If you don't own a Xbox 360 your options for playing Halo are limited to a copy of a couple of games ported on a PC. A project worth looking at called "Halo: Out With A Whimper," developed by Triblox is being created under Microsoft's Game Content Usage Rules, using assets from Halo: CE, Halo 2, Halo 3, Halo 3: ODST, and Halo Reach. As well as the game it includes a Forge level editor allowing for your own creations to be made and shared with community. There's also online stats showing kills and badges leaderboards.
A brand new demo has been released this week which you can see being played in a couple of videos below:
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