Starfaring (1st edition)

Starfaring is a game of interstellar exploration for two or more players who will interact verbally to imaginatively create their own universe while they are playing. Set in a star-spanning human culture of approximately 700 years hence, it can be what you, the players, are will to make of it in terms of visualizing the society of the future. --author's description Note: Starfaring was the first science fiction roleplaying game published.