The playable demo of Voyager: Elite Forces from Raven Software based on the Star Trek universe and the Quake3 engine has been released. You can grab it over at FilePlanet. and of course here are the screenshots of the game.

Star Trek: Voyager - Elite Force is the ultimate, sci-fi first person shooter using the Quake III: Arena engine. The first game based on the Star Trek: Voyager universe, Elite Force pits players against a multitude of Star Trek enemies, including the relentless Borg and never-before-seen aliens, in intense single-player and multiplayer combat missions