Happy wheels game is actually opposite to its nomenclature.No character of the game actually seems to be happy.A different type of game present online to play.Must play for at least one time after that you will play it again.
Arrow UP: Accelerate
Arrow DOWN: Reverse accelerate
Arrow LEFT: Lean Backward
Arrow RIGHT: Lean Forward
SPACEBAR: Primary Action(After Ejecting: GRAB)
SHIFT and CTRL: Secondary Action
Z key: Eject