Microsoft and Bungie today officially announced Halo 3 will be available to gamers around the world starting September 25 and will release in Europe on September 26, 2007. Microsoft already expects Halo 3, the final chapter in the FPS Halo trilogy, to shatter day-one entertainment sales records when it is released worldwide beginning Tuesday, September 25.

Microsoft Game Studios will today kick off the Halo 3 Multiplayer Beta, which gives gamers worldwide with an exclusive, early look at some of the multiplayer elements of Halo 3 on Xbox Live. (There’s a short delay with Crackdown.)

Microsoft also announced a special edition Zune: Halo 3 Edition digital media player inspired by the hugely successful Halo franchise. On shelves next month, the Zune-Halo 3 edition comes loaded with a collection of Halo content, including videos, soundtracks, trailers, ads and artwork.