Which species is the toughest you ask? Find out as the Aliens vs. Predator Swarm Map Pack is now available on Xbox LIVE Marketplace, PlayStation Store and STEAM. The Aliens vs. Predator Swarm Map Pack features 4 new maps that were only available in the Special Editions.

Pit species vs. species in two new maps for six different online multiplayer modes, Docks & Machine! Or team up with your fellow colonial marines in a desperate attempt to keep the Alien hordes at bay in two new survival mode maps, Outpost & Hive.

The Swarm Map Pack is available now for $6.99 at the PlayStation Store and STEAM or the Xbox Live Marketplace for 560 Microsoft Points!