To play Happy wheels, first click "PLAY DEMO" and start by selecting a section from the left menu. The characters in the game are the man in a wheelchair, a man on his head, a father on a bike with children behind him, and the last character in a shopping cart. Each of these characters has been designed to advance through very challenging tracks. Without harming yourself and directing your characters to overcome all obstacles you want to complete the game. The game is a fun game with 3d graphics.it also fires with the SPACE key after turning the rocket connected to the wheel with CTRL key. Z key to throw itself with the goal of the game can continue until the head of your character snatch, but if the head breaks the game that ends the trades.Because of that you have to choose most suitable character for the game part.