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mdr
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Puzzle

3D Tetris (CyTris)

Cylindrical Tetris. Ring-clear algorithm in Three.js.

Controls

  • rotate around the cylinder← →
  • soft drop
  • hard dropSpace
  • rotate piece
  • holdShift

Hint

Pieces wrap around the cylinder. Clear full rings, not rows.

Tips

  • · Click anywhere on the frame to lock keyboard input to the game.
  • · Page scroll keys are intercepted while playing.
  • · Click outside the frame to release the keyboard.
  • · Open fullscreen for the standalone experience — with a way back.