Thought this was pretty damned cool...  from http://www.gamedaily.com/xbox/article/?id=9774&CMP=AFL-RSS.

"Master Chief rendered in glorious 2D

The 2D, fan made Halo Zero is now available! It is not am officially licensed product, or as the developers say on their own website, "Halo Zero is a fan game, without commercial goal! Halo is a game of Bungie and Microsoft."

Halo Zero can be downloaded here.

by David Radd"