74		Chris Sawyer's Locomotion (Windows, 2004)
73		Transport Tycoon (DOS, 1994)
62		Airport Tycoon (Windows, 2000)
55		Wildlife Park (Windows, 2003)
55		Airport Tycoon 2 (Windows, 2003)
52		Software Inc. (Windows, 2015)
50		Airport Simulator 2019 (Windows, 2018)
50		Wildlife Park: Gold Reloaded (Windows, 2018)
50		Gnomoria (Windows, 2013)
50		Production Line (Windows, 2017)
50		Market Tycoon (Windows, 2017)
50		Transports (Windows, 2018)
50		Terroir (Windows, 2017)
50		Coffee Shop Tycoon (Windows, 2016)
50		Train Station Simulator (Windows, 2017)
46		Sid Meier's Civilization III (Windows, 2001)
46		Port Royale: Gold, Power and Pirates (Windows, 2003)
45		Industry Giant II (Windows, 2002)
45		Port Royale 2 (Windows, 2004)
44		OpenTTD (Windows, 2004)
43		Zoo Tycoon (Windows, 2001)
43		Serf City: Life is Feudal (DOS, 1995)
42		Freight Tycoon Inc. (Windows, 2006)
42		Anno 1602: Creation of a New World (Windows, 1998)
42		Parkitect (Windows, 2016)
42		Railroad Tycoon II (Windows, 1998)
40		University Tycoon: 2019 (Windows, 2018)
40		1849 (Windows, 2014)
40		The Settlers: Rise of Cultures (Windows, 2008)
40		The 3rd Millennium (Windows, 1998)
40		The Sims: Carnival - SnapCity (Windows, 2008)
40		Tavern Tycoon: Dragon's Hangover (Windows, 2017)

Notes: Games similar to Airport Tycoon 3, Games like Airport Tycoon 3, IAV Kronologix, Global Star Software Inc., Windows, Simulation, Strategy, Tactics, Managerial, Business Simulation, Bird's-eye view, Flight, Aviation, Isometric, RenderWare, PC, Game Similarities.