Undertale AU
87 stories
you can't fix this dream (dreamswap nightmare)  by Moonwolf_230
Moonwolf_230
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nightmare was getting tired of his (not brother) dream trying kill him every single day. just because he in crime list with is group cross and error. Nightmare can't trust error or cross Nightmare knew they were working for dream. nightmare had eaten a negative apples when they fallen. nightmare didn't want dream to notice some negative apples falling so he putt them in special bag and burry them so noone knew there was negative apples under them. nightmare fell strong eating one but he wad oh way carefully. he hear his morther to not eat too much and he promised but sometimes promises can be easy broken after your near your point of snapping. Nightberry ship Plus best friend with orginal in my universe bad sans too!
Tiny [Undertale Omniverse Traveller] by DeadEnDead
DeadEnDead
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Chaotic babybones Tiny is searching for his twin brother, who he's pretty sure was also thrown somewhere out into the omniverse. He's not going to let anything get in his way. "Oo, what's that? I wanna bite it--" If only he'd stop getting distracted by the cool things the weird multiverses out there have to offer. ~~~ OC Babybones Vantablack / Apple!Ink named Tiny wants to find his brother, but is an easily distracted chaos gremlin. [His brother's path is in a separate book called Firefly] Inspired by @philippaki 's writings Cover doesn't want to update :c
Romper lazos [Dreamswap] by PinguinorRojo
PinguinorRojo
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Cross, después de la destrucción de su AU por su culpa, decide ir a comenzar una nueva vida al reino del sol ¿Qué podría salir mal? [Crossmare] Y aquí con mi necesidad de añadirle lore a todos los AU's que me gustan, bueno, cabe aclarar que hay cosas aquí que NO son canonícas e historias que no tienen mucho que ver con el AU original, así que no tomen esto como canónico ni mucho menos! [Portada hecha por mí]
☾︎•𝑬𝒏𝒕𝒓𝒆 𝑳𝒖𝒛 𝒚 𝑶𝒔𝒄𝒖𝒓𝒊𝒅𝒂𝒅•☽︎ by oluli-katsunao
oluli-katsunao
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⚠︎𝐚𝐝𝐯𝐞𝐫𝐭𝐞𝐧𝐜𝐢𝐚⚠︎ ᴇsᴛᴇ ʟɪʙʀᴏ ᴇsᴛᴀ ʜᴇᴄʜᴏ ᴘᴀʀᴀ ᴇɴᴛʀᴇᴛᴇɴᴇʀ ᴄᴏɴᴛɪᴇɴᴇ: 𝕌𝕟 𝕡𝕠𝕔𝕠 𝕕𝕖 𝕞𝕒𝕝𝕒 𝕠𝕣𝕥𝕠𝕘𝕣𝕒𝕗𝕚𝕒 𝕝𝕖𝕟𝕘𝕦𝕒𝕛𝕖 𝕞𝕠𝕕𝕖𝕣𝕒𝕕𝕠 sʜɪᴘs ᴇɴ ᴇʟ ʟɪʙʀᴏ: ☁︎𝕔𝕣𝕖𝕒𝕞☁︎ ♧︎︎︎𝕤𝕨𝕒𝕡𝕕𝕦𝕤𝕥♧︎︎︎ ❀𝕀𝕟𝕜𝕖𝕣𝕣𝕠𝕣❀ ☕︎𝕟𝕚𝕘𝕙𝕥𝕜𝕚𝕝𝕝𝕖𝕣☕︎ ఌ︎𝕙𝕠𝕣𝕣𝕠𝕣𝕝𝕦𝕤𝕥ఌ︎
Una pesadilla en Empireverse  by Rurik-diamond
Rurik-diamond
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solo una cosa Nightmare x todos NØ ĀDĀPTĀÇĪØNĘS
Core the Apple by DevEmrys
DevEmrys
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Nightmare has grown weary of the constant strife between himself and his brother. Every time he manages to fuel the ever-persistent need for negativity in his system, Dream and his friends immediately sap it out of him. So, Nightmare has decided he was done. If they believed the multiverse was better without negativity, he was okay with that. He'd well descended past apathy years ago. (AMAZING COVER DONE BY CALCIUM-CAT.https://www.tumblr.com/blog/view/calcium-cat )
Run From The Angel by Bad_Sanses__
Bad_Sanses__
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An angel have fallen from the paradise realm . He seems like an angel, walk like an angel, talk like an angel... But he's not. Everyone that come near him would die from over powered positivity. He seems like an innocent angel that falls from the heaven ... But no one knows that he's an insane , obsessive angel that fell from his world to find his dearest demon. #1 in Swad - 21/2/2023, 4/5/2023 #1 in Swadmare -21/2/ 2023, 4/5/2023 #3 in UndertaleAus -2/3/ 2023
Runaway (Dreamtale AU) by WeirdLookingCat
WeirdLookingCat
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(Official cover to be added-) Nightmare gets chased out of the village leading him to end up in a new and much different village that seems much better. While he misses his brother, he just can't bring himself to go back so maybe he could make a new home here? (Runaway!Nightmare AU for the soul)
A helpful Guide on becoming the villain by Virus_bOi
Virus_bOi
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In summary you wake up as nightmare. And of course it wouldn't be the one and only original nightmare. No- Like your a prince now? A prince foretold to bring this era towards destruction? You try to do good,but misunderstandings and being in the wrong place at the wrong time leaving you struggling. Not to mention your brother ends up taking credit for everything you do. ... Perhaps you should embrace your role-become the villain? " We'll stay by your side Nightmare!" .. What the hell Art by Paper su!
Un nuevo rey by dinosaurio1622
dinosaurio1622
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"-Hare lo que sea por volver a nuestro reinado, no existe un precio tan grande ni una consecuencia tan dolorosa...-" "-¿No me reconoces? yo soy el resultado de tus acciones." "-Todos, cada una de esas almas, lamentando el día en que se volvieron contra mi gente." Si me vas a copiar la idea al menos da créditos. Los personajes no son de mi propiedad. Relaciones homosexuales.