Simple :
1990 : Wing Commander
1992 : Wing Commander II: Vengeance of the Kilrathi
1993 : Wing Commander: Privateer
1994 : Wing Commander III
1995 : Wing Commander IV : Le Prix de la liberté
1996 : Privateer 2: The Darkening
1997 : Wing Commander: Prophecy
2015 : Star Citizen
That's all.