Yes, it has finally happened. After two long years of waiting, Infinity Ward’s latest installement in the Call of Duty franchise, Modern Warfare 2, is finally available for purchase on retail stores everywhere. Although I’m certain there are many fans out there who have already purchased their copy and are already at home “pwning teh n00bs,” for those who haven’t picked it up yet, Gamestop is currently running an excellant deal. In return for trading in two old games when making your purchase, you can pick up a copy of MW2 for only $20. Considering the list of qualifying games is quite large and includes some surprisingly old games, this could be the perfect opportunity for some gamers to maximise the trade-in value on games they no longer play in order to save themselves a cool $40 on a new game.

In addition to the $20 Modern Warfare 2 promotion, Gamestop is also running a separate, but similar, $20 promotion on the following games:

-Halo: ODST
-Brutal Legend
-Assassin’s Creed 2
-Tekken 6
-Uncharted 2
-Dragon Age: Origins
-Smackdown vs. Raw 2010

For more details on this promotion, go here. Both promotions end 11/22.