AUs (Alternate Universes) are fan created stories involving concepts and characters of Undertale and its sister series, Deltarune. They’re mostly variation of those two games, though there are some that deviate wildly from their source materials.
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Color! Sans -
Sans/The Thought -
Undertale: Call of the Void -
Storyshift -
Sans/Altertale -
Horrortale -
Bad Monday Simulator -
Sudden Changes
All items (174)
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Sands Undertable
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Sans.exe
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Sans/Altertale
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Sans/Crazedtale
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Sans/Critical Error
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Sans/Dust In The Rain
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Sans/Extratale
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Sans/Losttale
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Sans/Sudden Changes/Puppet Changes Sans
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Sans/The Author
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Sans/The Final Ending
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Sans/The Thought
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Sans/Undercontrol
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Shinigami
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Snasn Undertable
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SoulBound
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Specter/Notiontale
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StarBreaker!
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Stockfish Sans
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Storyfell
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Storyshift
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Storyshift (Reboot)
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Storyswap
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Storyswapfell
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Sudden Changes
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Supertale
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Swapfell
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Swapping The Edgyness
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Swapswap
T
U
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Ultimate Sans
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Under The Experiments
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UnderCharm
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Underfell
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Underforest
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UnderLockDown
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UnderLord
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UnderMadness Frisk
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Underpants
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UnderPlague
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UnderRain
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UnderSlumber
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Underswap
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Undertale 2 (Aka Underdog)
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Undertale: Call of the Void
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Undertale: Cold War
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Undertale: Legacies
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UnderTales From The Resistance
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UnderTheControlPoint
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Undertomb
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UnderVanquish
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UnderVow
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Underwater
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Underworld
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File:UNDERWORLD SNAS Sprite V.1.png
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UTAUFMafia
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UTAUFTale
