Frito Lay Promotion - 2 Week XBL GOLD Trial and 2 XBLA games (Toy Soldiers & The Maw)
* The gold trial is only for SILVER "Free" Gamertags and cannot be redeemed if you already have GOLD. Stated that only 1 trial per gamertag.
The codes are printed on the outside of the bags of chips. While each of the required codes are unique, they can be redeemed an unlimited # of times by either hitting the back button on your browser or filling out the redemption form from scratch. If you want both games just hit the back button and choose the game you didn't pick the first time around. So technically, the codes from the bags of chips can be used by anyone an unlimited # of times. Finally, the promotion stated that you they'll being doing this again in June 2013 with different XBLA games.
Frito Lay Xbox Promotion web site: http://www.chargeupyou