Sonic Hill Climb Racing 2 Boom

Play in full-screen
Description:
One of the most addictive and entertaining physics based driving games ever made! And it's free! Meet sonic ,the young aspiring uphill Moto Racer. He is about to embark on a journey that takes him to where no ride has ever been before. From Ragnarok to a Nuclear Plant, all places are a racing track to Bill. With little respect to the laws of physics, sonic will not rest until he has conquered the highest hills up on the moon!
Instructions:
respect to the laws of physics