simple! To be able to share the experience of a rocket launch to space with another person, a landing on a planet, building a space station, and just generally being able to share in discoveries and exploration of our universe even if its fictional with near future BELIEVEABLE tech and with all the trials and tribulations of successes and failures that make us human. EDIT: Also as far as the accuracy of multiplayer everybody talking about how multiplayer would work. Man there is no way you