Mad Racing Super Speed is a racing game in which players compete in racing events around the world in a variety of different fashions. Players can compete in single players, earning credit to buy more cars and upgrading your cars. Another game mode is Free Roam, where you can test your car around a mountain track. 13 Cars 5 Tracks Performance Upgrades Realistic Car Controls Keys N - nitro Up - Accelerate Down - Brake/Reverse Right Left - Control Gamebread "Live to Play"