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Underswap is one of the many alternate universes (AUs), or retellings, of Undertale, a role-playing video game made by indie developer Toby Fox.
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  • new page Underswap
    created by Nicool350
    New page: Underswap is one of the many Alternate Universes, or AUs, of Undertale, as well as one of the most famous ones. In this AU, as indicated in the name,...
    Summary: Described a bit what the Alternate Universe is and the point of it. Also talked about some cannon or non-cannon character-swaps in the game
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