Though its only available to LIVE members in the U.S. Microsoft will begin offering prizes, in cooperation with Old Spice, for earning Gamerscore. There are three different levels based on your score once the challenge begins.

• Level 1 (0-4,999)
• Level 2 (5,000-9,999)
• Level 3 (10,000+)

All you have to do is increase your Gamerscore by 1,500 from February 12 to April 12 and you have a chance to win a prize. So get your games lined up and get ready to unlock some achievements.

Click HERE for all the details.