On phones: swipe ⬅ ➡ to move, tap to rotate, swipe ⬇ to drop, swipe ⬆ to hold.
Shapes made of four blocks fall from the top of the board. Move and rotate them so they fit together. A full horizontal line disappears and gives you points, and clearing more lines at once gives bigger bonuses. The pieces fall faster at every level.
| Left / right | Move |
| Up / Space / Z | Rotate |
| Down | Drop faster |