Try your luck in one of the most challenging bike games online free. Use WASD or arrow keys for cycling and somersaulting. Start from a cross-desert extreme ride on an ordinary bicycle, complete tasks and earn money to upgrade your vehicle. Switch between 6 different worlds to face all obstacles of uphill and downhill bike race on 26 tracks. Ride the bike across lunar and craters, lava fields, dune and ice slopes. Unlock 20 different characters and earn a range of achievements. If you are up to the challenge, this racing game might become one of your favourite action games.