- Four new multiplayer maps. Map Pack #2 includes Battleground (an abandoned town scattered with rubble from ruined buildings), Lost Technology (a tribute to 8-bit games), Ruins, (ancient ruins set amidst a lush jungle), and Ice Drop (a glacier with plenty of peaks, nooks, and crannies)

- DirectX 10 enhancements. Specialized DirectX 10 Geometry Shaders improve overall visual quality through better depth of field effects and improved motion blurring and fur shading.

- Chat system. A new chat feature includes four default messages that can be sent to other players from the game lobby or while playing.