» GURPS Prime Directive    Star Fleet Universe role playing game in the empires of Star Fleet Battles.    http://www.starfleetgames.com/prime/index.htm

» Ogre Cave    GURPS Prime Directive core rulebook review by Matthew Pook.    http://www.ogrecave.com/reviews/gurps_prime.shtml

» Prime Directive Online    Defenders of the Faith online roleplaying campaign.    http://www.primedirectiveonline.com/

» Steve Jackson Games    How to use the core Prime Directive rulebook in a GURPS game.    http://www.sjgames.com/gurps/books/primedirective/