Tetris

Clear full rows for points; every 10 lines raises the level and drop speed. High score is saved in this browser.

Controls: ← → move, ↑ rotate, ↓ soft drop (+1/cell), Space hard drop (+2/cell). P toggles pause. Scoring: 1/2/3/4 lines = 100/300/500/800 × current level (common web rules).