Happy Wheels is an extremely popular action game with some racing elements developed by Fancy Force.
In Happy Wheels, you get to control a person in a wheelchair, bicycle or Segway. In order to make your way to the end of each level, you will have to get past all the obstacles hindering you.
In this game, players who race to the finish line are far more likely to see their vehicles crash and their characters horribly disfigured, mutilated or dismembered. If that is something you're into, you can just play Happy Wheels like an action game.
Controls: Z = Eject, SPACE = Primary Action, Shift & Control = Secondary actions.