64		Silkolene Honda Motocross GP (Windows, 2000)
64		Harley-Davidson: Wheels of Freedom (Windows, 2000)
63		MotoGP: Ultimate Racing Technology (Windows, 2002)
63		Harley-Davidson: Race Around the World (Windows, 2001)
63		MotoGP 2 (Windows, 2003)
61		MotoGP '07 (Windows, 2007)
60		Grand Prix 500 cc (DOS, 1987)
60		Harley-Davidson: The Road to Sturgis (DOS, 1989)
60		Grand Prix 500 2 (DOS, 1991)
60		Valentino Rossi: The Game (Windows, 2016)
60		MotoGP 13 (Windows, 2013)
60		MotoGP 08 (Windows, 2008)
60		MotoGP 15 (Windows, 2015)
60		MotoGP 14 (Windows, 2014)
55		Harley-Davidson: Race Across America (Windows, 1999)

Notes: Games similar to Speedway 99, Games like Speedway 99, Techland Soft, Techland Soft, Windows, Racing, Driving, Simulation, Vehicle Simulator, Behind view, Motorcycle, PC, Game Similarities.