moved to marketplace forum for visibility There is a multitude of maps that could apply to the various aspects of a sci-fi game, whats your preferred starting point? Alien worlds, star ship interiors, space system backgrounds? While the marketplace can't hold copyrighted material you should be able to find suitable proxies for Tatooine, Coruscant, Endor and the like easily enough. With some more details there are some truly amazing members of this community who will be able to point you in very specific directions for sure :)