99		Microsoft Train Simulator (Windows, 2001)
99		Ultimate Trainz Collection (Windows, 2002)
99		MaSzyna EU07-424 (Windows, 2001)
99		Trainz Railroad Simulator 2004 (Windows, 2003)
99		Trainz Railroad Simulator 2007 (Windows, 2006)
99		Rail Simulator (Windows, 2007)
99		3D Railroad Master (Windows, 1999)
99		Trainz Railroad Simulator 2007 (Windows, 2007)
91		Trainz: Virtual Railroading on your PC (Windows, 2002)
74		Inokashira Line Simulator 2 (Windows, 2005)
73		Densha de Go! Final (Windows, 2004)
73		World of Subways Vol. 1: New York Underground "The Path" (Windows, 2008)
72		RailWorks (Windows, 2009)
72		Subway Simulator: Berlin • U7 - World of Subways 2 (Windows, 2009)
71		Ikebukuro Line Simulator (Windows, 2010)
71		RailWorks 2: Train Simulator (Windows, 2010)
71		ProTrain Perfect 2 (Windows, 2010)
71		Enoshima Line Simulator (Windows, 2010)
70		RailWorks 3: Train Simulator 2012 (Windows, 2011)
70		World of Subways 3: London Underground Simulator (Windows, 2011)
70		Densha de Go! 2 3000 (Windows, 2000)
70		Densha de Go! 2 (Windows, 1999)
70		Keio Line Simulator 2 (Windows, 2001)
70		Densha de Go! (Windows, 1998)
61		Trainz: Murchison 2 (Windows, 2010)
61		Trainz: Settle and Carlisle (Windows, 2010)
61		Trainz: Classic Cabon City (Windows, 2010)
60		Trainz Simulator 12 (Windows, 2011)
60		Trainz Driver 2016 (Windows, 2016)
60		Trainz: A New Era (Windows, 2015)
45		Create Your Own Model Railway Deluxe (Windows, 2006)
44		Create Your Own Model Railway (Windows, 2005)
43		Railroad Lines (Windows, 2008)
42		Der Planer 3 (Windows, 2003)
41		SimSig (Windows, 2002)
41		The Train Giant (Windows, 2010)
40		Lotus Simulator (Windows, 2018)
40		Railsimulator.com's Train Simulator 2013 (Windows, 2012)
40		Densha de Go! Nagoya Railroad (Windows, 2000)
40		Virtual Railroad (Windows, 2000)
40		Railroad X (Windows, 2014)

Notes: Games similar to Trainz Railroad Simulator 2006, Games like Trainz Railroad Simulator 2006, Auran Games Pty Ltd., Merscom LLC, Windows, Simulation, 1st-person, 3rd-person, Other, Train, Simulation - Traffic network, Simulation - Train driving, PC, Game Similarities.