Microsoft just kicked off a new giveaway called the Halo 3 For 3 Sweepstakes. By entering, you’ll get the chance to win all sorts of free swag such as the Halo 3 Legendary Edition, Halo 3 Special Edition Xbox 360, and more.

Round 1 of the sweepstakes started today, so point your browsers to Xbox.com and sign-up. Each round runs for a few weeks, so don’t forget check back for Round 2 and 3, giving you the chance to win even more prizes. Keep in mind the contest is open to US residents only.

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