⚠ PHOTOSENSITIVITY WARNING

This game contains intense flashing lights, rapid colour changes and heavy visual distortion. A small percentage of people may experience seizures when exposed to such patterns.

Every effect can be lowered or switched off at any time from Options → Visual Intensity, or with T during play. SOBER MODE removes strobing and warping entirely.

↑↓ select ←→ change ENTER confirm

←→ adjust ESC back

MUSIC

Four tracks by Dark Star Emperors. Snow Crash plays on this screen; the rest come up in a random order once you are in a game.

    KEYBOARD SETUP

    Select an action and press a new key. ESC cancels · DEL clears the alternate binding.

      CONTROLLER SETUP

      No controller detected — press any button on your DualSense / Xbox pad to wake it up.

        HIGH SCORES

          CREDITS

          ACID TETRIS — a modern remake, rebuilt from scratch in Canvas2D + WebGL.

          • Engine, renderer & shadersvanilla JS · WebGL1 · Canvas2D
          • Rotation systemSRS · full wall kicks · 180° · T-spins
          • Randomiser7-bag
          • MusicDark Star Emperors
          • Sound effectsprocedural WebAudio synthesis
          • ControllersDualSense & Xbox via the Gamepad API, with rumble
          • Inspired bythe original Acid Tetris freeware classic

          Tetris® is a trademark of Tetris Holding, LLC. This is a non-commercial fan reimplementation of the falling-block genre, released free under the MIT licence.

          PAUSED

          GAME OVER

          THANKS FOR TRIPPING

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