65		Donald Trump's Real Estate Tycoon! (Windows, 2002)
65		Build City (Windows, 2002)
63		Constructor (DOS, 1997)
62		Constructor (Windows, 2010)
60		A-Train Construction Set (DOS, 1992)
56		Industry Giant II (Windows, 2002)
55		Port Royale: Gold, Power and Pirates (Windows, 2003)
54		Port Royale 2 (Windows, 2004)
54		Zoo Tycoon (Windows, 2001)
53		Anno 1602: Creation of a New World (Windows, 1998)
53		Serf City: Life is Feudal (DOS, 1995)
52		Parkitect (Windows, 2016)
50		The Settlers: Rise of Cultures (Windows, 2008)
50		Unknown Horizons (Windows, 2009)
50		University Tycoon: 2019 (Windows, 2018)
50		1849 (Windows, 2014)
46		FireFly Studios' Stronghold Crusader (Windows, 2002)
46		Emperor: Rise of the Middle Kingdom (Windows, 2002)
46		SimCity 4 (Windows, 2003)
46		SimCity 3000 Unlimited (Windows, 2000)
46		Tropico (Windows, 2001)
46		FireFly Studios' Stronghold (Windows, 2001)
45		Tropico 2: Pirate Cove (Windows, 2003)
45		FireFly Studios' Stronghold Deluxe (Windows, 2002)
45		Zeus: Master of Olympus (Windows, 2000)
45		American Conquest (Windows, 2003)
45		OpenTTD (Windows, 2004)
44		Pharaoh (Windows, 1999)
44		SimCity 3000 (Windows, 1999)
44		Victoria: An Empire Under the Sun (Windows, 2003)
44		Fast Food Tycoon 2 (Windows, 2001)
43		Caesar III (Windows, 1998)
43		SimCity 2000 (DOS, 1993)
43		Railroad Tycoon II (Windows, 1998)
43		Transport Tycoon (DOS, 1994)
43		Fast Food Tycoon (Windows, 2000)
43		Stronghold Crusader HD (Windows, 2012)
43		Knights of Honor (Windows, 2005)
43		Chris Sawyer's Locomotion (Windows, 2004)
42		Caesar II (DOS, 1995)
42		The Settlers II: Veni, Vidi, Vici (DOS, 1996)
42		Theme Hospital (Windows, 1997)
42		FireFly Studios' Stronghold 2 Deluxe (Windows, 2005)
42		Stronghold HD (Windows, 2012)
42		The Settlers II: 10th Anniversary (Windows, 2006)
42		The Settlers III (Windows, 1998)
41		Freight Tycoon Inc. (Windows, 2006)
41		Theme Hospital (DOS, 1997)
40		SimCity 2000 (Windows, 1996)
40		Caesar II (Windows, 1996)
40		Stronghold Crusader Extreme (Windows, 2008)

Notes: Games similar to Widelands, Games like Widelands, Windows, Simulation, Strategy, Tactics, Managerial, Business Simulation, Real-Time, Isometric, PC, Game Similarities.