With the new release under development by 'Bungie Studios', Microsoft Game Studios are helping out with what should be a very interesting project for both groups.

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.

I'm looking forward to seeing this upon release.