GURPS Prime Directive (3E)

"Roleplaying in the Star Fleet Universe" GURPS adaptation of the Star Fleet Universe as interpreted by Amarillo Design Bureau. From the back cover: "Be a Vulcan. Command a Starship. Explore strange new planets. Defeat the Klingons. Confound the Romulans. Cheat the Orion Pirates at their own game. Uphold the Prime Directive, or ignore it completely!"