The Adanaxis Control Demo shows the control method intended for the forthcoming 4D game. It's a long way from a full game but it is playable. You can move around, shoot things and they will blow up, all in four spatial dimensions. Colour is used to handle the extra dimension. To aim in 4D, once the target is in the centre of the screen, hold the mouse button down and move the mouse left to right until the target is white. The press the space bar to fire, and you're away. There's a fish-eye scanner (Tab key) if you get lost.