If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Ride your motorcycle over jumps. Enhance your bike as you progress to make harder jumps.
Left / Right Arrow Keys - Lean in the air or wheelie on the road.
Up Arrow Key - Speed Up.
Down Arrow Key - Slow Down / Brake.
A, S, D, Q, W - Aerial Tricks.