Club Nitro Play these working flash games or read this if game doesn't load Club Nitro Club Nitro is a free online car racing game. You have to win the races to unlock new cars or upgrade your cars. Related Games:ATV Offroad ThunderMini Cars RacingAdo Stunt Cars 2ATV BlitzDangerous Speedway CarsPolice DummiesThe Champions 07Futuristic Racing 3DSpy Car