Content on this page requires a newer version of Adobe Flash Player. Get Flash. Happy Wheels Controls. Happy Wheels Cartoon Login · News! · Register · Problems Logging In. Happy Wheels is a bloody physics-based vehicle game. You will be given a real picture of how accidents can occur and lead to bone fractures, loss of. Happy Wheels, Go nuts in this physics based racing game. Use your skill to manoeuvre trough every level, but trust me you wont get far!.