Interesting, Vista exclusive and internally developed. o­ne could read a lot into that.

Master Chief Dual-Wields His Way to Windows Vista

“Halo 2,” the award-winning sequel to the instant classic “Halo: Combat Evolved” to make its PC debut o­n the Windows Vista platform

February 9, 2006 -- ”Halo 2,” the game that redefined first-person combat and multiplayer action for millions of gamers worldwide, is set to explode o­nto PCs exclusively for Windows Vista. ”Halo 2” for Windows Vista will be developed by a dedicated Microsoft Game Studios team in partnership with Bungie Studios.
Only for Windows Vista, "Halo 2" will offer gamers both the single-player campaign and multiplayer experience of the original, as well as the additional maps offered in the “Halo 2 Multiplayer Map Pack.” Gamers will also have the exciting opportunity to build, create and customize their own multiplayer levels.

“Halo: Combat Evolved” and its sequel, “Halo 2,” have achieved phenomenal success o­n the Xbox video game platform as gamers around the world follow the saga of Master Chief in his battle against the Covenant forces. In 2003, the original “Halo” roared o­nto Windows PCs. In “Halo 2” for Windows Vista, the action picks up where the first game ended. Master Chief, with the help of a small group of marines, has destroyed the religious artifact and artificial world known as “Halo,” and is making his way back to Earth. There, he and the last surviving Earth forces will mount a titanic struggle against the marauding Covenant enemy. To date, the Halo franchise has sold more than 14.5 million games worldwide with over 600 million hours of multiplayer action logged across Microsoft’s Xbox Live o­nline gaming service.

About Bungie Studios

Bungie Studios was founded in 1991 with two goals: to develop games that combine brilliant technology, beautiful art, intelligent stories and deep gameplay, and then sell enough of those games to achieve its real goal of total world domination. Over the past 10 years it has produced games such as the “Marathon Trilogy,” the first two “Myth” games, and the “Halo” franchise, hailed as classics by critics and gamers around the world. Released in 2004, the award winning “Halo 2” for Xbox has achieved phenomenal success and has sold more than 7.3 million units worldwide. More information o­n Bungie can be found at http://www.bungie.net/.