Cube is a Cybertronian sport resembling the primitive, barbaric Earth sporting ritual known as rugby. It involves pursuing a, er, cube, filled with Energon and with rudimentary artificial intelligence. Yes, this means the ball—er, cube—really does have a mind of its own. Teams consist of six players to a side, four in robot mode and two in vehicle mode, and the objective is to hold on to the energon-filled cube for a set amount of time, at which point it allows the player to absorb the energon boost inside as their team scores a point.