Fans worldwide can experience a thrilling look at the most anticipated game of 2007 with a special 60-second ?Halo 3? trailer; Microsoft announces first chance for North American gamers to participate in the Halo 3 Multiplayer Beta by entering at Halo3.com Fans can tune in to ESPN on Monday, Dec. 4 between 5:50 and 6:20 p.m. PST to catch this stunning new look at ?Halo 3.? Additionally, the ad will be aired that same evening on Xbox.com at 8 p.m. PST /04.00 GMT/05.00 CET (Tuesday, Dec. 5).

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