 Players must align those spheres into rows of three of the same color, horizontally, vertically or diagonally.Once a sphere has landed in the playfield, and if it is not blocked by another sphere, the player may highlight it and drag it to another location by holding the button and moving the joystick.At the start of the game, the player may choose to start at level 1 (beginner), level 5 (expert) or level 10 (advanced).