“LineRider is a nifty little flash game released at DeviantArt.com. It is wildly addicting to some people. I myself play it obsessively.
LineRider is a basic flash game. In fact, it is not really even a game since there are no real goals or objectives.
You draw a black line on a white background and press play. A little stick figure fella on a sled pops out of nowhere land and sleds down your new line you just drew.
Seems pretty basic and silly right? True, to a point.”
Matthew L. King, October 2, 2006
King cites this amazing example of what someone (with too much time on their hands) can do with this simple idea:
And you can go make your own, here:
http://www.deviantart.com/deviation/40255643/
just found some cool line rider videos on http://www.lovelinerider.com
you d better check it out. they also have other version of line rider.