99		Reign: Conflict of Nations (Windows, 2009)
99		Castles II: Siege & Conquest (DOS, 1992)
92		FireFly Studios' Stronghold (Windows, 2001)
91		FireFly Studios' Stronghold Crusader (Windows, 2002)
90		FireFly Studios' Stronghold 2 (Windows, 2005)
90		FireFly Studios' Stronghold 3 (Windows, 2011)
73		Stronghold Crusader HD (Windows, 2012)
72		Stronghold Crusader II (Windows, 2014)
72		Stronghold HD (Windows, 2012)
72		Zeus: Master of Olympus (Windows, 2000)
71		The Settlers III (Windows, 1998)
70		FireFly Studios' Stronghold Deluxe (Windows, 2002)
70		Stronghold Crusader Extreme (Windows, 2008)
70		FireFly Studios' Stronghold 2 Deluxe (Windows, 2005)
61		Knights of Honor (Windows, 2005)
61		Star Trek: Starfleet Command (Windows, 1999)
60		Star Trek: Starfleet Command - Neutral Zone (Windows, 2000)
60		Patrician IV: Conquest by Trade (Windows, 2010)
55		Offworld Trading Company (Windows, 2016)
53		Grand Ages: Medieval (Windows, 2015)
50		Pirate Hunter (Windows, 2008)
50		M.U.D. TV: Mad Ugly Dirty Television (Windows, 2010)
46		Parkitect (Windows, 2016)
46		Cities: Skylines (Windows, 2015)
46		Planet Coaster (Windows, 2016)
46		Cheeky Chooks (Windows, 2018)
45		Serf City: Life is Feudal (DOS, 1995)
45		Community Inc (Windows, 2017)
45		Tavern Tycoon: Dragon's Hangover (Windows, 2017)
44		University Tycoon: 2019 (Windows, 2018)
44		Zoo Tycoon: Ultimate Animal Collection (Windows, 2018)
43		SimCity 2000 (DOS, 1993)
42		Pharaoh (Windows, 1999)
42		Caesar II (DOS, 1995)
42		Anno 1602: Creation of a New World (Windows, 1998)
42		Caesar III (Windows, 1998)
42		The Settlers II: Veni, Vidi, Vici (DOS, 1996)
42		SimCity 3000 (Windows, 1999)
42		Tropico (Windows, 2001)
42		1849 (Windows, 2014)
42		SimCity 4 (Windows, 2003)
41		Adventure Park (Windows, 2013)
41		Port Royale: Gold, Power and Pirates (Windows, 2003)
41		Port Royale 2 (Windows, 2004)
41		Tropico 2: Pirate Cove (Windows, 2003)
41		Industry Giant II (Windows, 2002)
41		Cities in Motion 2 (Windows, 2013)
41		SimCity 3000 Unlimited (Windows, 2000)
41		Caesar IV (Windows, 2006)
41		Emperor: Rise of the Middle Kingdom (Windows, 2002)
41		The Settlers II: 10th Anniversary (Windows, 2006)
41		SimCity (Windows, 2013)
40		The Settlers: Rise of Cultures (Windows, 2008)
40		Star Trek: Starfleet Command Volume II - Empires at War (Windows, 2000)
40		Escape 2 Paradise: A Kingdom's Quest (Windows, 2010)
40		Immortal Cities: Children of the Nile (Windows, 2004)
40		CivCity: Rome (Windows, 2006)
40		SimCity Societies (Windows, 2007)
40		Caesar II (Windows, 1996)
40		Zoo Tycoon 2 (Windows, 2004)
40		Farm Mania: Hot Vacation (Windows, 2011)
40		Zoo Tycoon (Windows, 2001)
40		SimCity 2000 (Windows, 1996)

Notes: Games similar to Castles II: Siege & Conquest, Games like Castles II: Siege & Conquest, Quicksilver Software, Inc., Interplay Entertainment Corp., Windows, Simulation, Strategy, Tactics, Fantasy, Managerial, Business Simulation, Real-Time, Bird's-eye view, Simulation - Castle, Fortress building, Medieval Europe, PC, Game Similarities.