Freelancer Stargate is actually Freelancer Freelancer Battle for Mankind with some modifications.
May contain backups at other ways of freelancer, ie: Freelancer WTS-4-17-final-final, 88 FTK Freelancer, Freelancer Discovery 4.85, Freelancer Battleshi
Credits: You have to make some changes. I mean go on ... \ Freelancer \ DATA \ SOLAR and Asteroids folder to move it in a folder called 1 porma copy mode you have removed from the archive.
http://www.celest.dublu.ro