W, S, A and D to move player one. Up, Down, Left and Right to move player 2. Right click to go fullscreen.
Touching your arm against your opponent causes you to grab them for two seconds, beat them around as much as you can while they are paralysed.
R will reset the stage, Y will turn grabbing off, B turns off bullettime, J turns on flying, 0 - 2 changes stage. (2 is the city, 0 and 1 are test arenas) O sound on/off
Requires the Unity Web Player : Download for Windows or go to http://unity3d.com/unity-web-player-2.x.html