Prime Directive (role-playing game)

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Prime Directive

Prime Directive, 1st edition
Designers	Mark Costello (PD1), Timothy D. Olsen (PD1), Gary Plana (GURPS), Jonathan Thompson (PD20)
Publishers	Amarillo Design Bureau Inc, (formerly)Task Force Games
Publication	1993 (1st edition) 2002 (GURPS edition) 2005 (D20 edition) 2008 (D20M edition)
Genres	Science fiction (Star Trek)
Systems	Custom, GURPS, D20, D20M, Traveller

Prime Directive is a role-playing game set in the Star Trek-derived Star Fleet Universe. The game has gone through two different incarnations.