A fast moving game in which each player is the pilot of a Self-Propelled Interstellar Vehicle (SPIV) seeking a (slightly dishonest) fortune in a dangerous part of space known as Quadrant 13. The object is to move from spaceports to planets where aliens are located and collected and then transported back to spaceports to be sold. This task is made more difficult by the numerous hazards in Quadrant 13 and the abilities of the aliens, which range from irritating to absolutely deadly!