Xbox builds on 'Halo' effect

Seattle PI | at | by Mike

Millions of video-game enthusiasts will soon see if Master Chief can successfully defend Earth from an invasion of Covenant forces. The bigger question for Microsoft: Can he win the critical holiday battle against Sony and Nintendo?

Master Chief is the cybernetic star of "Halo 2," the follow-up to the best-selling video game for Microsoft's Xbox game console. Developed by the company's internal Bungie Studios, "Halo 2" is at the center of a broader effort by Microsoft to fuel continued interest in the Xbox three years after the console's launch.