15. Battlefield 3 (Xbox 360 / PS3 / PC)

Click Here To Buy It Now At Amazon, $47.87 

Battlefield 3 is one of the best modern combat simulators available today, and it's been vying for top spot against Modern Warfare 3 all year. The jury is still out on that rivalry (it'll likely remain there), but if your gamer giftee likes large-scale shooting games with multiplayer and vehicles, this one's for you.