Crazy Hill Driver. Climb the highest hills and try to master all courses in this fun racing game! Start with a tractor and drive as far as you can. Collect coins on your way to buy upgrades and go even farther. Unlock cool new racing vehicles and more and more challenging tracks the further you progress. Doing stunts can earn you great bonuses, but make sure not to flip over! This game is one of the driving games on Round Games. Enjoy and have fun in playing this game.