*NO PURCHASE NECESSARY TO ENTER OR WIN IN THE "GAMESTOP® POWERUP REWARDS™ HALO PLASMA RIFLE SWEEPSTAKES". Open to legal residents of the 50 US & DC, 18 or older. Void where prohibited. Sweepstakes starts 4/1/17 and ends 4/30/17. For Official Rules, which govern, and details on how to enter without purchase, completing Xtra Points profile, or a GameStop® PowerUp Rewards™ Member account, click here. Sponsor: GameStop, Inc.