The Freespace developers released the source code to Freespace 2 (a game from 1999) in 2002 when they were bought by another studio. That game has since become

The Freespace developers released the source code to Freespace 2 (a game from 1999) in 2002 when they were bought by another studio. That game has since become the gold standard (imo) of space flight simulators and the engine and graphics have been improved every since as Freespace Open so it still to this day feels like a AAA title. http://scp.indiegames.us/ http://scp.indiegames.us/