Make the color ball fall, change the column and throw it up to form a group of at least 3 vertical ones so they disappear. You can play alone, against the machine or against a human player. | Arrow keys left/right to move to left/right; arrow key down to drop the balls, arrow key up to throw them up. In 2 players mode, the second player uses the A-S-D-W keys to perform the same actions. |