Buy 2 games get 1 free. All that you do is put all 3 games in your shopping cart and it automatically makes one of them for free.
http://www.bestbuy.com/site/olspage.jsp;jsessionid=ALR0B1U2XAHMNKC4D3HVAFI?type=category&ref=39&loc=01&id=pcmcat92900050023
http://www.bestbuy.com/site/olspage.jsp;jsessionid=ALR0B1U2XAHMNKC4D3HVAFI?type=category&ref=39&loc=01&id=pcmcat92900050023