Description: Match at least 3 blocks horizontally, vertically or diagonally to collect them. Do not allow the blocks to stack up to the top of the play area. Use Arrow Keys Left and Right (or A and D) to Move incoming blocks left or right. Arrow Key Up (or W) Swap blocks around in the current figure. Arrow Key Down (or S) Move incoming blocks down. Esc - Pause. Space - Drop the current blocks.