The world's top Spartans will finish the fight for a grand prize of $200,000 this weekend at PAX Prime in the Halo 4 Global Championship Finals, Microsoft announced today.

If you're at PAX Prime, Microsoft is hosting the event in Benaroya Hall from 11 a.m. to 5 p.m. PST until Sunday. If you're unable to attend, the rounds leading up to the finals will be streamed on TwitchTV today from 11:30 to 4pm PST. Spectators eager for the the final rounds can watch tensions mount via a livestream on Xbox Live and HaloWaypoint.com starting at 4 p.m. PST. The stream will be hosted by Major Nelson, Blair Herter and Jessica Chobot.