99		X: Rebirth (Windows, 2013)
99		Privateer 2: The Darkening (Windows, 1997)
99		Wing Commander: Privateer - Gemini Gold (Windows, 2005)
99		Elite (DOS, 1987)
99		Elite Plus (DOS, 1991)
99		X4: Foundations (Windows, 2018)
99		Privateer 2: The Darkening (DOS, 1996)
99		Freelancer (Windows, 2003)
99		X³: Terran Conflict (Windows, 2008)
99		Vega Strike (Windows, 2002)
85		Evochron Alliance (Windows, 2005)
84		The Tomorrow War (Windows, 2006)
84		Starshatter (Windows, 2004)
84		Elite Starfighter (Windows, 2004)
83		Independence War 2: Edge Of Chaos (Windows, 2001)
80		Xiphos (DOS, 1990)
78		Spaceforce: Rogue Universe (Windows, 2007)
76		Frontier: Elite II (DOS, 1993)
75		Darkstar One (Windows, 2006)
72		Wing Commander: Privateer (DOS, 1993)
71		Space Rogue (DOS, 1989)
70		Pioneer (Windows, 2013)
70		Nomad (DOS, 1993)
70		Space Rogue (Windows, 2016)
70		Wing Commander: Privateer (Windows, 2011)
55		Babylon 5: I've Found Her - Danger and Opportunity (Windows, 2003)
55		Parkan II (Windows, 2005)
54		RiftSpace (Windows, 2004)
53		Star Wars: X-Wing (DOS, 1993)
51		Battlecruiser Millennium (Windows, 2001)
50		Phoenix (Windows, 1999)
50		Dreadnought (Windows, 2018)
50		Terminus (Windows, 2000)
50		Scavenger SV-4 (Windows, 2018)
50		Starglider II (DOS, 1989)
50		Star Trek: Klingon Academy (Windows, 2000)
50		Elite: The New Kind (Windows, 2000)
50		Deep Space: Operation Copernicus (DOS, 1987)
50		Outpost Zero (Windows, 2018)
50		Lunar Explorer: A Space Flight Simulator (DOS, 1986)
44		Homeplanet: Playing with Fire (Windows, 2004)
43		Escape Velocity Nova (Windows, 2003)
43		Homeplanet (Windows, 2003)
40		Frontier: First Encounters (DOS, 1995)
40		Hellion (Windows, 2017)
40		PaulPaul: Act 1 (Windows, 2018)

Notes: Games similar to X³: Reunion, Games like X³: Reunion, EGOSOFT GmbH, Enlight Interactive Inc., Windows, Action, Simulation, Sci-Fi, Futuristic, Real-Time, 1st-person, Bird's-eye view, Space Flight, Simulation - Space trading and combat, Cider, X: Beyond the Frontier, PC, Game Similarities.