored in "The Nightmare's Return" and displays the character growth he went through in The Legend of Korra much more clearly.
    • Earth Queen Hou-Ting's character is given a fairly sympathetic backstory as well as a new lease on life in Book 3 and beyond.
    • Kuvira meets and befriends Korra during the Avatar's stay in Zaofu, adding more weight to their conflict in "Balance of the Heart." All while keeping true to Book 4's storyline as a whole.
    • Starlight Glimmer's backstory as shown in The Cutie Remark is expanded upon to show how she and Sunburst grew further apart in the time that passed since the latter got his Cutie Mark.
    • The fic's version of The Crystalling expands on Starlight's role while giving the role of Sunburst to his father.
  • Mission To Silas:
    • This fic goes into greater details of the characters D.E.B.S., their backstories and the history of the titular academy; as well as exploring Lucy's backstory, from her Mob War against the Schaeffer family, who wiped out her whole family  — something that was mentioned in passing in the movie proper — as well as a toxic relationship that was alluded to in the script. Amy also has an extensive backstory regarding the death of her father, and a troubled life in high school. Even Bobby is given a backstory about his family's ties and history with the Academy, despite Bobby himself not being a student.
    • In D.E.B.S., Lucy's alleged plot to destroy Australia is brought up as a Brick Joke and a Noodle Incident that isn't really elaborated on further. Here, it becomes a plot point. It turns out rather than a Kill Sat like it was commonly believed, Lucy was attempting to weaponize Yobidashi-gawa, an allegedly mystical device that could be used to communicate with the "Odo Island Sea Dragon"; which she previously used to wipe the last of the Schaffer's. The D.E.B.S director and Headmistress, Miss Petrie intends to get her hands on it, and use it to set off a series of attacks, framing Lucy as a threat and making her agency look like heroes for stopping her.
  • The New Recruit: Chronicle didn't focus too much on what effects the boys' powers would have on their bodies (minus them getting nosebleeds when they use their powers too much). Here, it's shown that Matt has a faster metabolism, gets fewer nosebleeds the more he practices with his powers, and that his powers can activate/deactivate if he's scared or in emotional distress (as shown when J.A.R.V.I.S. scared him and he ended up on the ceiling).
  • The Night Unfurls:
    • Both the original and remastered version expands further on the setting of Kuroinu, which is put aside in the actual canon in favour of Fanservice. Examples include the crime-ridden Ansur, the Church, and the dark elf slave trade.
    • The remastered version of the story, in particular, expands the Assault of the Black Fortress Arc in the original story, such as more characterisation for Alicia and Olga, increased interaction between Kyril, Vault, and the Seven Shields, and a more detailed journey from the Black Fortress to Ken.
  • People Like Us: The author expands on certain details regarding Arthur and Travis's backstories and even childhoods, which in canon were either left vague or outright mysterious. Less so for Arthur, since he has a poor memory.
    • More screen time is given to Arthur's clown act, showing a few scenes of him working at a children's hospital.
  • Pokémon Crossing does this for both installments. The fic fleshes out multiple Animal Crossing characters to have more distinct personalities, while adding more to areas in the Hoenn region i.e. giving Rusturf Tunnel an abandoned mine or a Contest Hall to Lavaridge Town.
  • Roanapur Connection fleshes out the backstories of a number of side characters from Black Lagoon and Code Geass. Increased focus on Japan, India and China's history and culture in CG's world. Ganabati from Code Geass spin-off Code Geass: Oz the Reflection is a prominent example so far in serving as a POV character and getting some of his past fleshed out compared to his minor role in Oz.
  • A Triangle in the Stars is set after the aftermath of Gravity Falls and after "Ocean Gem" in Steven Universe. It becomes a sort of Alternate Universe after that, however.
  • Where the Sunlight Ends: Peter Three's universe incorporates both Bobby Drake and Hank Pym as Oscorp employees and researchers, respectively.

Danganronpa

  • Extra Life does this for the world of Danganronpa, taking it upon itself to fill in vague canon details by offering Worldbuilding about the time of the Tragedy and the Future Foundation, explaining the Neo World Program's construction, giving screentime to underused characters like Miaya, and resolving what happens to the Towa City captives.
  • The PreDespair Kids expands on a lot on the setting of Danganronpa, from exploring the history of the school to characters who didn't get as much screen time as they could have. The sequel series, The Despair Kids, takes this even further by expanding on the criminally underdeveloped Future Foundation characters. Probably the best example is Miaya Gekkougahara, whose only noteworthy feature in the anime is her being quiet and painfully shy. Here, she's actually given a real voice (which she prefers to use around close friends), a personality, a backstory, relationships, and her own personal struggles.

Daniel Boom aka Loud Boy

Destiny

  • While still in its first story, TITANOMACH is planned to greatly expand the scope of the conflict between Light and Dark, featuring Guardians of many species fighting the forces of Darkness throughout the universe. Triumvirate, for the most part, expands on the story of the Traveler's arrival over Mars, and the origins of humanity's Golden Age.

Diary of a Wimpy Kid

  • Irreversible Damage: Dad explains the backstory of Mum and Dad's relationship, specifically focusing on Uncle Larry, who is Mom's former date and presumed true father of Manny.

Discworld

  • In the Discworld, the continent of Fourecks first appears as a random series of one-liners and undeveloped jokes in the early novels, and is then later built into a full novel in its own right. A.A. Pessimal pointed out there are just as many odd undeveloped sideways references in the books to the existence of a Discworld take on South Africa. note  These later became the starting point for a cycle of tales.
    • Pessimal's Discworld also relies a lot on taking one-shot, undeveloped, one-line-at-most cameo characters, and building them into major players in their own right. This is most notably done with barely-there-in-canon Assassins such as Miss Alice Band, Madame Deux-Epées, and Miss Smith-Rhodes, who all appear at most twice in the canon and are never seen again. Pessimal considered this a waste of good character possibilities and ran with them.

Fairy Tail

  • The Scars That Make You Whole:
    • The narrative when Lucy reunites with her guildmates gives more details on what they've been up to after Makarov disbanded Fairy Tail.
    • The interludes give insights into the politics of the Alvarez Empire and the nature of the Spriggan Twelve, including how August and Invel became Zeref's most trusted subordinates.

Fire Emblem

  • Naryfiel Lilith, a fanfic writer who mainly focuses on Fire Emblem (as of April 2017), does this in almost all of her stories. Her four-part Elibe series in particular expands on the games by adding various characters, locations, lore behind items such as the Sword of Seals, and even what caused the Scouring!

Gate

Grandmaster of Demonic Cultivation: Mo Dao Zu Shi/The Untamed

  • A Game for the Fool opens when Wei Wuxian is four. It takes over 67 chapters to finally get to the Gusu Lan Study arc. Much detail goes into Wei Wuxian's relationship with his parents before their demise, their training of him and his journey as an orphan and child rouge cultivator. Then, when he finally does get taken in the Jiangs, the resulting change of circumstances evolves his relationships in different ways.

Grand Theft Auto

Gungrave

  • In the last episode of Gungrave, Biscoe is seen to dismiss Mika coldly after she begs him to take her to Brandon, knowing that Brandon is siding with Harry and has to die. He later has a change of heart and decides to stop the attack on (possibly) Brandon. When the show ends, the screen is black, but we can hear Mika saying, "Welcome back." It's not specified whether Mika is referring to Brandon in the afterlife or if he does survive the ordeal. Decisions, Consequences, and a Second Chance expands upon those parts:
    • Because Brandon has betrayed Millennion, according to the Code of Iron, he has to die. Biscoe does pity Mika for being an orphan who is about to lose her Parental Substitute, but at the same time, he is a stickler to the Code of Iron. But after seeing that one of his guards is being bitten by Mika for restraining her from going out of the building and reaching Brandon at the slum, Biscoe realizes that it's Mika's instinct to be an orphan. She is very afraid of losing her Parental Substitute, and this realization leads to Biscoe's change of heart.
    • The way Biscoe tries his best to save Brandon is also explained in detail.
      • For starters, he calls his man to fetch Dr. Tokioka's trailer and a doctor from the research facility (the one who explains to Biscoe about Anti-Necrolyze bullets in episode 25).
      • Biscoe ordering his men to stop the attack is expanded upon and provides the explanation of why he suddenly yells at the phone. It turns out that his men seemingly refuse to listen to him.
    • Mika saying 'welcome back' is revealed to be the moment she discovers that Brandon survives the ordeal after having been presumed to be dead earlier.

Helluva Boss

  • Saving Blitzo is based on the "Blitzo is Kidnapped" event that happened on the fan-instagram accounts for the Helluva Boss characters. But whereas that event only lasted a day, both in and out of universe, told by a handful of posts from the various accounts, this story turns it into a multi-chapter adventure, with Blitzo’s kidnappers, the length of his absence and the reason for it being drastically changed, leading to a longer, more intense and action-packed tale.

Hey Arnold!

  • Oh Rhonda! is an interesting example in which the episodes are talked about, but expanded into a more full-fledged Story Arc.

Inside Out

  • In Intercom, it's impossible to tell if it will turn out to be longer than the original work since print and film are entirely different mediums. However, the author has gone on record that she'll be using several Inside Out abandoned concepts in her story to give it more flavor as well as her own interpretations of things. These include Riley's relative size compared with her emotions (see Huge Schoolgirl below), how Riley got a new Hockey Island from a core memory made by Joy and Anger, or all the metaphysics connecting the mind world to the real world and what happens when a host comes in.

JoJo's Bizarre Adventure

  • In Jonathan Joestar, The First JoJo, an adaptation of JoJo's Bizarre Adventure: Eyes of Heaven, Jonathan is more prominent in the story, and it features more interactions between characters. The story also continues after Heaven Ascension Dio is killed, with Jonathan now travelling through the various eras in order to fulfill the promises he made to his family.

Kid Icarus

The Legend of Spyro

  • Destiny Intertwined: The original games are fairly light in describing what dragon society was like before Malefor's war, and don't feature any dragon characters outside of Spyro, Cynder, the Guardians, and Malefor himself. As such, the comic expands significantly on dragon culture and society, and includes a number of wholly original concepts regarding their naming conventions, their government, the origins and cultures of dragons with "secondary" or corrupted elements, and the relationships between the dragons and other cultures of the era.

The Legend of Zelda

  • In The Boy Without a Fairy, a darker retelling of The Legend of Zelda: Ocarina of Time, Link's origins and upbringing with the Kokiri are given much more focus. His inner thoughts are also explored often with most of the story being through his perspective and since he can actually talk in this story there's much more dialogue and interaction between the characters.
  • The Hyrule Warriors novelization by MiniJen follows the game's storyline closely, but adds in additional elements and characters, such as having Karane, Pipit, and Groose appear in the Skyloft chapters and Ilia and the Ordona village children appear in the Twilight chapters, and giving Link an expanded backstory.
  • Hyrule Warriors: Heroes Through Time follows the plot of Hyrule Warriors, but adds additional content, such as the Time Gazers, a clan of time-controlling witches that Cia belonged to, as well as adding in Groose, Pipit, and Scrapper during the Skyloft chapter.
  • In The Legend of Zelda Ocarina of Time (DragonRand100), another dark retelling of Ocarina of Time there are many examples:
    • Link's origins and upbringing with the Kokiri are explored far more than in the game. He had family that tied back to the royal family of Hyrule, making him nobility, and is actually Zelda's secret cousin. His inner thoughts are also given focus as his perspective is that of the protagonist, one who is capable of speaking freely. Link even gets to learn magic on his journey.
    • Hyrule forms part one of nine kingdoms, and through the backstory, we learn of Hyrule's bloody past, the civil war, and the history of many of the kingdom's factions.
  • The Legend of Zelda: Paradise Calling takes an optional sidequest from Ocarina of Time and turns it into a 134,000+ word romance fic with multiple boss fights.
  • A Link Between Worlds: The Novelization: While it follows the story of the game closely, it also adds in scenes of Yuga actually capturing the Sages, while in the game, his doing so was mostly Offstage Villainy.
  • The Myth of Link & Zelda: Breath of the Wild is a novelized adaptation of the game it's named for. Link and Zelda hog the spotlight still, but there are numerous scenes outside of their perspective, and even entirely new arcs dedicated to the supporting characters. The first major new arc is a War Arc between the Yiga Clan and all of Hyrule, where the Yiga Clan attempts and fails to wipe out the last remaining settlements in Hyrule to keep them from interfering with Calamity Ganon's regeneration. A whole chapter is dedicated to showing the New Champions leading their people to fight the Yiga. After the Yiga's attack fails, the heroes take the fight to them and defeat them. The second new arc is entirely centered on a de-aged Impa working with her sister and her granddaughter to unlock her own powerful spirit animal, the Frog.
  • When the Brush hits the Canvas: Being a novelization of the rather gameplay-focused The Legend of Zelda: A Link Between Worlds, some aspects of it are expanded upon.
    • Hyrule's unchanged world map since A Link to the Past is explained to be a result of a general economic and societal decline.
    • The Eastern Palace is explained to be an archeological site that had been named a "palace" after the Hedge Maze that surrounded it - its true name having been lost in time - and almost impenetrable. Some more detail is given in its construction.
    • At one point, Ravio launches a full-blown lecture on how exactly magic functions.
    • Stalfos are explained to be skeletons of people who fallen in battle or died in a cursed place.
    • The reason there are no boats or ships is because the Zoras are so fiercely territorial that they destroyed Hyrule's art of sailing by attacking ships.

Logical Journey of the Zoombinis

  • Saetwo's Story is a fan novelization of the old edutainment classic Logical Journey of the Zoombinis. Since the game itself has very little unique material, the author gave distinct personalities to each of the Zoombinis and fleshed out their interpersonal interactions, expanded on parts of the story that were only hinted at (such as life on Zoombini Isle before the Bloats took over, and the harrowing journey to the next continent) and Re Tooled the Fleens from one-off Mirror Match enemies to the real Big Bads of the setting, culminating in a Final Battle in the last area between the Fleens and Zoombinis that never occurs in gameplay.

The Loud House

  • Flowing Star: Stella's home life is shown in this fanfic, with her exiting the house through the bedroom's window to explore the town, and her grandma staying with her when her parents are at work.

Lyrical Nanoha

Marvel Cinematic Universe

  • letmetellyouaboutmyfeels expands on the events of Captain America: Civil War into three different installments in her MCU Rewrites: New Avengers which focuses on Wanda and Pietro Maximoff/Scarlet Witch and Quicksilver, Vision, James "Rhodey" Rhodes/War Machine, and Sam Wilson/Falcon becoming the New Avengers team. Tensions involving the Sokovia Accords begin to rise when Wanda nearly kills Tomi Shishido/Gorgon for killing Pietro. Captain America: Ghosts of HYDRA which focuses on Steve Rogers and Sharon Carter finding James "Bucky" Barnes/The Winter Soldier and bringing him back from his brainwashing and taking down the remnants of HYDRA. There is also a fight between Sharon Carter and another one of the Winter Soldiers, Josef in the climax of the story. Steve and Tony's friendship is nearly broken when Tony discovers, through the use of his Binarily Augmented Retro Framing device that Bucky killed Maria and Howard Stark while under the control of HYDRA. Avengers: Civil War focuses on the team being split by the Sokovia Accords and the pro- and anti-registration sides being put into conflict when Bucky and Wanda are accused of a terrorist attack. There is also a sequence of events that shows Maria and Sharon breaking a few members of the anti-registration side out of their prison. The final scene shows Heimdall and Thor observing these events with Thor making it clear that the Avengers will be brought back together because a war is coming, a war that is... infinite.

Mass Effect

Mega Man

  • Mega Man: Defender of the Human Race combines elements from the Ruby-Spears Mega Man show and the games, and continues beyond the cartoon.
  • Mega Man Recut expands the world of Ruby-Spears' Mega Man, especially "Bot Transfer," "Future Shock," and "The Mega Man in the Moon."
  • Limitless Potential explores a lot of the timeframe between the discovery of X by Dr. Cain and the events of the first Mega Man X game proper, including the society's reaction to X, the creation of Reploids and the first incidents that lead to the creation of the Maverick Hunters. In addition, the Maverick bosses are given more depth and background to explain their motivations to join up in Sigma's rebellion, and there are some hints and flashbacks about what happened in the century between the Mega Man (Classic) saga and the X saga.

Monsters University

  • Virtually nothing is known about the other fraternities and sororities in the film apart from Oozma Kappa and Roar Omega Roar, beyond what little supplementary material there is about them. PostMU: Life's a Scream! makes each of them far more prominent characters and gives each member unique personalities, backstories, and interests. This also extends to some of the film's main characters, such as showing how Mike and Celia Mae met and the Perry twins' high school years.

My Hero Academia

  • Karma in Retrograde and its prequel shorts, Embers to Ashes, expand on the dynamic between the Todoroki siblings and their parents. It also expounds on the "Dabi is a Todoroki theory" and provides reasoning for details like why the eldest Todoroki sibling is shorter than his younger sister Fuyumi and brother Natsuo.

My Little Pony: Friendship Is Magic

  • Bad Future Crusaders provides an interesting variation: it started as a series of images from DeviantArt that showed characters from My Little Pony: Friendship Is Magic in a Bad Future scenario. From that, it was adapted by a Fimfiction user who wrote a plot that tied the images together.
  • The Elements of Friendship does this with My Little Pony: Friendship Is Magic: The first Book takes the two-part pilot and turns it into a Doorstopper epic, the first Interlude takes the episode "Magic Duel" and expands on it significantly, and it's implied the whole series will continue to follow this pattern.
  • Equestria: Across the Multiverse:
  • Lady Prismia and the Princess-Goddess, the second story in the Cadance of Cloudsdale anthology, takes the one paragraph of Cadance's origins and turns it into an entire story, though some liberties are taken to stay consistent with the first story (such as Cadance already being an Alicorn, instead of a pegasus that gained her horn in said origin story).
  • LEGO Equestria Girls is more than just My Little Pony: Equestria Girls in a LEGO setting. For starters, the story does not take place in a high school. (Flash Sentry also has more into the plot than being just Twilight's love interest, which he isn't even in this story.) By extension, the sequel is also more than just Rainbow Rocks in a LEGO setting.
  • My Little Pony Nine Elements:
    • The characters' ages are elaborated on more than canon with the starting ages when the show begins for the major characters being Applejack and Sunset are 18, Rainbow Dash is 17, Twilight, Rarity, Fluttershy, and Trixie are 16, Pinkie and Starlight are 15, Spike is 10 (in pony years), Apple Bloom and Scootaloo are 8, Sweetie Belle is 7, Princess Celestia is 2,028, and Princess Luna is 2,023.
      • The supporting characters' ages when the show starts are touched upon also with Granny Smith being in her 50s/60s, Big Mac and Shinning Armor are in their 20s, Pinkie and Fluttershy's parents are in their 30s/40s, Gilda and Maud are 17, Limestone is 18, Marble is 15, and Pipsqueak is 6 (when first introduced in season 2).
    • Sunset's life in Equestria before leaving for the human world is elaborated in "A Bird in the Hoof" where she was bullied by the students in magic school which would play a part in her deciding to run away to the human world.
    • Equestria's history is given more detail with the first talking ponies of Equestria, Amalthea, and Pegasus, initially being from Earth and hidden from outsiders until an evil troll showed up and fatally injured them. Megan Williams (the same one from G1) would nurse the two back to health and study them (provided she keeps it between her and her siblings). After freeing the other mythological creatures, Amalthea would create a new world for her, Pegasus, Megan (brought to help the ponies take care of themselves as long as there was a way back to Earth), and the other mythological creatures and ponies to live in (initially named Ponyworld until the founding of Equestria shown in "Heart's Warming Eve"). The first immortal alicorns would be a result of unicorn Amalthea and Pegasus mating (with breeding between immortals later being forbidden to avoid overpopulation) while the first non-immortal Equestrian unicorns would be from Amalthea mating with various Earth pony stallions.
    • Fluttershy off-handedly mentions Ponyville’s former librarian Miss Novel moved to Baltimore a week before Twilight showed up. While the series itself never established who operated Golden Oak Library before Twilight arrived and took it over.
    • Fluttershy's ability to communicate with animals as well as her “Stare” in the original series were just kind of things she could do that was unique to her, with the former just being treated as part of natural talent with animals and the latter not given any real explanation. Here, “critter whisperers” and “mystic eyes” are both larger phenomena within Equestria, with more ponies than her possessing these abilities. In fact, Rarity herself has her own magic eye-based abilities that give her heightened perception. Though critter whisperers are not only rare, finding a pegasus critter whisperer is apparently especially rare, due to them often living in the clouds.
  • Two stories of The Non-Bronyverse are like this, one with a canon work, and one with a fanon work.
    • TD vs. Equestria Girls deviates from the storyline seen in My Little Pony: Equestria Girls by having TD go through the portal instead of Twilight (after all, TD's the alicorn instead of Twilight). Of course, TD being TD, a series of events occur against him that culminate in TD punching Principal Celestia in the face. And then punching Mr. Antares. Who is an alternate version of himself. Yeah, that ended badly.
    • TD's Little Rarity deviates from the storyline seen in My Little Dashie due to, unlike the protagonist of MLD, TD having a lot of people around him who could find out around Rarity. And most of them are bronies. It goes as well as you'd expect: TD and Rarity being taken away by the government.
  • The Pony POV Series does this to all four animated series in some capacity, due to merging all four into one timeline. This includes providing epilogues to the original two TV series that show how they tie together, provide a Final Battle for G1 in the form of the Witch War, and in the case of G4 provides expansions on canon events to explain things better or fill in plot holes, or even turn two episode finales into entire story arcs.
  • A Voice Among the Strangers is the story of Jessica, a university student transported to Equestria and her struggle to overcome the language barrier between her and the ponies. The P.O.V. Sequel, A Stranger Among the Voices, has four viewpoint characters (so far, and one of those has yet to actually meet her), and a lot of direct dialogue that Jessica couldn't understand when she heard it. As a result, it has taken over 118,000 words to cover the time span of the first two chapters of the original story (just over 28,000 words altogether), not counting the 10,000-word first chapter, set before Jessica entered the story.

Naruto

  • Son of the Sannin delves a lot more into Naruto's childhood years up to his time in Konoha's Ninja Academy before entering the timeframe of Part I. Additionally, during the timeskip there's an arc dedicated to the Kirigakure Civil War and the rise of Mei Terumi as the new Mizukage, and during Part II, there's another arc that delves into Hamura Otsutuki and the Hyuga clan's ancient story.
  • Sugar Plums does this extensively to the Land of Water, going into the setup of the shinobi system, the political and economic structure, the reasons and events that led up to the desertion and deaths of the seven swordsmen, the reasons why the Kaguya attacked Kirigakure and how Mei got into power.

NieR

  • Instead of being a distant threat, in Tower of Babel, Shadowlord pulls a Heel–Face Turn, joins Nier and his team, and becomes one of the main characters. Several minor characters like Kalil’s mother get a slightly bigger role than in canon, but they are still side characters at best.

Odd Squad

  • Forever And A Mile takes Olympia's comment from "Life of O'Brian" about O'Brian tube-blocking her for long enough that she forgot what the sky looked like (originally meant to be Played for Laughs, if not a full-on Black Comedy Burst) and gives it a deconstruction, showing just how much his tube-blocking has affected her both mentally and physically and how she's been stuck in Precinct 13579's Headquarters for so long that she really can't imagine what the sky actually looks like.

One Piece

  • Due to being an Ascended Extra, Mikita's backstory is explored more in The Logia Brothers than it was in canon. For example, her dream of being a chocolatier comes from her family owning a famous sweets shop when she was a child. Her canon epithet "Courier" is because she got her first bounty working as a smuggler.
  • In This Bites!, due to the influence of Cross, the Self-Insert, the Straw Hat crew ends up becoming much larger than it does in canon, by about fifteen extra members.

Persona

  • Hours 'Verse:
    • Intermezzo delves deeply into Akira and Akechi's backstories, extrapolating on details from canon to build a full backstory for the former, and explaining how Akechi got to the mindset he has for the latter.
    • The trip to Destinyland is fully shown in Butterfly Cascade.
  • In stories such as Persona 5 Adult Confidant AU and Persona 4 SILVER BLUE, it is agreed upon that despite them not appearing the games said fics are based upon, the music playing in the Velvet room is still being performed by Nameless and Belladonna from Persona 2.
    • For SILVER BLUE in particular, some aspects of locations that already existed in canon are expanded upon in this story, especially due to Labrys being somewhat more curious and adventurous than Yu, not to mention somewhat more willing to ask questions about the world around herself. Also, The scenes where the Investigation Team members meet their Shadow selves are expanded upon, and their Shadow selves use far more personal repressed to mercilessly torment their counterparts, which both highlights how merciless the Shadows can be, and gives some new insight into the characters of their original selves.

Pokémon

  • As Fate Would Have It expands several of the plot elements from the original Pokémon Black 2 and White 2, mostly relating to Yancy's backstory, her choice of Pokémon, her role in the story, and even her family. Outside of this, it's also shown that Pokestar Studios also hosts a Fan Convention on the side as part of their way of promoting their films, especially the superhero-themed ones.
  • Pokémon Reset Bloodlines does this a lot. Many characters, locations, and concepts are given a lot more history and details on their pasts than the anime, games, or manga did. Examples include:
    • Infernape's super strong Blaze ability is now a recognized condition called Hyper-Blaze (which is hinted to come in other variants like Hyper-Overgrow or Hyper-Torrent).
    • Many parks hold Bug-catching Contests like the one seen in Johto. It's been featured in Kanto, Sinnoh, and Unova so far.
    • The Battle Frontier is featured while it's still in its formation stage, with only five Frontier Brains recruited.
    • Characters of the day appear earlier and more often, and we get to see bits and pieces of their past. Several of them have gone on to star in their own sidestories.
    • We get to see the early actions of Cipher before they implement their plans, including recruiting Dakim and seeking out rare and powerful Pokémon to be made into Shadow Pokémon.
    • Some facts from the Sun and Moon Pokédex are expanded upon, such as the how Mudbray line was once found worldwide but is now rare, and in fic we see people working to reintroduce the species to Kanto's Safari Zone. Likewise, the same Pokedex mentions that Skarmory Feathers were used as swords, and a sidestory comments on how they were used.
    • The Kiawe oneshot explains that the Tapus can give people one-use Z-Crystals to let them test their power. This is explained as the reason why Ash's Z-Crystal broke in Episode 2 of the SM series.
    • Rotom are able to possess Pokedexes that aren't specifically made for them. It's just a lot less effective.
    • Technical Machines, or TMs, are featured in the story as Technical Manuals, in the form of USB drives that can be plugged to any computer. They contain tutorials about how to teach Pokémon different moves and can be updated regularly.
  • Pokémon Wack: There are an additional 32 types not seen in the original franchise, as well as Shadow (from Pokémon Colosseum and its sequel) and ??? (only used for a single move in the first four generations, before being discontinued in Gen V). Thousands of new Pokémon now exist, along with plenty of new moves, forms, abilities, and evolutions.

RWBY

  • Aunt Salem: Salem's following goes from a few followers in canon to a large network of cultists who worship her as a God and force of good.

SHARE MY STORY

  • Light Illuminates Darkness: This story adds and expands the background of the two protagonists from I Was Abandoned Because I'm Too Ugly and My Sister Is Jealous Because I'm Prettier Than Her.
    • In the My Sister Is Jealous Because I'm Prettier Than Her video, Sara and Selena's father just disappear without explanation before her mother takes Sara to the city at 12 years old to work with the modeling agency. This story explains that Sara and Selena's father died when she was 12 years old before her mother took her to the city to work at the modeling agency.
    • In the My Sister Is Jealous Because I'm Prettier Than Her video, the incident that destroyed Sara and Selena's relationship was when their mother, Lisa, told Selena to skip school to help prepare for her sister's makeup for a photoshoot. Selena started crying, and when Sara asked her what was wrong, Selena pushed Sara back on her chair so violently that it fell over her head. At first angry, Sara realized that today was Selena's birthday. Sara told her mother, who said she did not care because her photoshoot was more critical. After bugging her mother for an hour, Sara convinces her to buy Selena a birthday cake. But things ended badly when Sara gave her sister a piece of cake, but when she went to get her piece, the mother said, you can't have cake because you have to stay thin and let your sister become as fat as she wants. Selena runs crying to her room while her mother eats her piece of cake. Sara tries to comfort her sister, but Selena rejects Sara's attempt to comfort her, making Sara say she thinks Selena is ugly despite Sara telling her that she isn't ugly and she loves her no matter how you look. Selena bullied Sara in secret for weeks, and the breaking point for Sara was when she tried to reconcile with Selena by giving her an iPhone, only for Selena to take the iPhone and her sister's iPhone and sell her sister's iPhone for a quick buck. Sara told their mother, and their mother threatened to throw Selena out unless she stopped and obeyed her sister. Sara was angry at her sister and forced her sister Selena to clean her room while laughing at her; it implied that Sara started to bully her sister as revenge for her treatment. This story revealed that Sara was 14 years old when the incident happened, meaning that two years had passed since Sara started work at the modeling agency. Sara also revealed that she and her sister Selena had started to drift apart during those two years because she was busy with her job at the modeling agency and taking the role of the family breadwinner, so Sara was always too busy to spend time with her. Finally, It was revealed that after Sara got even with her sister Selena for mistreating her, Selena started to get really depressed, so they eventually stopped fighting with each other. They were cold to each other, and Sara tried to be civil to Selena; they were not as close as they once were.
    • In the video, as Sara gets older, she gets more job offers. At 16, she secured a 50,000 us dollar deal for participating in a fashion campaign. The whole photoshoot took two days. Afterward, the family moves into a two-bedroom apartment. It should be noted that Sara and her sister Selena look happy in the scene and are smiling at each other, implying they are getting along. Sara thought she and her sister were going to share a room; then, the mother told Selena that she was going to be sleeping in the maid's room, which was really just a small storage room with a mattress on the floor and no windows or air conditioning, and spiders. Sara in the story revealed that she and her sister Selena were glowing closer again and were thrilled to be moving to the new apartment. Sara was excited to share a room with her sister. Sara was also shocked and horrified when her mother forced her sister Selena to sleep in the small storage room and wanted to protest, but was too afraid of her mother to stand up to her.
    • In the video, after Sara and her mother learn that Selena how to become a drug addict, the mother wants to kick Selena out of the house. Sara refused, telling her mother that she had made the money in this house and Selena was staying. The mother told Sara that Selena was her responsibility. In the story, Sara implies that their mother, Lisa knew that Sarah would crack under the pressure of taking care of her sister Selena and was subtly manipulating Sarah into abandoning Selena.

Sly Cooper

  • While Carmelita's canon counterpart did not have much in the way of backstory beyond "unscrupulous hero cop with a heart of gold", Sly Cooper and Carmelita Fox and the Thievius raccoonus gives her a fully-fleshed out backstory that closely parallels Sly's; she is descended from a long-line of Cowboy Cops with their own Great Big Book of Everything of crime-fighting techniques (The Guardius Vulpinus), her parents killed by the Fiendish Five because they saw the Fox Family as a threat, Carmelita dumped at the same orphanage as Sly, Bentley, and Murray.

The Smurfs

A Song of Ice and Fire

  • Forum of Thrones: The War of Conquest goes from an unseen event in the backstory to the main conflict of Books 2 and 3. Additionally, many characters who are at best posthumous characters in the source material are major characters here.
  • The King Nobody Wanted:
    • The Saan family is given fairly limited exposition in canon outside of being a line of pirates from Lys who have produced a number of successful pirate lords. In the story, they're given considerably more backstory, and are established as being descended from what was once a major house in the Valyrian Freehold although they are now long downfallen, as maintaining an ancestral holding and title in Lys, and as having had a long history of sailing to their dooms into the ruins of Valyria. They are also given a coat of arms, a green dragon with a human figure emerging from its mouth, based on the Biscione of the Visconti family.
    • In the books, the members of the Band of Nine are for the most part a historical footnote — Maelys is the only one to be given a specific history and motivation, and even there he's mainly intended to close off the Blackfyre line; Alequo Adarys is also given a cursory history, and the others are mostly just a list of names. The story significantly expands on all of them; Maelys is given a more complex backstory, and had a historic alliance with Myr and the Rhoynar remnants in Essos; Liomond Lashare was killed by Tytos Clegane; Xhobar Qhoqua and Derrick Fossoway were killed by Walter Whent; the Old Mother died of old age; Nine-Eyes was given a cask of poisoned wine by Garth Tyrell; Samarro Saan sailed into Old Valyria seven years prior to the Rebellion and hasn't been seen since but left behind a widow and two daughters, with his wife, the Widow-All-In-White, being a feared and successful pirate lord in her own right.
    • Canonically, Khal Bharbo is little more than a name and a mention of being Khal Drogo's father. In the story, he's given some additional backstory in Khal Drogo's chapters, where he's described as having once been a simple goatherd who rose to khalhood and as having fought in Maelys' forces in his youth.

Sonic the Hedgehog

Soul Eater

  • Soul Eater: Troubled Souls features a more complex setting than the original material due to the author taking aspects of it and running with them or adding in his own, original touches.

Star Trek

  • As a novelization Bait and Switch (STO) expands greatly on the 1-2 hour-long Star Trek Online Foundry mission of same name. The most prominent addition is the USS Bajor and crew, standing in for the Player Character, and various scenes involving them that take place around and between the mission's various stages.
  • Beat the Drums of War is a novelization of the Star Trek Online mission "Blood of the Ancients". In addition to the canon battle scenes, the Iconians also hit several other planets. Enforced because the authors were in the section of STO's playerbase that were profoundly disappointed with the limited canonical portrayal of the Iconian War.
    • They attack Qo'noS and are challenged by a fleet led by Chancellor J'mpok (stated to be inspired by the STF "Gateway to Gre'thor"). The IKS Bortasqu' is knocked out in the first volley, J'mpok's flagship is trashed, and the day is only saved by Brokosh, Ja'rod, and Worf leading a ragtag fleet of vassal races, mercenaries, and dishonored warriors in a surprise attack on the Heralds' flanks.
    • Tuvok gets the Undine to help out when the Heralds attack Vulcan, completing the Heel–Race Turn from Reality Is Fluid and "Mindscape".
    • The Iconians land on Bajor and are met by the full force of the Bajoran Militia. Turns out Herald Harbingers are no match for main battle tanks. Oh, and then Dominion forces led by Odo join in.
    • A joint Romulan/Delta Quadrant force stays behind to defend New Romulus against a renewed Herald attack. Then the Romulan Star Empire joins in as The Cavalry.
    • The Iconians attempt to attack
    • Another battle is mentioned at Tellar, while the Cardassians withdrew to Cardassia Prime in expectation of an attack that never came.
  • Legacy of ch'Rihan is a novelization of the Romulan tutorial in Star Trek Online, and the first chapter is actually set a few hours before the tutorial missions. It also contains sub-chapters set just after Hobus, detailing how main character Morgan t'Thavrau ended up on Virinat in the first place.
  • The Wrong Reflection is a novelization of a Star Trek Online mission, "The Other Side", that takes maybe twenty minutes to play. The Mirror Universe doesn't even get a mention until more than three-quarters of the way through the first chapter, much of which concerns Eleya's sister's wedding instead.'

Subnautica

Super Smash Bros.

Superman

Super Mario Bros.

Teenage Mutant Ninja Turtles

  • In the 2012 series, the Hamato clan subsisted on worms and algae before they went to the surface and discovered human food. In An Ideal Gift, it is revealed that they farmed the algae using a sunlamp Donnie built to cultivate it. When they stopped eating algae, they kept the lamps in storage until Michelangelo took up gardening.

Tolkien's Legendarium

  • A Boy, a Girl and a Dog: The Leithian Script retells a story from The Silmarillion that in the original book was thirty pages long (the prose version), and around one hundred pages long in The History of Middle-earth (the Lay version). This fic is more than half a million words long.
  • Heart of Fire: Smaug and Kathryn's interactions over the first two-thirds of the story, coupled with portraying Bilbo and Smaug's conversation from Smaug's perspective in Chapter 19, provide a lot of expansion on Smaug's characterization during the events of The Hobbit, including but not limited to his movie incarnation's hatred for Thorin Oakenshield.
  • Under Strange Stars: The first story in particular significantly expands on the Haradrim, whose culture and history are largely glossed over in Tolkien's canon, and depicts them as fiercely monotheistic Eru-worshippers engaged in a long and bitter guerrilla war against the decadent, Morgoth-worshipping nobility of Umbar.

Total Drama

  • For Want of a Mohawk: Chapter 12 has an original chapter detailing what occurred during the winning team's spa trip between "Bruch of Disgustingness" and "No Pain, No Game." Namely, Courtney and Geoff sneaking off the set and into the city to get a replacement surfboard for Bridgette after Geoff accidentally wrecks it while Lindsay tries to prevent a sleepwalking Owen from causing a breach of contract at the spa.
  • The reimagining, The Legend of Total Drama Island, is not constrained to 20-minute segments like the original, and exploits this freedom by including much more personal byplay and additional ancillary scenes. The result is a more character-driven story than the original.
  • Predator and Prey is basically meant to be a full telling of what happened between Bridgette and Geoff during World Tour, including both the parts we see in the show and plenty of new scenes that reveal the horrible truth about why Bridgette cheated with Alejandro and how it affects her and Geoff.
  • Reality Collides: The Ezekiel Chronicles: All of the characters' backgrounds and personalities are greatly expanded upon in the fic compared to the original cartoon.
  • Total Drama All-Stars Rewrite:
    • A few contestants who weren't in the canon All-Stars are added to the group, namely Owen, Noah, Dawn, Brick, and Anne Maria.
    • Due to the above-mentioned additional contestants, as well as two Aftermath specials, the number of episodes in the season is expanded from 13 to 17. The finale is split into a two-parter, while two completely original stories are introduced (the 5th and 14th episodes).
  • Total Drama Do Over: Due to the increased cast size, most seasons have more episodes than their canon counterparts, with original challenges written for the series. For example, Action Do Over adds challenges based on the musical, adventure, and romance movie genres, while World Tour Do Over adds several new locations (Loch Ness, Transylvania, Walt Disney World, Rio de Janeiro, Moscow, NASA headquarters, and the Pacific Ocean). On top of extra episodes, Pahkitew also stretches out the climactic malfunctioning island plot.

Touhou Project

  • In The Brilliant Light Of Day greatly expands on the plot of Touhou Kishinjou ~ Double Dealing Character, making it more complicated than a simple "Beat up the people behind the incident" story. Shinmyoumaru and Seija's origin story is explored in full, and a number of characters who didn't appear in Double Dealing Character play major roles, including Kogasa Tatara, Eirin Yagokoro, and Yukari Yakumo.

Trollhunters

  • In Trollhunters, Barbara is established to be a doctor while her husband is implied to have been a part of the military. In Changing Ways, she’s a military M.D., which may explain how they met in the first place.

Tsubasa -RESERVoir CHRoNiCLE-

Tweeny Witches

  • The Reason He Lies expands Sigma's backstory, detailing how and why he joined the military as a scout after the death of his father.

Undertale

  • The December 2020 demo for TS!Underswap, a Role Swap AU Fan Game for Undertale, adds more content to the first area. In the original game, you only meet three named characters in the Ruins, there's not much to do except solve puzzles to get to Toriel's house and fight monsters, and the old monster capital named Home is entirely inaccessible, only seen in the background near Toriel's house; partially because it's so empty and dull, many fans agree that it isn't until you leave the Ruins that the game hits its stride. For Ruined Home (the Ruins' counterpart), TS!Underswap turns the old monster capital (named the City of Old here) into a city full of colorful NPCs with unique designs you can talk to and do side-quests for, adds a small sewer level with a chase sequence, brings in multiple named characters to interact with (including Mettacrit and Bugerpant), and you fight several minibosses (with Mooks reimagined as Original Characters you can even talk to in the Ruined Home overworld afterwards). For comparison, you usually get out of Ruins in about 30 minutes, tops. In TS!Underswap, completing Ruined Home takes about 2-3 hours in normal runs, and still takes about an hour in Genocide!
  • The Undertale (Fan Novelization) retells the events of the video game while expanding on the events, characters, and even enemies you meet in the game.

Vocaloid

  • Rotting Camellias expands on the song Dark Woods Circus, giving backstory to many of the characters and the circus itself.

Warhammer 40,000

  • The Legacy of the Blood Ravens takes the plot of various Dawn of War games and expands the cast of 20 or so characters to more than fifty, covering dozens of events more than the games themselves as well as getting perspectives from each of the races involved.

Worm

  • Wolf Spider: In canon the only things known about Pelter/Stefanie Lamana are her names and that she died during the Leviathan fight. Here she survives, becomes a recurring character, and joins Taylor and Rachel’s team.

Wreck-It Ralph

  • In the original film, the Sugar Rush racers (sans Vanellope who's one of the main characters) got very minimal screentime; most of what is known about them comes solely from supplementary material. Sugar Rush: Rival Racing puts the Sugar Rush racers into the main spotlight and thus expands on their personalities and what they do in their free time.

X-Men: Evolution

  • The SuperStarr Chronicles reveals that much like the mainstream Marvel Universe, this universe has a long history of superheroes and supervillains, dating back at least as far as World War II.

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