Drive around, collect all green adrenaline balls and go to the exit as fast as you can. This is a exciting motorcycle racing game, the lane is a long abandoned mountain trail. Sounds like a challenge. If you like to play the driving category games, do not miss this game! Driving through the forest, steep mountains, miscellaneous trees will be trampled by you all! Be the fastest man! Have fun with Adrenaline Challenge on 10 different maps.