Cosmos Quest I: To Find a Sun is sci-fi point-and-click adventure game. It is set in Yellow Fog Galaxy, somewhere on the bridge between the Rhomul System and the peripherical rings of the Federation. The sun slowly fades out under submission of a black hole that no one knew before. Performing his duty as an engineer part of a crew that observes the temperature of the sun, Apo Lanski, controlled by the player, notices a problem with the shuttle when he starts his night shift. He decides to land on the small planet Zhena.
Using the controls "Walk", "Talk", "Do / Get", "Use" Apo Lanski has to save his space station from Ayatolian Spys. He will be kidnapped and needs find a way to get back on the station.