xkcd: Hoverboard (0)
One of the few interactable comics made on www.xkcd.com. In this game, you can explore a static world by moving around on your hoverboard using the arrow keys. There are coins throughout the world that can be collected and brought back to the coin deposit near where you start.
More information can be found at http://www.explainxkcd.com/wiki/index.php/1608