The game is a typical tower building game. But you can play alone or with a friend, competing for dexterity.
When playing single player, the goal is to build as many blocks as possible.
When playing for two, the goal is to place the last block
Controls on computer: hold down the left mouse button to start moving, release to stop moving.
Controls on a smartphone/tablet: touch the screen and hold to start moving, release to stop moving..