In case you didn’t know, the full version (version 2) of Happy wheels is finally here. Create, load, and replay all the levels. Many custom levels are added by users everyday. The iOS and android mentioned by the developer’s blog is coming soon.
Shift + Ctrl + z to eject - Secondery actions.
Space = Primary action - after ejecting: grab.
Left arrow (<- ) = Lean Back.
Right arrow (->) = Lean forward.
Down arrow = Decelerate.
Up Arrow = Accelerate.