45		Boss Rally (Windows, 1999)
45		Snowmobile Championship 2000 (Windows, 1999)
45		London Racer (Windows, 1999)
45		Screamer Rally (DOS, 1997)
44		Snowmobile Racing (Windows, 1998)
44		1NSANE (Windows, 2001)
43		Super Worms (Windows, 2001)
43		GT Racing 97 (DOS, 1997)
43		eRacer (Windows, 2001)
43		Daytona USA Deluxe (Windows, 1997)
43		Snow Storm (Windows, 2001)
42		Slowdrive (Windows, 2017)
42		Blur (Windows, 2010)
42		Daytona USA (Windows, 1996)
41		DiRT 4 (Windows, 2017)
41		World of Outlaws: Sprint Car Racing 2002 (Windows, 2003)
41		Super Worms (DOS, 2003)
41		Grand Touring (Windows, 2003)
40		Baja: Edge of Control HD (Windows, 2017)
40		Underground Club 2018 (Windows, 2017)
40		All-Star Fruit Racing (Windows, 2017)
40		CarX Drift Racing (Windows, 2017)
40		Furidashi: Drift Cyber Sport (Windows, 2017)
40		World of Speed (Windows, 2017)
40		gRally (Windows, 2018)
40		Danger Zone 2 (Windows, 2018)
40		The Crew 2 (Windows, 2018)
40		Voxel Race (Windows, 2018)
40		Assetto Corsa: Competizione (Windows, 2018)
40		Dakar 18 (Windows, 2018)
40		The Karters (Windows, 2018)
40		Drive!Drive!Drive! (Windows, 2016)
40		Rally Racers (Windows, 2017)
40		Super Kids Racing (Windows, 2018)
40		Drift Legends (Windows, 2018)
40		TT: Isle of Man - Ride on the Edge (Windows, 2018)
40		Need for Speed: Payback (Windows, 2017)
40		The Little Cars in the Great Race (Windows, 2008)
40		Midnight Race Club: Supercharged! (Windows, 2004)
40		SRS: Street Racing Syndicate (Windows, 2004)
40		History's Ice Road Truckers (Windows, 2013)
40		Top Gear: RPM Tuning (Windows, 2005)
40		Autobahn Total (Windows, 2004)
40		Bambino Rally 3 (Windows, 2010)
40		Trike Racers (Windows, 2005)
40		BMW M3 Challenge (Windows, 2007)
40		Truck Racer (Windows, 2009)
40		Tourenwagen Simulator 2010 (Windows, 2010)
40		Classic British Motor Racing (Windows, 2006)
40		L. A. Rush (Windows, 2006)
40		Sébastien Loeb Rally EVO (Windows, 2016)
40		Hot Wheels: World's Best Driver (Windows, 2013)
40		Riptide GP 2 (Windows, 2014)
40		The Crew (Windows, 2014)
40		Ford Racing Off Road (Windows, 2008)
40		Classic Car Racing (Windows, 2007)
40		Sprint Car Challenge (Windows, 2006)
40		Sprint Cars: Road to Knoxville (Windows, 2006)
40		GT-R 400 (Windows, 2006)
40		Kawasaki Snowmobiles (Windows, 2007)
40		Turbo Champions (DOS, 1989)

Notes: Games similar to Speedy Zone, Games like Speedy Zone, Digital Point, Inc., Cyberium Multi Media B.V., Windows, Racing, Driving, Behind view, Automobile, Track Racing, PC, Game Similarities.