If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
This is a game about tricks, jump courses, racing and exploration. Gain experience by doing tricks and completing missions.
Arrowkeys or (WASD) - turn,accelerate, brake.
Left-Right - Controls rotation
Mouse motion controls the trick wheel
Mouse click performs currently selected trick
Space bar - tweak trick.