From the back of the box:
The Darkness Awaits...
Fight the secret battles of WWII as you undertake the ultimate mission - assassinate Adolf Hitler! Confront Nazis, vampires, zombies, and the most unspeakable horrors mankind has ever known.
Dark Forces Collide
Face Hitler's occult legions with magic and the powers of werewolf transformation.
Specialized Cover Tactics
Coordinate your formations, use the terrain, and master squad-based Cover Tactics to destroy any obstacle.
Enlist up to 3 of your comrades to join in the fight over Xbox LIVE.