1 - 20 of 58 Works in Chara-Centric (Undertale)
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Summary
Frisk has done it: Monsters live on the surface. But somebody else remained in the underground.
When returning to Mt. Ebott, Frisk finds somebody else that shouldn’t be alive anymore, and with Toriel insisting that they’re family now, tries to figure out why Chara remembers things she doesn’t.
Will mercy be enough this time to save a person who seems to see themself as beyond saving?
Can everybody be a good person, if they just try?And what does all of this have to do with an alien, his human rival and determination itself?
At its core, this is an Undertale story about Frisk and Chara.Fandom-blind friendly: No prior knowledge of Invader Zim required. This crossover uses Invader Zim as support, not the main focus. All you need to know is:
Zim is an alien (Irken) trying to conquer Earth. Dib is a conspiracy kid who tries to expose Zim.Regarding the genders: This story uses feminine pronouns for Frisk and Chara as part of this AU’s characterization. Their gender does not affect the story, so feel free to read them as they/them.
Fully written with updates every 1-3 days.
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Anti-ControlTale by MEDVEDUYM
Fandoms: Undertale (Video Game), Deltarune (Video Game), Undertale Yellow (Master Sword Video Game)
10 May 2026
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"What happens when a mastermind strategist is trapped in the body of a twelve-year-old girl?"
Nick is a genius, a tactician, and a pathological liar. After a chaotic soul fusion with Chara, he finds himself in a body he didn’t choose, living a life he didn’t ask for. While the Dreemurr family sees a child who needs protection, Nick is busy playing a high-stakes game of chess against destiny itself.
He’s not here to be a hero. He’s here to regain control. Whether it’s bluffing his way through scientific debates with W.D. Gaster or struggling with a body that betrays him at every turn, Nick will do whatever it takes to survive.
Anti-ControlTale: A story of identity, 22nd-century tech bluffs, and the brutal reality of being a man stuck in a vessel that isn't his own.
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We're awake in the world that fell asleep by girlof_themonth
Fandoms: Undertale (Video Game)
19 Apr 2026
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Chara has moved away into a new town, and they seek isolation away from their parents at the park near their new house. Here, they meet the person who will give their life meaning.
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Chara está viva, pero no entera.
Sus reflejos llegan tarde. Su cuerpo guarda cosas que no deberían existir. Y mientras intenta sobrevivir a una rutina nueva entre escenarios, cicatrices y silencios, el mundo a su alrededor insiste en pedirle que siga adelante como si nada estuviera roto.
Acto I - La Vitrina - Glass Crown
Series
- Part 1 of Glass Crown
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Chara shares their plan with Asriel, expecting him to keep quiet.
He... does not. So the Dreemurr parents decide to finally get Chara some long needed therapy with Dr Gaster as said therapist.
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It's DR. Gaster, so I had fun with the idea of him being a doctor in the psych/medical field too!
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Monster university is hard! by Random_genshinfan
Fandoms: Undertale Yellow (Master Sword Video Game), Undertale (Video Game), Deltarune (Video Game)
09 Mar 2026
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Chara, Frisk, Clover, Asriel and the souls all go to the same university and they are friends.
But what about their struggles?
(NOT ABANDONED I SWRAR, SCHOOL IS JUST EATING MY ASS)
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Surely, nothing can go wrong with reviving eight dead children by Kittany_the_Fox
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game)
04 Mar 2026
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Out of sheer determination, Frisk decides that Asriel will not turn back into a souless flower. They also decide to revive the seven other fallen children, including their own personal narrator. Determination is a wonderous power, isn't it ?
Surely, nothing could go wrong with this.
But of course, as simple as life through the eyes of a child (who had at one point unfathomable power in their hands) is, it isn't to the numerous grown ups around. Much to every human child's dismay, they are taken in by the human government soon after monsterkind is freed. It is said to be temporary, the time for them to undergo medical exams and to find their remaining relatives yet.
None of the fallen children appreciate the ordeal, as expected. One more than the rest.
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After yet another genocide run, Chara is left alone with their thoughts for perhaps...too long.
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Our promise to keep by IGotBeesInMyRectumAndTheyStingingMeHelp
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game)
26 Dec 2025
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When Clover came back, Chara thought they'd never come back to Mount Ebbott. They'd probably forget about them in a week. As it turns out, Clover has unfinished business. They did seem like one to keep a promise, anyways.
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Growing Pains by deltakris
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game)
30 Nov 2025
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In which Chara has to learn to live with what they hate.
Chara has yet to learn how to accept change. Whether it be good, bad, or something else, they've always preferred monotony. Soon, they'll have to face reality, and see the world for what it really is. They'll have to learn to accept themselves and those they disparage for who they truly are. They'll have to learn to love themselves, and allow themselves to be loved. They'll have to learn that an idle life is a wasted one.
Though…
They'll deny the truth, deny that anything has to be different, deny that the universal truths that they've taught themselves simple aren't. Their feelings will lie to them; disguise themselves. Fear as hate; false as fact; destruction as protection. Yet in the end, it will be for not.The problems Chara will soon face are what we like to call 'Growing Pains.'
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"Oh, you misunderstand! I'm not from your Underground. I'm from another timeline, you see," the stranger says, which doesn't make a lick of sense. "You didn't answer my question. Is your brother dead?"
"Yes. My mother, too," says Chara.
"Great!" The monster exclaims, making Chara's eye twitch. "Then you're the prime candidate!"
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A story about grief, friendship, and Undertale fangames.
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Genocidal Ideation by WritingsFromTheVoid
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game)
12 Nov 2025
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Chara always hated humans. Well, not exactly “always”, but ever since they could remember they have. For this reason, they fled from humanity. And for this reason, when given the chance, they destroyed their entire world. They are untouchable now, above everything else…
Clover was a normal kid, or well, as normal as anyone who dresses up as a cowboy can be. But they’ve always held human life in high regard. So they fell into the heart of the earth to figure out what happened to so many kids before them. In there, they learned that monsters were real, and in there they learned that not all life held value.
When these two met, it went about as well as you’d guess. But they didn’t meet to fight, and a teenager has big, big plans for them.
ACT ONE: The Device Hunt
(Oh, also, pt 1 is not required to understand this. Some elements will come up again, but for reasons I won’t spoil, most of it will be retconned)
Series
- Part 2 of Epiloguetale
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Chara and their father, a century and six dead human children later.
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It had seemed like the end of the world, at the time. Having to tell your parents that you were an interloper in Frisk’s body and the truth about your and Asriel’s deaths was your worst nightmare. You were convinced that you had just ruined yours and Frisk’s lives.
10 years later, you wondered why you were even worried in the first place.
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Chara grows sick of the human repeating the same bloody path over and over. They decide to revise the deal's terms, and from now on will themself back to life thanks to the SOUL's DETERMINATION to follow the kid to ensure themself a different path will be taken.
They come to regret that hasty decision pretty fast. Seemingly, no plan of theirs is ever really thought out.
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Frame and Hinges by Sailor_Cinna
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game)
12 Aug 2025
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“You uh… wanna get up now? We’d kind o’ planned to meet up at 12… I don’ mind waitin’ but I really wanna get goin’ soon. The food’s gonna get cold…”
Chara saw Clover study their face. It didn’t move. They frown. They frown. When was the last time Chara had seen that? They never frowned. When they were upset, their face fell blank. They’ve seen them angry, happy… afraid. But genuinely upset? Sad? It tore them apart knowing they had caused Clover to frown after so much time without. Their following words hurt worse.
“I can’t.”
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Chara can't seem to get out of bed. Clover makes it to where they don't have to.Series
- Part 1 of Cocoapowder yay :3
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Chara and Flowey are watching Frisk trying to make sure nothing goes wrong.
Of course, as the duo are busy with that, mistakes can be made and the duo is forced to adapt to strange circumstances and keep Frisk safe.Undertale by Toby Fox (duh)
Please read the first book first. This will make very little sense if you don't. The second one... doesn't matter so much.Series
- Part 3 of Memorytale
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Ways in which something without a SOUL can love.
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Chara muses about their relationship with Frisk over time.
(Or: is it gay to be fueled by an ardent fasciantion with eachother?)
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You are wracked with a perverted sentimentality. by Anonymous
Fandoms: Undertale (Video Game)
18 Apr 2025
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Aka my take on Chara during the genocide run based off my interpretation of their chara-cter (haha) with canon hints and the narrachara theory!!
Also Chara literally says the title in canon if you commit genocide twice in a row
Series
- Part 1 of Aw shit my UT phase is back
- Part 1 of Dreemurr Family Centric!!
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When Chara wakes up from a nightmare, they reach for the knife. Frisk has another idea.
Series
- Part 4 of Grow your anger, eat your fears