Tetris

Controls ← → move (hold to repeat fast), ↑·X rotate clockwise, Z rotate counter-clockwise, ↓ soft drop, Space hard drop, C·Shift hold, P·Esc pause. On mobile: tap the board to rotate, drag sideways to move, drag down to soft drop, flick down for a hard drop, flick up to hold. Standard SRS rotation, 7-bag and a 5-piece preview; 1·2·3·4 lines score 100·300·500·800 × level, with bonuses for T-spins, back-to-back, combos and perfect clears.