99		XCOM: Enemy Unknown (Windows, 2012)
94		Sid Meier's Civilization: Beyond Earth (Windows, 2014)
85		Skyshine's BEDLAM: Redux! (Windows, 2016)
84		Skyshine's BEDLAM (Windows, 2015)
71		Call to Power II (Windows, 2000)
68		Sid Meier's Civilization VI (Windows, 2016)
63		Sid Meier's Civilization V (Windows, 2010)
58		X-COM: UFO Defense (Windows, 2007)
58		X-COM: UFO Defense (DOS, 1994)
55		UFO: Afterlight (Windows, 2007)
54		Aggressors: Ancient Rome (Windows, 2018)
54		Dominions 5: Warriors of the Faith (Windows, 2017)
53		Commands & Colors: Ancients (Windows, 2018)
53		M.A.X.: Mechanized Assault & Exploration (Windows, 1996)
52		Endless Space (Windows, 2012)
52		Master of Orion II: Battle at Antares (DOS, 1996)
52		X-COM: Apocalypse (DOS, 1997)
52		X-COM: Apocalypse (Windows, 1997)
52		M.A.X.: Mechanized Assault & Exploration (DOS, 1996)
52		Master of Orion II: Battle at Antares (Windows, 1996)
51		Master of Orion (DOS, 1993)
50		Emperor of the Fading Suns (Windows, 1996)
50		Space Empires III (Windows, 1997)
50		Imperium Rex (DOS, 1993)
50		FLOCK! (Windows, 2009)
50		Reach for the Stars: The Conquest of the Galaxy (DOS, 1988)
50		Anacreon: Imperial Conquest in the Far Future (Windows, 2004)
50		Master of Orion 3 (Windows, 2003)
50		Spaceward Ho! (DOS, 1992)
50		Starship Kingdom (Windows, 2007)
50		Anacreon: Reconstruction 4021 (DOS, 1987)
50		Star Trek: The Next Generation - Birth of the Federation (Windows, 1999)
50		Into the Void (DOS, 1997)
47		X-COM: Terror from the Deep (Windows, 2007)
47		X-COM: Terror from the Deep (DOS, 1995)
44		Anno 2205 (Windows, 2015)
44		Sid Meier's Civilization II (Windows, 1996)
44		Sid Meier's Civilization IV (Windows, 2005)
43		GhostControl Inc. (Windows, 2014)
43		Maia (Windows, 2018)
42		Anno 2070 (Windows, 2011)
42		Civilization: Call to Power (Windows, 1999)
40		Tom Clancy's ruthless.com (Windows, 1998)
40		Deadlock II: Shrine Wars (Windows, 1998)
40		Planet M.U.L.E. (Windows, 2009)
40		Cuban Missile Crisis: The Aftermath (Windows, 2005)
40		Golem (Windows, 2004)
40		Oil Barons (DOS, 1992)
40		Civilization II: Test of Time (Windows, 1999)

Notes: Games similar to XCOM 2, Games like XCOM 2, Firaxis Games, Inc., 2K Games, Inc., Windows, Strategy, Tactics, Post-Apocalyptic, Sci-Fi, Futuristic, Managerial, Business Simulation, Turn-based, Bird's-eye view, UnrealEngine3, PC, Game Similarities.