65		Bedlam (DOS, 1988)
65		Star Dust (DOS, 1988)
65		Time Bandit (DOS, 1988)
64		Blasteroids (DOS, 1989)
64		Space Snake (DOS, 1989)
64		Zappa Roidz (DOS, 1989)
64		Hellraider (DOS, 1989)
64		Xenon (DOS, 1989)
64		Alien Syndrome (DOS, 1989)
64		If It Moves, Shoot It! (DOS, 1989)
63		Galactic Battle (DOS, 1990)
63		Jackson City (DOS, 1990)
63		Giant Space Slug (DOS, 1990)
63		Space Miner (DOS, 1990)
63		Starsiege: Tribes (Windows, 1998)
63		Cogmind (Windows, 2017)
62		Waves (Windows, 2011)
62		Ricochet Infinity (Windows, 2007)
62		Slordax: The Unknown Enemy (DOS, 1991)
62		Assault Android Cactus (Windows, 2015)
62		Geometry Wars 3: Dimensions - Evolved (Windows, 2014)
62		Crimsonland (Windows, 2003)
62		Mr. Smoozles Goes Nutso (Windows, 2006)
62		Everyday Shooter (Windows, 2008)
62		Tunnel Divers (Windows, 2017)
62		Teleglitch (Windows, 2012)
62		Ikaruga (Windows, 2014)
62		X-Fire (DOS, 1991)
62		Alien Swarm: Reactive Drop (Windows, 2017)
62		Mutant Storm (Windows, 2003)
61		Kiloblaster (DOS, 1992)
61		Raiden IV: OverKill (Windows, 2015)
61		Geometry Wars: Retro Evolved (Windows, 2007)
61		Alien Stars (Windows, 2008)
61		SubSpace (Windows, 1997)
61		Blacksea Odyssey (Windows, 2016)
61		Xenon 2000: Project PCF (Windows, 2000)
61		Waves 2 (Windows, 2015)
61		Neon Chrome (Windows, 2016)
61		Starfire (DOS, 1992)
61		Heat Signature (Windows, 2017)
60		Chicken Invaders: Revenge of the Yolk (Windows, 2006)
60		Star Defender 4 (Windows, 2007)
60		Fuck Space! (Windows, 2006)
60		Space Renegades: The Series (Windows, 2006)
60		Scavenger (Windows, 2007)
60		Uriel's Chasm (Windows, 2014)
60		Bullet Candy (Windows, 2006)
60		ArkLight (Windows, 2005)
60		Scrap Galaxy (Windows, 2017)
60		Pawarumi (Windows, 2018)
60		Alien Breed Obliteration (Windows, 2005)
60		Ultratron (Windows, 2005)
60		Alien Outbreak 2: Invasion (Windows, 2007)
60		Communist Mutants From Space (Windows, 2005)
60		UwiTron (Windows, 2005)
60		Jewel of Orion (Windows, 2005)
60		Crusaders of Space (Windows, 2006)
60		Angelfish (Windows, 2006)
60		X-Orbtek II (Windows, 2013)
60		Astro Fury (Windows, 2008)
60		Clash'N Slash: Worlds Away (Windows, 2006)
60		Raiden III (Windows, 2006)
60		Crusaders of Space 2 (Windows, 2007)
60		Space Rocks 3D (Windows, 1996)
60		Urban Uprising: Dark New World (Windows, 2006)
60		Verminian Trap (Windows, 2013)
60		Varia (Windows, 2007)
60		Biodrone Battle (Windows, 2015)
60		Vortex (Windows, 2015)
60		Super Killer Hornet: Resurrection (Windows, 2014)
60		Marsh (Windows, 2010)
60		Project Root (Windows, 2014)
60		Crimzon Clover: World Ignition (Windows, 2014)
60		Gum Drop: Celestial Frontier (Windows, 2009)
60		Broken Pearl (Windows, 2014)
60		Astro Tripper (Windows, 2009)
60		Bullet Candy Perfect (Windows, 2009)
60		SYNSO:CE (Windows, 2010)
60		Beat Hazard (Windows, 2010)
60		Ion Assault (Windows, 2010)
60		Invaders: Corruption (Windows, 2010)
60		Orbit (Windows, 2015)
60		Raiden IV (Windows, 2015)
60		Guardic (Windows, 2016)
60		Velocity: Ultra (Windows, 2013)
60		Robotz DX (Windows, 2010)
60		Major Stryker (Windows, 2014)
60		Razor2: Hidden Skies (Windows, 2010)
60		Blockships (Windows, 2016)
60		It came from space, and ate our brains (Windows, 2015)
60		Protoganda: Strings (Windows, 2007)
60		Space Strike (Windows, 2007)
60		Debrysis (Windows, 2008)
60		Shoot 1UP (Windows, 2015)
60		Clash'N Slash (Windows, 2005)
60		Polybius (Windows, 2007)
60		Laser Cycle (DOS, 1983)
60		xWUNG (Windows, 2007)
60		XO-Fighter (DOS, 1982)
60		Protoganda II (Windows, 2008)
60		Pixel Space_ (Windows, 2015)
60		Tachyon Project (Windows, 2015)
60		1337 Ship Deathmatch (Windows, 2009)
60		Squid Yes! Not So Octopus! (Windows, 2009)
60		SYNSO: Squid Harder! (Windows, 2009)
60		Alien Assault (Windows, 2008)
60		Star Sword (Windows, 2008)
60		Solar Flux (Windows, 2013)
60		Space Shot (Windows, 2008)
60		Droid Assault (Windows, 2008)
60		Mars Miner (Windows, 2007)
60		Alienoid (Windows, 2004)
60		Bugatron (Windows, 2000)
60		Space Haste (Windows, 2000)
60		Return of the Mutant Space Bats of Doom (DOS, 1995)
60		Star Hammer (DOS, 1994)
60		Tyrian 2000 (Windows, 1999)
60		Threat (DOS, 1995)
60		Star Havoc (Windows, 1999)
60		SplayMaster (DOS, 1996)
60		Blast-off (Windows, 2017)
60		Kiloblaster 2 (DOS, 1994)
60		Space Rescue (Windows, 2000)
60		Galaga 94 (DOS, 1994)
60		Outbreak (Windows, 2001)
60		The Orion Project (DOS, 1994)
60		Traffic Department 2192 (DOS, 1994)
60		Protector (Windows, 2001)
60		Startron (Windows, 2000)
60		Kiloblaster 1 (DOS, 1994)
60		RayStorm (Windows, 2001)
60		Day of Pigs (DOS, 1996)
60		Metaloids (Windows, 1999)
60		Out 'M' Up (DOS, 2000)
60		Tyrian 2000 (DOS, 1999)
60		Galactic Patrol (Windows, 1998)
60		Nighthaw-X3000 (Windows, 2017)
60		Override (Windows, 2017)
60		Blast (Windows, 2017)
60		Final Impact (Windows, 1998)
60		Battle-Girl (Windows, 1998)
60		Chase Ace (Windows, 1998)
60		Final Impact (DOS, 1998)
60		Axia (DOS, 1998)
60		Starcom (DOS, 1997)
60		Rocks (DOS, 1997)
60		SPIN (DOS, 1996)
60		Infantry (Windows, 1999)
60		Swarm Universe (Windows, 2017)
60		TerraFire (DOS, 1997)
60		Chase Ace 2 (Windows, 1999)
60		Rage Against the Machine (DOS, 1997)
60		Cho Ren Sha 68k (Windows, 2001)
60		Kiloblaster 3 (DOS, 1994)
60		Hail to the Chief (Windows, 2004)
60		Destruction Carnival (Windows, 1997)
60		Battle Squadron (Windows, 2013)
60		Scud: Industrial Evolution (Windows, 1997)
60		Fobos (Windows, 2003)
60		Star Defender II (Windows, 2005)
60		Angriff vom Saturn (Windows, 2003)
60		Warblade (Windows, 2003)
60		Mutant Storm: Reloaded (Windows, 2012)
60		Pteroglider (Windows, 2004)
60		JASEM: Just Another Shooter with Electronic Music (Windows, 2017)
60		Panic Invaders (Windows, 2004)
60		Hero (Windows, 2005)
60		Take No Prisoners (Windows, 1997)
60		(Not) Just another Space Shooter (Windows, 2004)
60		Robot King Part I: Rebooted and Ready (Windows, 2017)
60		Inferno+ (Windows, 2012)
60		Mutant Mahem (Windows, 2004)
60		Crimzon Clover (Windows, 2010)
60		Uriel's Chasm 2: Et (Windows, 2015)
60		Project GunViper (Windows, 2002)
60		Mirage Thunder (DOS, 1993)
60		Solar Winds: Galaxy (DOS, 1993)
60		Earth Invasion (DOS, 1993)
60		Jim Power: The Lost Dimension in 3D (DOS, 1993)
60		Major Stryker (DOS, 1993)
60		Total Carnage (DOS, 1994)
60		ROX (DOS, 1993)
60		Chicken Invaders (Windows, 2002)
60		Solar Winds: The Escape (DOS, 1993)
60		When Clones Attack! (Windows, 2002)
60		Miner Wars Arena (Windows, 2012)
60		Miner Wars 2081 (Windows, 2012)
60		Deimos Rising (Windows, 2003)
60		Cunyngas (Windows, 2003)
60		Chicken Invaders: The Next Wave (Windows, 2002)
60		Arcadia (Windows, 2010)
60		Caverns of Mimas (Windows, 2012)
55		Arkanoid (DOS, 1988)
55		Better Dead Than Alien! (DOS, 1988)
55		Mad Show (DOS, 1988)
54		Ajax (DOS, 1989)
54		Stargoose Warrior (DOS, 1989)
54		Meteors (DOS, 1989)
54		Worm Burner (DOS, 1987)
54		Moonwalker (DOS, 1989)

Notes: Games similar to Speed Zone, Games like Speed Zone, PAL Developments, Mastertronic Ltd., DOS, Action, Sci-Fi, Futuristic, Arcade, Shooter, Top-down, PC, Game Similarities.