84		Space Rogue (Windows, 2016)
83		Descent: Freespace - The Great War (Windows, 1998)
83		Wing Commander: Secret Ops (Windows, 1998)
83		Wing Commander: Prophecy (Windows, 1997)
83		Wing Commander IV: The Price of Freedom (DOS, 1996)
83		Freespace 2 (Windows, 1999)
83		Star Wars: X-Wing Alliance (Windows, 1999)
82		Independence War: The Starship Simulator (Windows, 1998)
81		Epic (DOS, 1992)
81		Frontier: Elite II (DOS, 1993)
81		Space Rogue (DOS, 1989)
81		Darkstar One (Windows, 2006)
80		Battlecruiser Millennium (Windows, 2001)
80		Parkan II (Windows, 2005)
80		Starglider II (DOS, 1989)
80		Dark Horizon (Windows, 2008)
80		Spaceforce: Rogue Universe (Windows, 2007)
80		Wing Commander IV: The Price of Freedom (Windows, 2007)
80		Advanced NetWars (DOS, 1997)
80		Terminus (Windows, 2000)
80		Forced Alliance: The Glarious Mandate (Windows, 1997)
80		Parkan: The Imperial Chronicles (Windows, 1997)
74		Drifter (Windows, 2014)
74		Robocraft (Windows, 2014)
74		Kinetic Void (Windows, 2014)
70		RiftSpace (Windows, 2004)
70		Phoenix (Windows, 1999)
63		Lacuna Passage (Windows, 2017)
53		Gravon (Windows, 2013)
53		Lunar Flight (Windows, 2012)
53		Star Conflict (Windows, 2013)
53		Entropy (Windows, 2017)
53		Galactic Junk League (Windows, 2017)
52		G-Police (Windows, 1997)
51		AquaNox (Windows, 2001)
51		Stellar 7 (DOS, 1990)
50		Sandwarriors (DOS, 1997)
50		Darklight Conflict (DOS, 1997)
50		Tau Ceti: The Lost Star Colony (DOS, 1987)
50		Forbes Corporate Warrior (Windows, 1997)
50		Phantasm (DOS, 1988)
50		Galactic Command: Echo Squad (Windows, 2007)
50		Combat Spatial: La Collection (Windows, 2001)
50		Echelon (Windows, 2001)
50		Hyperspace Invader (Windows, 2006)
50		Freespace 2: Dimension Pack (Windows, 2000)
50		Descent: Freespace - Darkness Rising (Windows, 1998)
50		Drift: When Worlds Collide (Windows, 2002)
50		AquaNox 2: Revelation (Windows, 2003)
50		Hardwar (Windows, 1998)
50		Ice & Fire (Windows, 1995)
50		The Last Starfighter (Windows, 2006)
50		Void War (Windows, 2004)
50		Starglider (DOS, 1987)
45		RaidersSphere4th (Windows, 2015)
43		Hellion (Windows, 2017)
43		Vostok Inc. (Windows, 2017)
42		Nimbatus: The Space Drone Constructor (Windows, 2018)
42		Memories of Mars (Windows, 2018)
42		Good Morning (Windows, 2018)
40		LineWars (DOS, 1990)
40		Xenocide (DOS, 1990)

Notes: Games similar to Interstellar Rift, Games like Interstellar Rift, Split Polygon, Split Polygon, Windows, Action, Simulation, Sci-Fi, Futuristic, City Building, Construction Simulation, Sandbox, Open World, Shooter, 1st-person, Space Flight, PC, Game Similarities.