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Bad Time Simulator

Skill Added Jul 15, 2026
Game ready
Click inside the game to use keyboard controls
Game guide

About Bad Time Simulator

Recreate Undertale’s notorious Sans battle by guiding your SOUL through bone barrages, gravity shifts, platforms, and Gaster Blaster beams. Learn the full fight or isolate troublesome attacks in practice modes, using scarce healing turns while karmic damage drains health.

How to play

  • arrow keys to move the soul and navigate menus
  • z or enter to confirm
  • x or shift to cancel
undertale-fangameboss-fightbullet-hellpattern-dodgingpixel-artdifficultpractice
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