The Aliens Vs. Predator multiplayer demo is now available to download on Xbox Live and Steam.
The multiplayer demo gives access to all three species - the Colonial Marine, the Predator and the Alien - and Deathmatch mode on Refinery, one of the game's multiplayer maps.
A PlayStation 3 demo is due to arrive on PSN this afternoon.
A video of the game's Infestation multiplayer mode went up this morning.