Specifically, gamers will be able to receive an invitation by doing one of the following:• Qualifying over Xbox Live and then being one of the first 13,333 “Halo 2” gamers to register for the “Rule of Three” program at http://www.halo3.com in early February• Purchasing the upcoming game “Crackdown™,” which hits store shelves in the U.S. on Feb. 20The “Halo 3” multiplayer beta, which is a pre-release version of the multiplayer experience of “Halo 3,” is scheduled for availability in spring 2007 exclusively on Xbox 360™. The beta also represents an opportunity for gamers to participate in the testing and refinement of the multiplayer gameplay of “Halo 3,” the most anticipated game of 2007. Through the resulting feedback, Bungie Studios will be able to further hone the end result of “Halo 3.”