The most addictive physics based car racing & bike racing game for Christmas special is coming!Control your car or bike to climb hills with most realistic control, and face the challenges of unique uphill & downhill environments. Collect coins to upgrade your car and drive even more far.Features:- Lots of different vehicles.- Upgrade ENGINE, TIRE, SUSPENSION, ROTATION, GAS POWER, 4WD, etc- Numerous scenes with levels to reach in each.Come to join this this mad uphill climb racing game now!