YMMV / OMORI

YMMV with their own subpages:

• Alternative Character Interpretation
• Memetic Mutation

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• Accidental Aesop: Considering that Sunny taking time away from his friends to practice the violin with his sister (and perhaps letting Aubrey and Basil vent to him a lot) likely took a serious toll on his happiness and mental well-being, and Basil's clear favorance for Sunny to the point of denial of an accident the latter caused inflicted his Sanity Slippage, the consequences of building too much of your identity around supporting others can be seen in them.
• Adaptation Displacement: Due to the game exploding in popularity, not many fans know that it is based on a Tumblr webcomic by the artist and was originally going to be a graphic novel. The comic's physical version is out of print.
• Alternate Aesop Interpretation: Because of the Golden Ending's ambiguity, the final message has been interpreted on varying spots on the Sliding Scale of Idealism Versus Cynicism, from "accept that your old friends might never take you back after wronging them and it’s best to just accept it, learn from your mistakes, and move on to start anew" to "part of loving yourself is to trust that those who truly love you, whether others or yourself, will be there for you in spite of your mistakes".
• Aluminium Christmas Trees: It’s actually possible to create and explore a world in your dreams similar to Headspace.
• And You Thought It Would Fail: After six years in development, the struggle to move the game from RPG Maker VX to MV, the cancellation of the Nintendo 3DS version, and the lack of communication between developers and backers, many expected the game to be another Kickstarter failure that didn't deliver what it was promised. Thankfully this wasn't the case: the game came out on Christmas Day 2020, and it got a lot of positive reception from backers and players alike.
• Award Snub: Despite being one of the most acclaimed RPGs of its likeness, and coming out late enough in 2020 to be eligible, the game won none of the Steam Game of the Year 2021 awards.
• Base-Breaking Character: Out of the game's main cast, Basil is the most divisive member of the group. While many fans adore his close friendship with Sunny, gentle demeanor, and collection of memories for the friend group, many others resent him for the trauma his codependence inflicted on Sunny — on two different nights.
• Big-Lipped Alligator Moment:
  • Vast Forest features a unique fight against one of the trees comprising its area. It has the most health out of any enemy encountered during Three Days Left as well as the most defense out of any enemy in the game, but also doesn't fight back. Outside of the Foe Facts it is never mentioned again after defeating it.
  • One of the bosses you fight in the Junkyard while searching for Space Boyfriend's mixtape is... a download window. It comes completely out of nowhere with no explanation and it dies with no fanfare. Even Hero gets confused as to what happened after the fight.
  • Also in the junkyard, Hero summons a hamster named Ems to eat a wheel of cheese blocking the gang's path, before departing and saying she'll be there when they need her… which never shows up or gets referenced again. She does show up in one of the sandwich club rooms later in the game, but she doesn't do anything for you.
  • While in Sweetheart's Castle, you'll come across a weird sous chef Mole who asks you for… bizarre ingredients. What happens when you finish it? Cue the game and sous chef glitching out before everything snaps back and the chef is replaced.
  • In Orange Oasis, you can teleport to a side area called Rain Town by examining a sparkly tile of lake water. There's only one thing you can do here, and that's to turn the rain valve to the right to ease up the rain and complete a Surprisingly Easy Mini-Quest. Turn it to the left and the cute little critters here turn into creepy little Somethings as the rain turns into a stormy night, flooding Rain Town and locking you out of the area permanently (if you are on the main route; you can go back to it when Headspace is reset in the Hikkikomori Route). Regardless of your actions here, they have no real bearing on the plot.
  • On the first trip to Orange Oasis, the party is suddenly jumped in the train by a deer-like Something named Dorothi. It comes out of nowhere and is never mentioned again.
  • While approaching the igloo in the Frozen Lake area, a short cutscene plays, showing a smiling ghost leaving the igloo and floating away with an eerie sound effect. Even on the Hikikomori Route where the igloo is revealed to be a passage to Snowglobe Mountain, the smiling ghost does not appear again and its presence is never acknowledged.
• Breather Boss: Unlike the difficult Puzzle Boss Mutantheart and the brutal Superboss Perfectheart, Roboheart doesn't have any gimmicks, is not particularly powerful, and might as well be the easiest of the Sweetheart clone triad.
• Complacent Gaming Syndrome:
  • A basic strategy that a lot of players fall back on is having Kel anger Aubrey, and Omori make an enemy Sad so that Aubrey can Headbutt them for high damage. This skill combination is available from just before you set off to Otherworld, and it's a basic yet reliable method of dealing high damage that doesn't cost a lot of Juice. Make Omori himself Sad and you can exploit the defense-ignoring Stab alongside Aubrey. Those who become overdependent on this combination may not even notice that they can swap their skills around after each member learns more than the maximum of four at once, and realizing this too late can lead to crushing defeats, usually by Sweetheart's^note who is constantly happy, which hard counters anger hand.
  • Another common strategy consists of equipping Aubrey with the strongest possible defensive equipment (the Cellphone obtained from the recycling machine, which gives +10 defense, is a good choice) and having her spam Counter to Draw Aggro while Hero continuously heals her to full with Cook. Omori plays the role of main damage dealer while Kel runs support and keeps his friends' Juice topped up with Juice Me. This simple strategy completely shuts down most encounters, with the exception of a select few that heavily abuse area of effect attacks (such as, again, Sweetheart or Humphrey's first phase).
  • Of Omori's many emotion-abusing skills, Mock is the first obtained and also the most widely-used and reliable. It harshly debuffs an Angry enemy's attack stat, leaving them with an emotion that's all downside. Best of all, Kel is usually the fastest party member and Omori the second fastest, which makes the turn order absolutely perfect to chain an Annoy from Kel into Omori using Mock, while Aubrey can follow up with Team Spirit to give herself and another team member (usually Omori) emotional advantage against the angry foe, on top of everything else. While Shun can be used to similar effect, it is obtained significantly later than Mock and requires either two turns or a disposable item to set up, as Omori himself is the party's main Sadness inducer.
• Crack Pairing: Shipping any character with Something. Especially Hero or Basil.
• Crosses the Line Twice:
  • Some players view Dream Basil's watermelon death in Black Space as this. For context, you first encounter Basil in Black Space tending to watermelons. To escape this room, Omori has to open watermelons and find the key inside one of them. After doing this six times, Basil crumples like the watermelons into sliced bits. Only then does the seventh watermelon reveal the key. Video evidence reveals several players laughing from the sheer randomness.
  • Life Jam Guy's hilariously deadly demonstration of Life Jam: He gives you three Life Jams and initiates a boss battle, then One-Hit TOASTs everyone except for Omori, whose Last Chance Hit Point kicks in, just so he can be forced to use the Life Jams to revive them.
• Crossover Ship: Omori and the Fallen Child (aka Chara) from Undertale. A pair of knife-bent Creepy Child protagonists who can be seen as foils of each other, Chara being associated with Determination pushed to its most harmful maximum, the idea of never giving up on your goals no matter the consequences to everyone else, while Omori is a personification of depression and suicide, the ultimate form of giving up on everything.
• Diagnosed by the Audience:
  • Sunny has spurred quite some discussion on his mental health and neurological workings:
    • Firstly, he is widely believed to be autistic. Even before Mari’s death, he likely had trouble reading social cues (when Aubrey flirts with Omori, the latter doesn't really understand, but just gives a thumbs up anyway), was rather quiet (Basil speaks for Sunny in the rain section of the Memory Lane) and inexpressive, despite feeling emotions deeply (the game’s files for Basil’s photos of Faraway Town reveal his dread of Mari leaving him to go to college, and of course his inability to express his anger led to the impulsive acts that caused her death), isn't too comfortable with others initiating physical touch (he seems rather surprised and confused at the current friends' group hug once Aubrey starts to cry), and possibly stimmed with the help of his old plushie collection.
    • Also, Sunny sometimes appears to maladaptively daydream. Headspace Mari can comment on him having his head in the clouds, and he often hallucinates pleasant childhood memories of his friend group while traversing Faraway.
    • Sunny is also believed to have dissociative amnesia; Mari's death did a number on his understanding of what his reality is like and who he even is.
  • Quite some fans headcanon Basil as having Borderline Personality Disorder. Symptoms he exhibits are intense fear of abandonment, suicidal ideation in response to such fear, periods of stress-related paranoia with lost contact with reality (his reasoning that a monster caused Mari's death), ongoing feelings of emptiness, unstable relationships (such as his idealization of Sunny to the point of denial that the latter even accidentally killed his beloved sister), and intense mood swings (going from happily greeting Sunny to calling his need to move away "mean" and then brutalizing him to hospitalization, and if the Hooligans are to be believed, suddenly crying near the lake for no apparent reason).
• Enjoy the Story, Skip the Game: While OMORI’s gameplay is largely well-regarded, especially compared to many other contemporary RPG Maker games, there’s a section of players that are largely in it for the Faraway Town segments, where gameplay is the lightest; ironically, a lot of these fans are more accustomed to games that are closer to the more traditional use of this trope, like OFF.
• Ensemble Dark Horse:
  • Captain Spaceboy, or more specifically, his edgy alter-ego Space Ex-Boyfriend. He serves as the Wake-Up Call Boss of the game, has a badass appearance and music, and is also The Woobie due to his relationship with Sweetheart. As a result, he has as much fanart as everyone else.
  • Pluto, due to his Large Ham mannerisms and memorable boss fight as Pluto (Expanded).
  • The Unbread Twins, despite being a completely optional encounter that's easy to miss, are a surprisingly popular subject for art compared to their role. It helps that their battle theme is considered to be one of the best in the game and their real life counterparts are bizarre cloudcuckoolanders.
  • Rococo, the alien artist. A minor character who had the unfortunate pleasure of dating Sweetheart for the sake of repopulating his destroyed world, only to get dumped and banished into the walls of her castle. His tragic backstory and impressive artwork makes him memorable! to say the least.
  • Basil's caretaker Polly is one of the most popular side characters in the Faraway Town segments, helped by her presence in the main story and likeable characterization as a sweet-natured woman with some hints of insecurities about how well she's doing as a caretaker. Her popularity grew further after OMOCAT released artwork of her, revealing that she was a favorite among the developers as well. It's common to joke (not unreasonably) about her being Basil's real mom, if not a parental figure for the entire main cast considering their own familial issues.
  • Kim is by far the most popular of the Hooligans outside of Aubrey herself due to the close and legitimately caring relationship she's shown to have with Aubrey, particularly with her worry about Aubrey hiding away in her house on One Day Left. The two make up one of the most popular ships outside of the main cast, though it is also common to ship Kim with Basil or Kel as a Beta Couple if Aubrey is already in a pairing with someone (e.g. Sunny).
  • Among the non-story relevant characters, Cris/Blue-Haired Girl and Mincy are fairly popular as some of the only characters outside of the Hooligans within the same age range as the main cast. More specifically, Cris is also memorable for giving you the Seashell Necklace, one of the few Faraway Town charms which has an effect and by far the most useful for the Recycultist Dungeon and the Omori fight, while Mincy is liked for her Adorkable design and personality as well as her small arc about coming out of her shell and gaining confidence in her art. A number of fanfics exist which have one or both of them join the main friend group, often shipping them with Kel, Sunny, or even each other.
• Epileptic Trees:
  • Is the White Mari really Mari's spirit or another one of Sunny's hallucinations? There's a lot of evidence pointing towards the former: Hero thought he heard music coming from the piano room after Sunny wakes up at the end of Day 2, the old man in the graveyard telling Sunny that the spirits are uneasy, the meaning behind the white egret orchids in the language of flowers, as Mari's body was surrounded by the same flowers during her funeral. However, the game leaves this question open to interpretation.
  • Are the characters in Headspace just simply a part of Sunny's dreams, or are they actually supernatural forces who have existed long before Omori created Headspace to distract Sunny? Mr. Outback has stated that at least some of the characters have existed before Headspace's current state in some form, but the game never elaborates on this. This is further thrown into question by the fact that some of the NPCs are based on people that Sunny should logically have no reason to know about.
• Fandom-Specific Plot:
  • A popular AU idea is a Role Swap AU asking what if it was Sunny that died on the staircase that fateful day, rather than Mari? Usually this would also involve Hero and Basil switching roles to cover Sunny's death, and possible fan names for Mari's version for Omori would be Hikki, Hikik, Kiko, or even just Omari.
    • This has eventually mutated into Role Swap AUs that shuffle the six kids around, with "Neutral-Killer/Dreamer", "Dead-Victim", "Fear-Accomplice/Stranger", "Sad-Mourner", "Angry-Rebel", and "Happy-Waker". An example would be an Omori-Kel AU where Kel accidentally killed Hero, and Basil becomes a punk.
  • In general, fics where Mari survives her fall down the stairs and/or Sunny never moves away from his friends tend to be rather common.
  • Another idea involves the Headspace kids interacting with their Faraway counterparts, or vise-versa, whether it's the Faraway kids finding themselves in Headspace and interacting with the madness, or the Headspace kids finding themselves in Faraway Town and encountering Surprisingly Realistic Outcomes.
• Fanfic Fuel:
  • What happens after Sunny proceeds to tell his friends what happened to Mari is a popular concept to tackle. Hero is the most prominent example of this, with different interpretations of his reaction including him forgiving Sunny, him not forgiving Sunny, him being angry at Sunny but forgiving him over time, him lashing out at Sunny, etc.
  • A very popular storyline for fans to tackle is what Hero's college life is like, both before and after his visit to Faraway Town during the events of the game.
• Fan Nickname:
  • "Snuuy/Snuy" for Sunny, "Auby" for Aubrey, and "Babil" and "Bagel" for Basil, among others.
  • Omori from the Omoriboy comics is often called "Oldmori" by fans of the game.
• Fanon:
  • Sunny and Mari are often assumed to be Japanese-American, due to Mari’s name, their appearance, and Omocat herself being Asian-American. In these cases, they are usually given the surname "Suzuki" in fanfics.
  • A fair number of fanfic writers assume that Aubrey and Kel are only nicknames, with their real names being “Aubergine” and “Kelsey” respectively. Aubergine seems to be confirmed if this tweet by Omocat is to be believed. Kelsey comes from an early build where Kel had this name.◊
  • As it’s not explicitly confirmed in canon, fans often assume that Aubrey is wearing contacts in the Faraway segments, due to her suddenly having teal eyes when past pictures depict her with dark eyes.
  • Many fans like to imagine that Sunny's friends would witness him falling to his death from behind the hospital room's windows, during the bad ending of the normal route where Sunny commits suicide by jumping off the building's balcony.
  • A lot of fans generally interpret Kel and Hero's family to be Hispanic due to them having tanner skin than a lot of the Faraway townsfolk and having what appears to be an ofrenda in their home.
  • A good amount of fics view Basil as suicidal even before the start of the game's backstory, on account of the fact that he knew how to make a noose when he was 12.
  • The most prominent Animal Motifs assigned by fans are cats for Sunny and Mari, dogs for Kel and Hero, and bunnies for Aubrey and Basil — furthered by this official art. Basil is sometimes associated with goats, however.
  • Most fan art of post-good ending Sunny tends to depict him with an eyepatch and/or scar on his right eye (due to Basil cutting it), and/or having a gray-irised glass eye.
• Fountain of Memes: Kel is impulsive and hilarious enough for fans to joke that every meme that involves him in the slightest can be considered canon.
• Friendly Fandoms:
  • Omori fans typically get along well with fans of Undertale and Deltarune, owed to how all three games provide similarly offbeat dramedy takes on the JRPG formula. Also helping is the fact that Omocat is a close acquaintance of Toby Fox, who based the Undertale monster Woshua on her and gave a shout-out to Omori during the Undertale sixth anniversary livestream. Crossover fan content between Omori and Undertale/Deltarune is consequently fairly common.
  • There's also a respectable overlap with fans of LISA, due to shared themes and sharing the distinction of being successful big name commercial RPG Maker games. The two tend to get grouped together with other games as "EarthBound-inspired games about depression".
  • There are a small number of fans who are also fans of the similar yet niche Jimmy and the Pulsating Mass and recommend it to unfamiliar players, due to both being EarthBound-inspired indie RPGs with a cutesy exterior hiding nightmarish imagery and concepts.
• Game-Breaker: The Kel nuke strat: equip Kel with the Chicken Ball, make him Ecstatic, give him enough Coffee, proceed to use Run'n'Gun, and you'll see yourself dealing thousands of damage to the point of One Hit Killing pretty much everything. The console-exclusive boss rush bonus round, where you face Aubrey, Kel, and Hero, will use the same combo on you to obliterate either Basil, your only other party member, or Omori if you're unlucky enough.
• Genius Bonus: You might be wondering why the Slime Girl named "Medusa" is based on a jellyfish, instead of a snake or something more appropriate for the name. Turns out the Latin name of the subphylum to which jellyfish belong to is Medusozoa.
• Germans Love David Hasselhoff: Omori has become immensely popular in Japan, to the point of receiving pop-up shops, collaborations with popular Japanese merchandise brands, concerts, and even an upcoming manga adaptation.
• Harsher in Hindsight:
  • "My Time" by bo en played in the 2014 trailer, and people latched onto it as the overall anthem for the game with the sweet lyrics clashing against the trippy melody. It plays in-game during the worst ending when Omori has compelled Sunny to toss himself off a hospital, and the credits roll.
  • The 2020 trailer line "Everything is going to be okay" becomes much darker when it's revealed that the full context of the original line is Basil reassuring Sunny after they faked Mari's suicide.
  • At the beginning of the game, Kel asking Basil if they should just pretend he isn't there in order to act natural for his photos.
• Ho Yay:
  • The way that Basil and Sunny hold hands in shared tranquility while looking at photographs. It's even more telling that Basil's Sanity Slippage worsens when he finds out that Sunny and his mother are moving, and he's extremely hurt by the fact that his best friend is leaving him. Basil also couldn't comprehend that Sunny pushed Mari down the stairs, and is convinced that a monster named Something did it instead.
  • For those who don't dig Sunny/Basil for the same reasons many others do: Kel showing Sunny little besides kindness and affection, both in the present and back when he was a Bratty Half-Pint, him knocking on Sunny's door and trying to help him more than anyone else, and even him being stated by Sunny's mom to sound lonely; it all makes their Opposites Attract dynamic surprisingly sweet.
  • Many fans have also taken to shipping Aubrey and Kim together, due to the closeness of their bond and how much Kim cares about her compared to how the rest of the hooligans feel, how they both have a matching picture of themselves together by their bedsides, and how nearly all official art of them together can be read as at least a little romantically charged.
• Idiosyncratic Ship Naming:
  • Sunny/Aubrey is known as "Sunburn".
  • Sunny/Basil is known as "Sunflower", sometimes with an extra n.
  • Sunny/Kel is known as "Suntan" or "Caprisun".
  • Aubrey/Kel is sometimes known as "Baseball" or "Baseball Bat".
  • Basil/Aubrey is known as "Photobomb".
  • Sunny/Cris is known as "Sunfish".
  • Aubrey/Kim is sometimes called "Cotton Candy".
  • Basil/Kim is sometimes called "Honeysuckle".
  • Hero/Mari, while usually referred to as "Heromari", is sometimes called "Mario" jokingly.
  • Sometimes, ship names are created based off of the flowers Basil compares the others to in Headspace (aka "Roselily" for Hero/Mari because Basil compares Hero to a rose in the dreamworld and Mari to a lily of the valley, "Cactiflower" for Kel/Basil for their comparisons to cacti and sunflowers respectively, and "Cactulip" for Omori/Headspace!Kel because Sunny and Kel are associated with white tulips and cacti respectively).
• Incest Yay Shipping: Sunny is sometimes shipped with his sister, Mari, because of the latter's kindly demeanor and sense of humor playing to his quietness and their time joined at the hip, which fleshes out their bond more than Mari's with Hero.
• Iron Woobie: Kel is the least visibly affected of the group, having diminished the visibility and avoided his parents' negative attention with a cheerful front. Mari's death still hit him hard, and an optional scene reveals that he felt isolated and alone when the gang drifted apart and had to endure his brother falling into months of depression. That’s not even getting into his parents taking Hero’s side when Hero lashed out at Kel for trying to comfort him. However, despite all of that, he is the member of the group that has recovered the best and doesn’t let his pain keep him down or from trying to reconnect with Sunny.
• The Inverse Law of Fandom Levity: This is a cleverly disguised and surprisingly sad and depressing game which grapples with heavy topics like loss, grief, self-harm, etc. Despite this, fans are constantly making out-there shitposts like Kel being obsessed with burgers.
• Jerkass Woobie: Real-world Aubrey leads a gang of "Hooligans" and bullies Basil for apparently asinine reasons, stealing his precious photo album and dumping it in the trash afterwards. All of it is because she's been trying to cope with Mari's death and she falsely believed that the others in her childhood friend group just forgot about Mari, and she breaks down almost crying when she realizes the rest of the ex-group was trying to cope too after all and regrets mistreating Basil, Sunny, and Kel for all the wrong reasons, as her coping mechanisms were harming those three as well. She only wanted to take Basil's album away because the photos of Mari were all she had left of her, and she put in the effort to remove the permanent marker that she thought Basil had smeared all over the photos of Mari. In the ending where Basil kills himself while she, Sunny, Kel, and Hero are staying over at his house, she goes into a full-on Heroic BSoD, believing (mostly falsely) that her torment of Basil was what drove him to suicide.
• Launcher of a Thousand Ships: Sunny. While Basil and Aubrey are his most popular pairings, he's been shipped with pretty much every other character in his age group, namely Kel, Mincy, The Maverick, and Cris.
• Memetic Badass: Life Jam Guy, a Captain Ersatz of Kool-Aid Man, serves as a tutorial boss who teaches the player how to revive Toasted comrades. How does he demonstrate the benefits of his Life Jam? By curb-stomping your entire party before giving you free samples of the stuff. He also can't be defeated, even should you bring his health to zero, leading to the fandom hyping up Life Jam Guy as an unkillable badass and the most powerful character in the entire game.
  • Kel is sometimes depicted as this thanks to the infamous Kel Nuke strategy, the "every Kel meme is canon" joke, and his nearly unshakeable optimism in general. It isn't uncommon for fans to joke about him being one of the strongest characters in gaming, pitting him against similarly hyped-up characters such as Sans.
• Memetic Molester: Despite Mari being a Cool Big Sis and Nice Girl in canon, a somewhat popular portrayal of her, nicknamed Bad Touch Mari, makes her a sexual predator who gets inappropriate with the children of the friend group, often her brother Sunny, possibly due to this picture in the photo album◊ sort of looking like she's pressing Sunny's face into her chest. This sprite does not help. It's sometimes played for Black Comedy, or as sexual content, but it has also received fanfics that treat the concept completely seriously, with Hands and What She Did each making her a proper Complete Monster.
• Memetic Psychopath:
  • The fandom sometimes likes to portray Basil as an even bigger Yandere than he is in the game, going so far as to kill all of Sunny's friends if it meant Sunny wouldn't get in trouble.
  • By the same token, Hero is occasionally depicted as willing to kill Sunny when he learns that he killed Mari.
  • Sunny himself, given that he's willing to severely lacerate a childhood friend with a kitchen knife and later may empty a whole can of pepper spray into the eyes of that same childhood friend and her gang of delinquents. As this Youtube comment puts it:
    You thought I was the psycho with a knife. But fools! I am also the psycho with a pepper spray!
• Moe: The children of the Headspace group are particularly adorable: Omori is content to quietly hang with his friends, Aubrey is an all-around Girly Girl with a grouchy side, Hero is a calm and kind big brother to his younger brother, Kel is impulsive and easy to excite, Mari is a caring big sister to Omori who has a crush on Hero, and Basil is a gentle flower boy who wouldn't hurt a fly.
• Moral Event Horizon: Sweetheart seems to be vain and narcissistic, but she doesn't seem bad. That is, until it's revealed that she sentences anyone who crosses her to starve in her dungeons, and if you go deep enough, you'll find the skeletons of those who starved to death there. She imprisons those who do something as small as refuse to date her. As a result, the player is most likely practically cheering when either Humphrey eats her, or Perfectheart turns Sweetheart into her personal servant.
• Narm: In the final dream sequence, there is a part where the final two pictures of how Mari's death happened are picked up, finally spelling it out for the player. These incredibly shocking moments may be a little bit ruined by the sound effect that plays when you pick them up, which is supposed to sound like someone slamming all the keys on a piano at once, but sounds more like the Vine "boom" sound effect.
• No Yay: The pre-boss battle cutscene with the Slime Girls has some disturbing implications with them deciding whether or not to make the Headspace kids their "pets".
  • During the Three Days Left arc in Headspace, Sweetheart tries to marry Hero, who is 15 in Headspace.
• One True Threesome: It's rather popular for Sunny to be shipped with Basil, Kel, and Aubrey at once (nicknamed "Sunny Days") or a combination of such; Sunny/Basil/Aubrey, Sunny/Kel/Aubrey, and Sunny/Basil/Kel are often nicknamed "Burnt Sunflower", "Sunscreen", and "Sunkissed", respectively.
• Player Punch:
  • Deciding to not save Basil and go to bed results in this, especially if a Let's Player or Streamer is crying at this juncture. Basil stabs himself, and the friend group wakes up to find his body bleeding out in his room. Sunny immediately represses the tragic occurrence, with Hero telling him he should move away from these bad memories.
  • The Awful Truth of what caused the friend group to split up. As you gather the photos detailing how exactly Mari died, you learn that she didn't kill herself; Sunny did. Even though Sunny is only a Player Character, and her death is a backstory event with no playable component, it will feel as if you personally killed her years ago, as if you have been suppressing memories up until now. Especially if you named Sunny after yourself.
    Omori: You killed Mari. She loved you and you killed her.
  • Losing the final battle to Omori and choosing "No" after the Fission Mailed screen will result in not only Sunny dying to Omori, but also him taking over Sunny's body and committing suicide. And to make matters worse, bo en's "My Time", the song used in the first trailer, plays in the background as Omori plummets to his death. And it's all because of your choice.
• Portmanteau Couple Name:
  • Hero/Mari is most often referred to as "Heromari".
  • Kel/Aubrey is sometimes called "Kelbrey".
  • Aubrey/Kim is usually called "Kimbrey".
  • Basil/Kim is mainly known as "Kimsil".
• Realism-Induced Horror:
  • Kel is somewhat estranged from his parents. They always favored Hero over him, and it reached a breaking point where Hero made Kel cry for trying to comfort him about Mari's death, and their parents thought Hero needed more help. As a result, Kel is very curt with his mother, who is guiltily trying to be nice to him — such is a surprisingly down-to-earth depiction of a child growing distant from his parents as he comes of age.
  • The Final Boss fight. Take away the supernatural elements and it's basically a remorseful, suicidally depressed, and guilt-wracked kid trying to fight the belief that his past transgressions put him Beyond Redemption, that his friends will never forgive him if they find out the truth (something that the game intentionally leaves ambiguous in the good ending), and that he deserves to kill himself, and he does just that if you choose not to continue after being inevitably defeated.

• Ron the Death Eater:
  • Save for the named NPCs, the entirety of Faraway Town is hit with this treatment, basing off the interactions of the town people in the Aubrey fight on the first day. Plenty of stories characterize the town as cruel and overly judgemental.
  • The only bad thing Sunny's dad did in canon was walk out on the family, though that can be justified as a cruel reaction from grief. In many fanworks, he's portrayed to be a flat-out abusive parent, even before the incident. There is a Black Space segment where he tells Sunny "You are not my son", but it is not clear whether this is something he actually did or a hypothetical scenario.
  • Sunny's mom also sometimes gets a similar treatment. Like his dad, she is not entirely blameless — coming off as rather neglectful towards Sunny, leaving him alone in a house without power for several days with only a (possibly spoiled?) steak to eat, but her phone messages and flashback appearances seem to imply she does care for Sunny and it would be easy to explain her neglectfulness as a result of not being in the best place mentally herself. Some fanworks, such as this video, portray her as an outright abusive parent who wishes Sunny had died instead of Mari.
  • There's people out there who consider Basil to be an obsessive, possesive Yandere who chose the suicide cover up just to have Sunny for himself, just because he begs Sunny not to leave him alone again, choosing to ignore that he was as traumatized and shocked as Sunny, possibly mentally unwell long before the accident, and definitely being so afterwards; he chose to distance himself from Sunny after his shutting in, to the point of not knowing he was moving away until Kel told him, and that he was under heavy stress and grief after his grandma's implied death and it all culminated in his breaking down.
• Scrappy Mechanic: In Black Space, there is an obtuse Easter Egg in the Backyard Area and Raft Area that allows you to enter certain portions of Black Space 2. While nearly impossible to figure out on your own, it's still just an easter egg and not this trope. What is this trope is the fact that if you enter Black Space 2 this way, it starts to get covered in a nasty static, signifying that you're not supposed to be there. Except it's not scary, it just makes it nearly impossible to navigate the place and is difficult on the eyes.
• Self-Fanservice: Quite a bit of fanart tends to hike Faraway Aubrey's crop top up a few inches, especially when pairing her with Sunny, and it's almost impossible to find fanart of Hero where his Bishōnen and malewifey tendencies aren't exaggerated beyond belief.
• Spiritual Successor: A mentally-ill hikikomori who alternates between the real world and the dream world in his head, wields a knife for a weapon, goes through a bunch of doors housing Surreal Horror within, and can potentially kill himself, with one of those ways being to jump off a tall building? Sounds like a great Yume Nikki sequel.
• Starboarding: A common recurring fanon element for fans who don't ship Sunny and Basil together is that Basil has an unreciprocated crush on Sunny, which is why he's concerned with Sunny leaving him and why he once asked him if he had a crush on Aubrey.
• Stuck in Their Shadow: An example with the songs. "My Time" is the acclaimed song for the bad ending (especially since it was used as the trailer music), but "Good Morning" is not as popular despite being the ending song of the good ending; in fact, "Duet" is largely treated as the good ending song for its use in the climax over the actual ending song.
• Suspiciously Similar Song: "GOLDENVENGEANCE", the boss theme for Pluto (Expanded), sounds like a slower-paced version of "You are the Miserable" from Lanota.
• That One Achievement:
  • "Everyone's a Critic", although this one is not particularly hard, but tedious. It requires the player to watch all 10 movies at the theater in Sweetheart's castle. The problem is that when you watch a movie, the game will choose one of the 10 by random. Because of this, the game will repeat the same movies the player watched most of the time until a new movie comes in. Expect to take 30 minutes to an hour to get this achievement.
  • "Squizzard Exterminator" falls under the same category of "not hard, but extremely tedious" in that it requires you to kill 100 Squizzards. However, unlike the bunny killing sidequest, there's only one variety of Squizzard and encounters will only have two of them at most. Your only solace is that the Ranch offers an infinitely-respawning source of Squizzards.
  • "Universally Loved", which is the achievement for getting all the possible flowers on the good ending. The difficulty of this achievement is because it's a huge Guide Dang It!, as many of the sidequests are off the beaten path and easy to miss, and unlike the Headspace sidequests, you have to keep track of the Faraway Town sidequests on your own.
• That One Attack:
  • Halfway through the Slime Girls' health, they "do their thing" by swapping the party's Heart and Juice before throwing a bottle that hits everyone. If you've been very liberal with Juice consumption, this can easily Toast multiple party members at once.
  • Sweetheart's mace attack deals all the damage of her normal slap attack — to each member of your whole party, making it a major contributor to the difficulty of her fight.
• That One Boss: Sweetheart at the end of Three Days Left. Once her HP starts going down, she copies Space Ex-Boyfriend's gimmick and becomes permanently Happy for the rest of the fight and upgrades it as it goes on, thwarting any strategy dependent on her having any other Emotion and nullifying the attack boost you get from being Angry. Sweetheart’s worst attack is a nasty party-wide strike she uses often, and she also has a party-wide Angry-inducer, so if you can't switch emotions fast enough! she'll enjoy a damage advantage while also being a lightning-fast, Critical Hit-slinging maniac. All of this can be mitigated if you got some rain clouds before entering the Castle, but they and most other mood-altering toys are finite in number at that point in the story (you can only find two at most, and one requires defeating an Optional Boss in a very difficult and unintuitive way). You may end up needing to grind off the enemies in her Castle to even the playing field. And as if that was not bad enough, she reappears in the Boss Rush, with all her attacks souped-up, and is so difficult that the game feels the need to give you several Life Jams (the revival item) just before her battle (thankfully, rain clouds are plentiful at this point, negating her strongest suit).
• They Wasted a Perfectly Good Character: Neither Headspace nor Faraway Basil have as much screen time as his friends do, and he's not widely considered to be well-developed beyond a flower boy's gentleness hiding the consequences of his codependence on Sunny.
• Toy Ship: Any ships merely involving Omori and/or the Headspace versions of Kel, Aubrey, or Basil.
• Ugly Cute:
  • Mutantheart. For a botched slime clone, she's surprisingly adorable.
  • Boss, a huge round rhino-like creature, is also very cute in a non-traditional sort of way.
• Viewer Gender Confusion:
  • Basil is occasionally mistaken for a girl, as a result of him being a gentle Caring Gardener with a flower on his hair, as well as him having zero outwardly masculine features.
  • Charlene is a girl, but due to her massive size as well as her unisex nickname Charlie, it can be hard to tell at first.
• What Do You Mean, It's Not for Kids?: The game has some colorful worldbuilding and a cute, Animesque art style, so it looks decent for the kids to play. However, it deals with mental illness, isolation, and life-altering trauma — secretly in a setting more mundane than most of the RPG's ilk — thus being the single darkest work Omocat made.
• The Woobie:
  • Pretty much the entire main cast has suffered from some degree of trauma with regards to Mari's murder/faked suicide. Aubrey and Kel are also this, but under different categories:
    • Sunny completely shut himself off from the outside world and reality due to his guilt over accidentally killing his beloved sister and covering it up as a suicide. On all but one ending, he either kills himself or permanently shuts himself out from the outside world. If he saves Basil from killing himself, he gets stabbed in the eye and has to leave his best friends upon moving out of town.
    • Basil is utterly devastated by his guilt from helping Sunny cover up Mari’s death and is reduced to a fragile Nervous Wreck who is preyed on and bullied by Aubrey and the hooligans, albeit over a misunderstanding. He ends up attempting suicide over learning Sunny is moving away and due to his grandmother, implied to be the the one person keeping him stable, being hospitalized and likely passing away. Should Sunny save him, he stabs Sunny in the eye in an attempt to destroy his "Something".
    • Hero losing Mari, whom he had a crush on, led to him shutting down and refusing to eat out of grief. He also abandoned his dreams of becoming a chef and, while appearing to have moved on with life, he still struggles with Mari’s death.
  • Captain Spaceboy, mostly due to being dumped by Sweetheart and gets so depressed that his nastier alter-ego Space Ex-Boyfriend takes over. Even more so on the Hikikomori route, where he gets divorced with Sweetheart, becomes Space Ex-Husband, and moves to Snowglobe Mountain to die alone.
  • Rococo, since his life of hailing from a doomed planet and being Last of His Kind, and was Sweetheart's ex who was then confined to wander the walls of her castle.

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