With use of a promo code.
Add Link: http://www.gamestop.com/Catalog/productDetails.aspx?sku=281253
to cart, or any other cheap new game you want.
Then Link: http://www.gamestop.com/Catalog/ProductDetails.aspx?product_id=
to cart
Then type in promo code b1g1halfoff
If you are having trouble getting promo code to apply, I had better success
adding the $5 game, then adding a pre-owned red dead redemption, using promo
code, then add black ops and removing red dead redemption, which results in
the $30 total for the $5 game as well as Black ops.
