About TIS-100

TIS-100 is an open-ended programming game in which you rewrite corrupted code segments to repair the TIS-100 and unlock its secrets. It's the assembly language programming game you never asked for!

  • Print and explore the TIS-100 manual, which details the inner-workings of the TIS-100 while evoking the aesthetics of a vintage computer manual!
  • Solve more than 20 puzzles, competing against your friends and the world to minimize your cycle, instruction, and node counts.
  • Design your own challenges in the TIS-100’s 3 sandboxes, including a “visual console” that lets you create your own games within the game!
  • Uncover the mysteries of the TIS-100… who created it, and for what purpose?