Handy if you have one of the listed games and don't like it,(See picture).
Offer applies to titles listed on Xbox 360 format only. No other titles or formats apply. All games must be in original packaging, in good working order and of satisfactory quality. Trade-in offers are open to members of the public only and GAME reserves the right to refuse any offer to anyone believed to be representing a trade buyer. This offer can be withdrawn at any time without prior notice. This offer cannot be used in conjunction with any other offers in store. Online offers may vary. This does not affect your statutory rights.
For some reason the link to the 'poster' isn't working, I tried it from the Game website and my photo bucket account :S
You'll have to click the link to see it then, I'm too tired to list the titles that apply to the offer.