Bad Time Simulator: Reimagined, Undertale Fangame

Sans Simulator by G_Sluke32 - Game Jolt

This Undertale/Deltarune battle simulator seems pretty nice. : r

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1000 GASTER BLASTER! - Sans Simulator (Gamejolt)

Custom Attacks For Bad Time Simulator - Colaboratory

Sans Simulator (russian edition) by air_games_studio - Game Jolt

Playing as Sans! Sans Simulator

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Bad Time Simulator Custom Battle) Timeline Rush by Nightingale071

Bad time simulator day seven! (Making it to the half-way point.) I actually managed to make it to his final attack twice! Link and description will be in comments! : r/Undertale