Xbox 360 Game: Call of Duty 4: Modern Warfare Game of the Year Edition for $17.54. In addition, receive $5 worthe of MP3 downloads from Amazon MP3. Here is a screenshot, along with a review of the game for your reference. Shipping is free on orders over $25. If needed, use this Filler Tool to pad the order to qualify for free shipping. Alternatively, it is also available at Walmart for $17.54 with free site-to-store shipping. This game usually goes for about $39.