Instructions and controls: Finish all levels to win. You can perform stunts to receive more points and to fill up your nitro bar. When the nitro bar is full, you automatically get faster for a limited time. Collect money and special bonuses along the way. Complete your mission to unlock the next stage. Move your biker using the up and down arrow keys. Lean the bike with the left and right arrow keys. Hit the space bar to jump. Use the number keys 1-5 to perform some stunts.