Use the keyboard A, W, D, S or arrow keys Left, Up, Right, Down, and mouse button - if the game description "Go Karts HD" is not stated otherwise.
Go Karts HD
Description: Get racing in Go Kart HD. Take on 3 other racers across 4 tracks as you race for the Go Karts HD championship. Each level will get harder so keep your wits about you when taking corners and straights. Watch out for the other racers, as they seem to think this is a contact sport. Do you have what it takes? Drivers, to your vehicles!