The evil gods of Chaos tend to use fear and the promise of power immortality to motivate their warriors, but it turns out all they really need is an experience system and a linear series of unlocks. THQ are setting out to prove this with a new lump of paid DLC for Space Marine's recently added co-op survival mode, Exterminatus.
Space Marine: Exterminatus
The Exterminatus mode for Space Marine will be available as a free download on October 25, Eurogamer report. Exterminatus will add two co-op arenas, Assault on Hab Center Andreas, and Escape from Kalkys Facility. In each of these up to four marines must fend off increasingly brutal waves of enemies made up of Ork and Chaos enemies.
Each member of the squad can choose to be Tactical Marine, a Devastator or an Assault Marine, and will be able to use perks unlocked in multiplayer to gain an advantage over the AI controlled hordes. Kills in Exterminatus will give you experience that will level up your characters in competitive multiplayer, too. Teams will be rated in each round based on their performance. Point multipliers and "dynamic challenges" aim to keep the survival maps fresh.