74		Rogue System (Windows, 2016)
51		Artemis: Spaceship Bridge Simulator (Windows, 2013)
45		Gold Rush: The Game (Windows, 2017)
44		Ghost Mountain Roller Coaster (Windows, 2018)
44		Giant Machines 2017 (Windows, 2016)
42		Rising World (Windows, 2014)
41		Microsoft Flight Simulator 2000 (Windows, 1999)
40		Space Shuttle Mission 2007 (Windows, 2007)
40		Shuttle: The Space Flight Simulator (DOS, 1992)
40		Flight Assignment: Airline Transport Pilot (DOS, 1990)
40		Microsoft Flight (Windows, 2012)
40		UFO (DOS, 1989)

Notes: Games similar to Infinitum, Games like Infinitum, VGstudio, VGstudio, Windows, Simulation, Sci-Fi, Futuristic, Sandbox, Open World, Vehicle Simulator, Real-Time, 1st-person, Space Flight, PC, Game Similarities.