★★★One of the most challenging motorbike games in history★★★You have to drive the motorbike through series of deadly tracks located in deserted mountains, avoid obstacles and try to get as many coins and trophies as possible to reach the top rating!!★ ControlThe game is operated through simple Screen touches, which control the vehicle to accelerate and break. Shake the phone to adjust the balance through gravity sensor!★ N2O accelerationN2O acceleration can help you complete impossible missions which normal acceleration can’t get through. But you have very little N2O storage at the start, don’t miss the full N2O recovery item!★ RatingCollect all the coins and trophies to reach 3 star rating and become the grandmaster of cold mountain tracks!!★ FeaturesCool MotorbikeImmersive sceneryVarious obstaclesSensitive gravity sensing systemN2O acceleration60 challenging levels