Halo, as first released on the Xbox gaming console.
Death by intelligence.
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Eurogamer Previews PC Halo
TankRamp at Battleground: Halo has pointed out a preview of PC Halo by Shinji over at Eurogamer. Read up!
GameSpy Garners Gameplay Goodness
The first video of single-player action on Halo PC has been put up at GameSpy's FilePlanet; it's a 158.8 Mb zip file. (No idea yet what kind of media file is in there, but I'm guessing some kind of Windows Media.)