Play Thunder Cars racing game. Compete in various circuits of increasing difficulty in this competitive racing game. Drive your car using the up arrow to accelerate, the left and right arrows to turn, and the X key to apply your boost, which recharges over time. Complete each lap in the race in as little time as possible in order to improve your score and pass other competitors. Upgrade your car using money earned from completing races to increase its speed and maneuverability. Customize your car in the paint shop to immortalize your place on the leaderboards.