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 PLAY NOW monsters wheels · Monsters' This is the free demo version of Happy Wheels with 10 levels and 3 different vehicles. If you want to. 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! Pingball Wizard Happy Wheels · Sponge bob levels: Happy · Whack Your Boss 2.