* Now includes Survival Pack content!
* A.I. technology: The advanced artificial intelligence drives both friendly and unfriendly creatures to dynamically create intense single-player, co-op, and multiplayer experiences every time the game is played.
* Expansive environments: Battle across twenty different maps with ten distinct weapons across four sprawling campaigns.
* Online matchmaking: The matchmaking, stats, rankings, and awards system drive collaborative play.
* Designer's Commentary mode: Activate this mode for a unique "behind the scenes" look at the development of the game.