This deal has ended.
Amazon offers "buy one get one 50% off select video games" for Wii, PS3, XBox360, and Nintendo 3DS. The game with the lower price will be discounted. Among the most popular games you'll find Metal Gear Solid 4 (pictured), Fallout: New Vegas, Bulletstorm, and more. Shipping is free on orders of $25. Only KS, KY, ND, NY, and WA charge sales tax.