It'll be available on March 18 for the PC, PS3, and Xbox 360, for 560 MS Points or the equivalent in Colonial credit. Two more multiplayer maps are included in the pack, as well. Hive: Deep in the heart of the Freya’s Prospect Refinery lays the Xenomorph Hive.Outpost: The site of the original Weyland-Yutani colony on BG-386 was abandoned, and soon reclaimed by the planet’s voracious jungle plant life.It was further refined by the game's expansion pack, StarCraft: Brood War. The first DLC for AVP, appropriately called the 'Swarm Map Pack', adds two new Survival mode maps that were previously available only to those that purchased the collector's edition of the game. psionic alien race with futuristic lasers and energy beams. As with all similar modes, a variety of maps makes a big difference, and more will soon be available. Similar to Gears of War 2's Horde mode, Survival puts you in the shoes of a squad of Colonial marines, taking on wave after wave of Alien invaders. Predator wasn't designed from the ground up for co-op, but there's still a good co-op experience to be had in Survivor mode.

Alien swarm map pack