Unknown Worlds Entertainment, Inc. today announced plans for Natural Selection 2, a sequel to its Natural Selection game for Half-life. Natural Selection 2 is the next wave in the war for survival between humankind and the Kharaa. Natural Selection 2 is the next evolution in multiplayer action/strategy gameplay and will be targeted for both competitive and public play. New features include dynamically changing environments, a new resource model, flexible game scripting and modes, and new weapons, abilities and upgrades. Natural Selection 2 will be a stand-alone commercial game for release on VALVe software"s digital distribution service called Steam https://www.steampowered.com. Natural Selection was released on October 31st of 2002 and since then has been played by 300,000 players for over a billion player-minutes. It won Gamespy"s Mod of the Year and became the most popular independent "mod" for Half-life. Natural Selection v3.1 is available for download free from the Natural Selection site https://www.unknownworlds.com/ns. Unknown Worlds Entertainment, Inc. is a self-funded independent game company based in San Francisco, CA.