Named Game of the Year by over 50 publications, Valve's début title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
USS DARKSTAR Alpha Team Special Hands and various NPC's from the mod of the same name.
It looks interesting, I would like to know how to implement it. It would be interesting to talk with Renard or someone else from the authors.