Purchase two video games (select titles only) from Best Buy and receive a free $40 gift card.
XBOX 360 and PS3 Titles:
- FIFA Soccer 13, WWE 13, Madden NFL 13, Need for Speed Most Wanted, Assassins Creed III, Epic Micky 2 (Wii version also eligible), Hitman Absolution, et al.
Halo 4 for Xbox 360 is also on the list among other game such as Just Dance 4.
Best Buy links expire after a while so try this link (copy and paste in browser):
Additionally, you can just go to the Video Games category on the Best Buy website.