Match four or more tiles of the same colour to clear them from the grid. Tiles can only be moved by rotating groups of 4 clockwise around the central spin button. Two game play modes are included: Time Attack - play against the clock with unlimited moves Limited Moves - take your time, but you must optimise your strategy The game gets progressively harder as more colours are introduced. Also, bomb tiles must be cleared quickly else they explode and leave behind black tiles that can only be cl