83		Freespace 2 (Windows, 1999)
82		Drifter (Windows, 2014)
81		Star Conflict (Windows, 2013)
80		Hyperspace Invader (Windows, 2006)
80		Battlecruiser Millennium (Windows, 2001)
80		Darklight Conflict (DOS, 1997)
70		Phoenix (Windows, 1999)
70		RiftSpace (Windows, 2004)
54		Warmada (Windows, 2016)
54		Space Rogue (Windows, 2016)
53		Interstellar Rift (Windows, 2015)
53		Wing Commander: Prophecy (Windows, 1997)
53		Wing Commander IV: The Price of Freedom (DOS, 1996)
53		Descent: Freespace - The Great War (Windows, 1998)
53		Wing Commander: Secret Ops (Windows, 1998)
53		Star Wars: X-Wing Alliance (Windows, 1999)
52		Independence War: The Starship Simulator (Windows, 1998)
52		G-Police (Windows, 1997)
51		Space Rogue (DOS, 1989)
51		Epic (DOS, 1992)
51		Frontier: Elite II (DOS, 1993)
51		Darkstar One (Windows, 2006)
51		Lunar Flight (Windows, 2012)
50		Parkan II (Windows, 2005)
50		Galactic Command: Echo Squad (Windows, 2007)
50		Wing Commander IV: The Price of Freedom (Windows, 2007)
50		Independence Day (Windows, 1997)
50		Advanced NetWars (DOS, 1997)
50		Parkan: The Imperial Chronicles (Windows, 1997)
50		Starglider II (DOS, 1989)
50		Forced Alliance: The Glarious Mandate (Windows, 1997)
50		Spaceforce: Rogue Universe (Windows, 2007)
50		Dark Horizon (Windows, 2008)
50		Terminus (Windows, 2000)
50		Void War (Windows, 2004)
50		Freespace 2: Dimension Pack (Windows, 2000)
45		Vostok Inc. (Windows, 2017)
44		Nimbatus: The Space Drone Constructor (Windows, 2018)
43		RaidersSphere4th (Windows, 2015)
40		Final Duel 2: Deathmatch arena (Windows, 2002)

Notes: Games similar to Entropy, Games like Entropy, Artplant AS, Artplant AS, Windows, Action, Simulation, Sci-Fi, Futuristic, Sandbox, Open World, Shooter, 3rd-person, Other, Space Flight, PC, Game Similarities.