A demo version of "Happy Wheels" is available for play at the Silver Games website. Typing "Happy Wheels" into the search bar brings up a direct link to the game. The "Happy Wheels" game page on Silver Games also provides a direct link to the full game at TotalJerkFace.com.
The demo version of "Happy Wheels" allows playing of the game and limited access to the level editor, as of 2015. The level editor allows users to create unique levels for the game. In the demo version, users cannot save custom levels. The full version of the game allows saving of custom levels. Users can also play custom levels submitted by other "Happy Wheels" players.