Sonic Hill Climb is a time bound Hill climbing game unlike other similar games. Based on the laws of Physics, this game will make you crazy rush with an urge to cross different levels rush . control your bike to ride uphill and downhill and reach the destination within the specified time to unlock a new level. Get Bonus points for making Back and Front flips sonic. Collect coisns with sonic to unlock different characters and Bikes rush with unique upgrades and characteristics.