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

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