How to Play
Arrow keys / WASD move and rotate, Z rotates back
Space hard drops, C or Shift holds, M toggles music
Touch: tap to rotate, drag to slide, flick down to drop, flick up to hold
Arcade power-ups (keys 1/2/3): B = Bomb (3x3 clear), R = Row Blast, N = Nuke (3 rows), S = Slow (15s), I = Flat Piece (I-piece next), C = Color Bomb