99		TwinBee (Windows, 2010)
99		Last Resort (Windows, 2008)
99		Abaron (DOS, 1995)
99		MX 5000 (Windows, 2010)
99		Xiizeal (Windows, 2015)
99		Jamestown: Legend of the Lost Colony (Windows, 2011)
85		Hellraider (DOS, 1989)
85		Xenon (DOS, 1989)
84		Airstrike USA (DOS, 1990)
84		Xenon 2: Megablast (DOS, 1990)
84		Jackson City (DOS, 1990)
83		Jets 'n' Guns (Windows, 2004)
83		Xyphr (DOS, 1991)
83		Eagle's Rider (DOS, 1991)
82		Xerix (DOS, 1992)
82		Enemy Territory: Quake Wars (Windows, 2007)
82		Tribes 2 (Windows, 2001)
82		Ikaruga (Windows, 2014)
82		OverKill (DOS, 1992)
81		Jets 'n' Guns Gold (Windows, 2007)
81		Xenon 2000: Project PCF (Windows, 2000)
81		Major Stryker (DOS, 1993)
81		Incoming: The Final Conflict (Windows, 1998)
81		Alien Stars (Windows, 2008)
81		Everspace (Windows, 2017)
80		Strike Vector (Windows, 2014)
80		Raiden III (Windows, 2006)
80		Urban Uprising: Dark New World (Windows, 2006)
80		Override (Windows, 2017)
80		Fuck Space! (Windows, 2006)
80		Star Defender III (Windows, 2006)
80		Angelfish (Windows, 2006)
80		Crimzon Clover (Windows, 2010)
80		Space Shooter: Alpha Impact (Windows, 2003)
80		Ultra Assault (Windows, 2003)
80		Star Defender (Windows, 2002)
80		Cho Ren Sha 68k (Windows, 2001)
80		RayStorm (Windows, 2001)
80		Yager (Windows, 2005)
80		Gun Metal (Windows, 2005)
80		Strike Vector EX (Windows, 2017)
80		Nanosaur 2: Hatchling (Windows, 2005)
80		War Tech Fighters (Windows, 2017)
80		Breed (Windows, 2004)
80		Redisruption (Windows, 2004)
80		Star Horizon (Windows, 2015)
80		Super Killer Hornet: Resurrection (Windows, 2014)
80		Strike Suit Zero: Director's Cut (Windows, 2014)
80		Major Stryker (Windows, 2014)
80		Battle Squadron (Windows, 2013)
80		Terminal Velocity (Windows, 2012)
80		Strike Suit Zero (Windows, 2013)
80		Project Root (Windows, 2014)
80		Seek and Destroy (DOS, 1996)
80		Radix: Beyond the Void (DOS, 1995)
80		Terminal Velocity (DOS, 1995)
80		Interpose (DOS, 1996)
80		Broken Pearl (Windows, 2014)
80		Crimzon Clover: World Ignition (Windows, 2014)
80		Wingstar (DOS, 1996)
80		Futuridium EP Deluxe (Windows, 2016)
80		Nighthaw-X3000 (Windows, 2017)
80		3D Recon (Windows, 2000)
80		ROM CHECK FAIL (Windows, 2008)
80		Space Strike (Windows, 2007)
80		Protoganda: Strings (Windows, 2007)
80		Tyrian 2000 (DOS, 1999)
80		Astro Tripper (Windows, 2009)
80		Marsh (Windows, 2010)
80		Raiden IV (Windows, 2015)
80		Signal to Noise (Windows, 2015)
80		Lost Planet 2 (Windows, 2010)
80		Space Harrier II (Windows, 2010)
80		Dark Void (Windows, 2010)
80		Out 'M' Up (DOS, 2000)
80		The Germinator (Windows, 2008)
80		Hellbender (Windows, 1996)
80		Tyrian 2000 (Windows, 1999)
80		Eliminator (Windows, 1999)
74		Uridium (DOS, 1988)
73		DoDonPachi Resurrection (Windows, 2016)
73		Mushihimesama (Windows, 2015)
73		Star Wars: Rebel Assault (DOS, 1993)
72		Halo: Combat Evolved (Windows, 2003)
72		Battlefield 2142 (Windows, 2006)
72		Beat Da Beat (Windows, 2016)
72		RefleX (Windows, 2014)
71		Fox Ranger II: Second Mission (DOS, 1993)
71		Project Nimbus (Windows, 2017)
71		Star Monkey (Windows, 2001)
71		Procyon (Windows, 2014)
70		Spaceship Trucker (Windows, 2017)
70		Dogos (Windows, 2016)
70		Space Miner (DOS, 1983)
70		Zenodyne R (Windows, 2016)
70		Star Drifter (Windows, 2016)
70		Wolflame (Windows, 2014)
70		Command & Conquer: Renegade (Windows, 2002)
70		DemonStar: Secret Missions 1 (Windows, 2002)
70		Monkeys Odyssey (Windows, 2003)
70		Galactic Attack (Windows, 1997)
70		Jet Buster (Windows, 2017)
70		Genetos (Windows, 2009)
70		Defenders of Ekron (Windows, 2017)
70		Raiden II (Windows, 1997)
70		Fire Arrow (Windows, 2013)
70		Aircraft War X (Windows, 2016)
70		DemonStar: Secret Missions 2 (Windows, 2003)
70		Chrome (Windows, 2003)
70		River Raid (Windows, 2010)
70		Zangeki Warp (Windows, 2017)
70		Castle Shikigami 2 (Windows, 2005)
70		Dark Corona Pegasus (Windows, 1997)
70		Assault Wing: Galactic Battlefront (Windows, 2011)
70		B.U.G.S. (Windows, 1998)
70		Twinkle Star Sprites (Windows, 2016)
70		Pulstar (Windows, 2016)
70		Flying Tigers II (DOS, 1994)
70		Deltazeal (Windows, 2015)
70		BlastZone 2 (Windows, 2011)
70		Tyrian (DOS, 1995)
70		In Space We Brawl (Windows, 2015)
70		DemonStar (Windows, 1998)
70		HellStar Squadron (Windows, 2018)
70		Highway Fighter (DOS, 1994)
70		Astro Assembler (Windows, 2001)
70		Steam and Metal (Windows, 2015)
70		Tubular Worlds (DOS, 1994)
70		BattleStorm (Windows, 2016)
70		Castle of Shikigami III (Windows, 2006)
70		1917: The Alien Invasion (Windows, 2016)
70		Blazing Star (Windows, 2016)
70		Helicops (Windows, 1997)
70		Halo 2 (Windows, 2007)
64		Contra (DOS, 1988)
63		Blue Revolver (Windows, 2016)
61		Bomber (DOS, 1993)
60		Shmup Love Boom (Windows, 2015)
60		Astro Duel (Windows, 2016)
60		Super Cobra (Windows, 2010)
60		Gyruss (Windows, 2010)
60		Undefined Fantastic Object (Windows, 2009)
60		Bullet Soul: Infinite Burst (Windows, 2017)
60		Seihou 1: Shuusou Gyoku (Windows, 2000)
60		Overdriven Reloaded (Windows, 2016)
60		Detana!! TwinBee (Windows, 2010)
60		Finalizer: Super Transformation (Windows, 2010)
60		Maidens of a Hollow Dream (Windows, 2018)
60		Time Pilot (Windows, 2010)
60		Rival Megagun (Windows, 2018)
56		Thunderstrike (DOS, 1990)
55		Blasteroids (DOS, 1989)
55		Menace (DOS, 1989)
55		Sarge (DOS, 1989)
55		If It Moves, Shoot It! (DOS, 1989)
55		Space Snake (DOS, 1989)
55		Space Harrier (DOS, 1989)
55		Alien Syndrome (DOS, 1989)
55		Blood Money (DOS, 1990)
55		After Burner II (DOS, 1989)
55		ThunderBlade (DOS, 1989)
55		Zappa Roidz (DOS, 1989)
54		Star Dust (DOS, 1988)
54		Speed Zone (DOS, 1988)
54		Operation Harrier (DOS, 1990)
54		Side Arms Hyper Dyne (DOS, 1988)
54		Time Bandit (DOS, 1988)
54		Galactic Battle (DOS, 1990)
54		Space Miner (DOS, 1990)
54		Giant Space Slug (DOS, 1990)
54		Bedlam (DOS, 1988)
53		Descent³ (Windows, 1999)
53		Mach 3 (DOS, 1987)
53		Unreal Tournament 2004 (Windows, 2004)
53		Gamma Wing (DOS, 1991)
53		The Chronicles of Riddick: Escape from Butcher Bay (Windows, 2004)
53		Star Wars: Jedi Knight II - Jedi Outcast (Windows, 2002)
53		Outcast (Windows, 1999)
53		Starsiege: Tribes (Windows, 1998)
53		Polybius (Windows, 2018)
53		Tribes: Ascend (Windows, 2012)
53		X-Fire (DOS, 1991)
53		Star Wars: Jedi Knight - Dark Forces II (Windows, 1997)
53		Strike II (DOS, 1991)
53		Unreal Tournament 2003 (Windows, 2002)
53		Cogmind (Windows, 2017)
53		Battlestorm (DOS, 1991)
53		Slordax: The Unknown Enemy (DOS, 1991)
53		Dodgem (DOS, 1991)
52		Ricochet Infinity (Windows, 2007)
52		Everyday Shooter (Windows, 2008)
52		Waves (Windows, 2011)
52		Unreal Tournament III (Windows, 2007)
52		Alien Swarm: Reactive Drop (Windows, 2017)
52		Evolve (Windows, 2015)
52		Outcast 1.1 (Windows, 2014)
52		Torus Trooper (Windows, 2004)
52		Geometry Wars 3: Dimensions - Evolved (Windows, 2014)
52		Danmaku Unlimited 2 (Windows, 2013)
52		Mr. Smoozles Goes Nutso (Windows, 2006)
52		Teleglitch (Windows, 2012)
52		Revolver360 Re:Actor (Windows, 2014)
52		Tribes: Vengeance (Windows, 2004)
52		Tunnel Divers (Windows, 2017)
52		Crimsonland (Windows, 2003)
52		Zero G Arena (Windows, 2018)
52		Freedom Fighters (Windows, 2003)
52		Mutant Storm (Windows, 2003)
52		Starfire (DOS, 1992)
52		Destruction Zone (DOS, 1992)
52		Kaeon (DOS, 1992)
52		Shooty Skies (Windows, 2018)
52		Triclops Invasion (DOS, 1986)
52		Kiloblaster (DOS, 1992)
52		Assault Android Cactus (Windows, 2015)

Notes: Games similar to Ajax, Games like Ajax, Konami Industry Co. Ltd., Konami, Inc., DOS, Action, Sci-Fi, Futuristic, Arcade, Shooter, Behind view, Top-down, Flight, Aviation, Helicopter, Scrolling shoot 'em up, PC, Game Similarities.