Description, walkthrough, how to play in this game:Do you think you are good biker? Let's check it out. Ride your bike over dangerous mountains. Upgrade your skill and try to unlock 12 levels in this game. You must ride careful but not too careful. Don't forget make some back-flips to complete the level. Before you start - select level (it's a first level for newbie players). (Control keys of this game you can see above)