.Return to Ringworld is a sequel to the previous "Known Space" game. Like its predecessor this game is a point and click adventure/puzzle solving game.
After saving the puppeteer race from extermination and uncovering some powerful ancient technology on the first game, Quinn, Seeker of Vengeance and Miranda Rees find themselves searched as fugitives by all three major species, so they go to Ringworld to hide. Once in Ringworld they'll try to uncover some evidence to clear their names, but they stumble across another universe-threatening plot. This time U.N. general Carson Teal is out to rule the universe by uncovering Ringworld's secrets, and you must stop him