95		Blasteroids (DOS, 1989)
91		ROX (DOS, 1993)
90		Rocks (DOS, 1997)
90		The Orion Project (DOS, 1994)
90		Space Rocks 3D (Windows, 1996)
83		Starscape (Windows, 2008)
82		Blasten ! (DOS, 1986)
80		Galactic Patrol (Windows, 1998)
80		Stardust (DOS, 1995)
80		Swarm (Windows, 1998)
80		Blastocyst (DOS, 2005)
80		CHAMP Asterocks (DOS, 1997)
80		Juggernaut Corps: First Assault (Windows, 1998)
80		Vectoroids (Windows, 2002)
80		Trash Killer (Windows, 1999)
80		Asteroid Miner (Windows, 2003)
80		DriftZone (Windows, 2000)
80		Asteroids Fighter (Windows, 2003)
80		Foxeroids (Windows, 2003)
80		DarkSide (Windows, 2007)
80		Debris (Windows, 1999)
80		Wings 2 (Windows, 2006)
80		Totally Tiny Arcade (Windows, 2007)
70		Asteroids Deluxe (Windows, 2010)
70		Super Stardust (DOS, 1996)
70		Asteroids (Windows, 1998)
70		Asteroids (Windows, 2010)
65		Menace (DOS, 1989)
65		If It Moves, Shoot It! (DOS, 1989)
65		Hellraider (DOS, 1989)
65		Alien Syndrome (DOS, 1989)
65		Space Snake (DOS, 1989)
65		Blood Money (DOS, 1990)
65		Xenon (DOS, 1989)
64		Space Miner (DOS, 1990)
64		Jackson City (DOS, 1990)
64		Giant Space Slug (DOS, 1990)
64		Captain Power and the Soldiers of the Future (DOS, 1988)
64		Side Arms Hyper Dyne (DOS, 1988)
64		Time Bandit (DOS, 1988)
64		Speed Zone (DOS, 1988)
64		Bedlam (DOS, 1988)
64		Star Dust (DOS, 1988)
64		Galactic Battle (DOS, 1990)
63		Bob Morane: Science Fiction 1 (DOS, 1987)
63		Duke Nukum: Episode 2 - Mission: Moonbase (DOS, 1991)
63		Duke Nukum: Episode 1 - Shrapnel City (DOS, 1991)
63		Duke Nukum: Episode 3 - Trapped in the Future (DOS, 1991)
63		Starsiege: Tribes (Windows, 1998)
63		Hurrican (Windows, 2007)
63		Slordax: The Unknown Enemy (DOS, 1991)
63		Bit Blaster XL (Windows, 2016)
63		Duke Nukem (DOS, 1991)
63		X-Fire (DOS, 1991)
63		Hydorah (Windows, 2010)
63		Cogmind (Windows, 2017)
62		Ricochet Infinity (Windows, 2007)
62		MURI (Windows, 2013)
62		Teleglitch (Windows, 2012)
62		Tunnel Divers (Windows, 2017)
62		Super Hydorah (Windows, 2017)
62		Space Vegetables (DOS, 1992)
62		MAZ! (Windows, 2017)
62		Kiloblaster (DOS, 1992)
62		Revolver360 Re:Actor (Windows, 2014)
62		Mutant Storm (Windows, 2003)
62		Geometry Wars 3: Dimensions - Evolved (Windows, 2014)
62		Dalek Attack (DOS, 1992)
62		Super Cyborg (Windows, 2014)
62		Assault Android Cactus (Windows, 2015)
62		Waves (Windows, 2011)
62		EGA-Roids (DOS, 1986)
62		Alien Swarm: Reactive Drop (Windows, 2017)
62		Crimsonland (Windows, 2003)
62		Shatter (Windows, 2010)
62		Everyday Shooter (Windows, 2008)
62		Mr. Smoozles Goes Nutso (Windows, 2006)
62		Ikaruga (Windows, 2014)
62		Starfire (DOS, 1992)
61		World Quest (DOS, 1993)
61		Mirage Thunder (DOS, 1993)
61		Solar Winds: The Escape (DOS, 1993)
61		Major Stryker (DOS, 1993)
61		Awesomenauts (Windows, 2012)
61		Jim Power: The Lost Dimension in 3D (DOS, 1993)
61		Solar Winds: Galaxy (DOS, 1993)
61		Duke Nukem II (DOS, 1993)
61		Geu Nal-i Omyeon 3: Dragon Force (DOS, 1993)
61		Waves 2 (Windows, 2015)
61		Heat Signature (Windows, 2017)
61		Earth Invasion (DOS, 1993)
61		Raiden IV: OverKill (Windows, 2015)
61		Syder Arcade (Windows, 2012)
61		The Angry Video Game Nerd Adventures (Windows, 2013)
61		Solaris 1.0.4. (Windows, 2000)
61		Alien Stars (Windows, 2008)
61		Geometry Wars: Retro Evolved (Windows, 2007)
61		SubSpace (Windows, 1997)
61		Neon Chrome (Windows, 2016)
61		Blacksea Odyssey (Windows, 2016)
61		Reflex Point (DOS, 1985)
61		Xenon 2000: Project PCF (Windows, 2000)
60		Star Sword (Windows, 2008)
60		Droid Assault (Windows, 2008)
60		Return of the Mutant Space Bats of Doom (DOS, 1995)
60		SYNSO: Squid Harder! (Windows, 2009)
60		Alien Assault (Windows, 2008)
60		Firewind (DOS, 1996)
60		Stillhunt (DOS, 1996)
60		Bullet Candy (Windows, 2006)
60		Blast-off (Windows, 2017)
60		Raiden III (Windows, 2006)
60		Space Shot (Windows, 2008)
60		Clash'N Slash: Worlds Away (Windows, 2006)
60		Star Hammer (DOS, 1994)
60		Xenophage: Alien BloodSport (Windows, 2015)
60		The Day 4: Icarus (DOS, 1994)
60		Fren-ze (Windows, 2006)
60		Warside (Windows, 2015)
60		1337 Ship Deathmatch (Windows, 2009)
60		Super Beemger (DOS, 1994)
60		Urban Uprising: Dark New World (Windows, 2006)
60		Illusion Blaze (DOS, 1994)
60		Glum Buster (Windows, 2009)
60		Angelfish (Windows, 2006)
60		Squid Yes! Not So Octopus! (Windows, 2009)
60		Astro Fury (Windows, 2008)
60		Star Defender 4 (Windows, 2007)
60		Mars Miner (Windows, 2007)
60		Blessed (Windows, 2007)
60		Space Strike (Windows, 2007)
60		Uriel's Chasm (Windows, 2014)
60		Gum Drop: Celestial Frontier (Windows, 2009)
60		Zub (Windows, 2007)
60		xWUNG (Windows, 2007)
60		Varia (Windows, 2007)
60		The Day 5: Assault Dragon (DOS, 1995)
60		VanSlug: X Mission (DOS, 1995)
60		IO (Windows, 2007)
60		Scavenger (Windows, 2007)
60		GraviTron (Windows, 2006)
60		Into the Sun: Projected Distruction (DOS, 1995)
60		The Cleaner (Windows, 2008)
60		Polybius (Windows, 2007)
60		Prototype (DOS, 1995)
60		Meteor Mission (DOS, 1995)
60		Protoganda II (Windows, 2008)
60		Primal Rage (DOS, 1995)
60		Fuck Space! (Windows, 2006)
60		Space Renegades: The Series (Windows, 2006)
60		Chicken Invaders: Revenge of the Yolk (Windows, 2006)
60		Threat (DOS, 1995)
60		Debrysis (Windows, 2008)
60		Thrustburst (Windows, 2008)
60		Uriel's Chasm 2: Et (Windows, 2015)
60		Guardic (Windows, 2016)
60		Battle Squadron (Windows, 2013)
60		Solar Flux (Windows, 2013)
60		Velocity: Ultra (Windows, 2013)
60		Major Stryker (Windows, 2014)
60		C-RUSH (Windows, 2014)
60		Super Killer Hornet: Resurrection (Windows, 2014)
60		Dark Matter (Windows, 2013)
60		Verminian Trap (Windows, 2013)
60		Duke Nukem II (Windows, 2013)
60		Hydorah (Windows, 2013)
60		Duke Nukem (Windows, 2013)
60		X-Orbtek II (Windows, 2013)
60		BiFrost (Windows, 2013)
60		Gaurodan (Windows, 2013)
60		Power-Up (Windows, 2014)
60		DubWars (Windows, 2016)
60		Weapon of Choice (Windows, 2015)
60		Shoot 1UP (Windows, 2015)
60		Pixel Space_ (Windows, 2015)
60		Metroid Sigma (Windows, 2015)
60		XO-Fighter (DOS, 1982)
60		Bullshot (Windows, 2016)
60		Laser Cycle (DOS, 1983)
60		Tachyon Project (Windows, 2015)
60		Gongbat (Windows, 2015)
60		Crimzon Clover: World Ignition (Windows, 2014)
60		Project Root (Windows, 2014)
60		Asteria (Windows, 2014)
60		Broken Pearl (Windows, 2014)
60		It came from space, and ate our brains (Windows, 2015)
60		Blockships (Windows, 2016)
60		Street Fighter X Mega Man (Windows, 2012)
60		Miner Wars 2081 (Windows, 2012)
60		Xatax (DOS, 1994)
60		SYNSO:CE (Windows, 2010)
60		Leave Home (Windows, 2010)
60		Beat Hazard (Windows, 2010)
60		Galaga 94 (DOS, 1994)
60		VectorMan (Windows, 2010)
60		Robotz DX (Windows, 2010)
60		Traffic Department 2192 (DOS, 1994)
60		Marsh (Windows, 2010)
60		Astro Tripper (Windows, 2009)
60		Kiloblaster 1 (DOS, 1994)
60		Bullet Candy Perfect (Windows, 2009)
60		Hurdles (DOS, 1994)
60		Vortex (Windows, 2015)
60		Biodrone Battle (Windows, 2015)
60		Gentrieve (Windows, 2010)
60		Razor2: Hidden Skies (Windows, 2010)
60		Inferno+ (Windows, 2012)
60		Anyman (Windows, 2012)
60		Cyber Police (DOS, 1996)
60		Caverns of Mimas (Windows, 2012)
60		Zheros (Windows, 2016)
60		Miner Wars Arena (Windows, 2012)
60		Armed and Gelatinous (Windows, 2016)
60		Raiden IV (Windows, 2015)
60		Orbit (Windows, 2015)
60		Total Carnage (DOS, 1994)
60		Kiloblaster 3 (DOS, 1994)
60		IAS (DOS, 1994)
60		Entity (DOS, 1994)
60		Invaders: Corruption (Windows, 2010)
60		Ion Assault (Windows, 2010)
60		Kiloblaster 2 (DOS, 1994)
60		Protoganda: Strings (Windows, 2007)
60		Star Havoc (Windows, 1999)
60		Scud: Industrial Evolution (Windows, 1997)
60		Space Rescue (Windows, 2000)
60		Nighthaw-X3000 (Windows, 2017)
60		Arcadia (Windows, 2010)
60		Alien Horde (Windows, 2003)
60		Deimos Rising (Windows, 2003)
60		Nick Naster's eXtinction (Windows, 2003)
60		Out 'M' Up (DOS, 2000)
60		Chicken Invaders: The Next Wave (Windows, 2002)
60		Major Havoc (Windows, 2010)
60		Tyrian 2000 (DOS, 1999)
60		Dark Moon (DOS, 1999)
60		Cunyngas (Windows, 2003)
60		Final Impact (DOS, 1998)
60		Metaloids (Windows, 1999)
60		TerraFire (DOS, 1997)
60		Solar 2 (Windows, 2011)
60		Hail to the Chief (Windows, 2004)
60		Pawarumi (Windows, 2018)
60		Rage Against the Machine (DOS, 1997)
60		Steel Saviour (Windows, 2004)
60		Fobos (Windows, 2003)
60		Warblade (Windows, 2003)
60		Axia (DOS, 1998)
60		Crimzon Clover (Windows, 2010)
60		Take No Prisoners (Windows, 1997)
60		Angriff vom Saturn (Windows, 2003)
60		Freddy (Windows, 1998)
60		Scrap Galaxy (Windows, 2017)
60		Alien Tequila (Windows, 2002)
60		GFID Advanced Place: Project φ (Windows, 2001)
60		JASEM: Just Another Shooter with Electronic Music (Windows, 2017)
60		Intensity XS: ReCharge (Windows, 2001)
60		Outbreak (Windows, 2001)
60		Cho Ren Sha 68k (Windows, 2001)
60		Heckpoint (Windows, 2017)
60		Killer Baby (Windows, 2006)
60		Protector (Windows, 2001)
60		Gunner 3 (Windows, 2000)
60		Robot King Part I: Rebooted and Ready (Windows, 2017)
60		Startron (Windows, 2000)
60		UFO-Hunt 2001 (Windows, 2001)
60		RayStorm (Windows, 2001)
60		Intensity XS (Windows, 2001)
60		Space Haste (Windows, 2000)
60		Blast (Windows, 2017)
60		Battle-Girl (Windows, 1998)
60		Project GunViper (Windows, 2002)
60		Final Impact (Windows, 1998)
60		Override (Windows, 2017)
60		BII-NARY: The War Against Pop-Ups (Windows, 2002)
60		When Clones Attack! (Windows, 2002)
60		Journey to Silius (Windows, 2017)
60		Tyrian 2000 (Windows, 1999)
60		Chase Ace (Windows, 1998)
60		Chicken Invaders (Windows, 2002)
60		Bugatron (Windows, 2000)
60		Entrance Gate (Windows, 2002)
60		Fire Zone (Windows, 1999)
60		Mutant Storm: Reloaded (Windows, 2012)
60		Destruction Carnival (Windows, 1997)
60		Chase Ace 2 (Windows, 1999)
60		Alien Breed Obliteration (Windows, 2005)
60		SK-111 'Star Killer' (Windows, 1995)
60		Hero (Windows, 2005)
60		Star Blaze (Windows, 2005)
60		Monadius (Windows, 2005)
60		Panic Invaders (Windows, 2004)
60		Astro3D (DOS, 1997)
60		(Not) Just another Space Shooter (Windows, 2004)
60		The Fourth Generation (DOS, 1997)
60		Realm (DOS, 1997)
60		Star Defender II (Windows, 2005)
60		Infantry (Windows, 1999)
60		Communist Mutants From Space (Windows, 2005)
60		Alien Outbreak 2: Invasion (Windows, 2007)
60		UwiTron (Windows, 2005)
60		Ultratron (Windows, 2005)
60		SPIN (DOS, 1996)
60		Clash'N Slash (Windows, 2005)
60		Inescapable (Windows, 2013)
60		Absolute Blue (Windows, 2005)
60		Adagio (Windows, 2005)
60		Xenophage: Alien BloodSport (DOS, 1996)
60		ArkLight (Windows, 2005)
60		Hunter Hunted (Windows, 1996)
60		WarMachine Overload (Windows, 2005)
60		Robocop 2D 2: Robocop vs Terminator (Windows, 2005)
60		Alienoid (Windows, 2004)
60		Swarm Universe (Windows, 2017)
60		Halo Zero (Windows, 2005)
60		Piranha (DOS, 1996)
60		Shudder (Windows, 2018)
60		Isin-Densin Zero (Windows, 1999)
60		Crusaders of Space (Windows, 2006)
60		Jewel of Orion (Windows, 2005)
60		SplayMaster (DOS, 1996)
60		Pteroglider (Windows, 2004)
60		Mutant Mahem (Windows, 2004)
60		Crusaders of Space 2 (Windows, 2007)
60		Lazarus (DOS, 1997)
60		Starcom (DOS, 1997)
60		Day of Pigs (DOS, 1996)

Notes: Games similar to Zappa Roidz, Games like Zappa Roidz, Ideas From the Deep, Softdisk Publishing, DOS, Action, Sci-Fi, Futuristic, Arcade, Shooter, Side view, Top-down, PC, Game Similarities.