GOG announces they are giving away free copies of Aliens vs Predator Classic 2000 for 48 hours to reward players who help them beta test Galaxy, their new DRM-Free online gaming platform. Here's the deal:

Aliens vs Predator Classic 2000, a suspenseful Sci-Fi first-person shooter with three very different single-player campaigns, one for each species, and a frantic multiplayer mode, is available FREE for 48 hours on GOG.com, as a part of our GOG Galaxy beta tests!

Aliens vs Predator Classic 2000 features the Colonial Marine, Alien and Predator Campaigns and the frenetic single-player Skirmish mode from the original title: Alien Versus Predator Gold Edition, which was released to massive acclaim in 2000. It's been updated for modern systems and includes support for Xbox 360 Controller. The three most ferocious species in the universe in a bloodthirsty battle for the ultimate prize: survival. Take your pick: be a Colonial Marine, a Predator or an Alien. Fight through suspense-filled environments: from starships and space stations to colonial bases and eerie planetscapes. One wrong move turns you from hunter to prey. Deathmatch, Species Deathmatch, Predator Tag, and Cooperative modes avait for you in the multiplayer section!

How to get the game for free? Simply sign up for the next stage of GOG Galaxy beta tests and an e-mail with your activation code will be sent to you within the next few days. You'll be helping us to analyze and improve the performance of the multiplayer component of GOG Galaxy, our DRM-free online gaming platform, by playing this acclaimed dynamic first person shooter! The game will be added to your account and yours to keep forever. Don't wait - you can only sign up until Friday, October 17, at 9:59AM GMT.