99		Uridium (DOS, 1988)
99		Space Miner (DOS, 1983)
99		Genetos (Windows, 2009)
99		Blue Rider (Windows, 2016)
99		Fox Ranger II: Second Mission (DOS, 1993)
99		Flying Tigers II (DOS, 1994)
99		Highway Fighter (DOS, 1994)
99		Seihou 1: Shuusou Gyoku (Windows, 2000)
99		DemonStar (Windows, 1998)
99		AIPD: Artificial Intelligence Police Department (Windows, 2016)
99		Shmup Love Boom (Windows, 2015)
99		Procyon (Windows, 2014)
99		Ikaruga (Windows, 2014)
99		Zenodyne R (Windows, 2016)
99		Star Drifter (Windows, 2016)
99		Star Monkey (Windows, 2001)
99		Jamestown: Legend of the Lost Colony (Windows, 2011)
99		B.U.G.S. (Windows, 1998)
99		Zenohell (Windows, 2015)
99		Blue Revolver (Windows, 2016)
99		Abaron (DOS, 1995)
99		Xiizeal (Windows, 2015)
99		BlastZone 2 (Windows, 2011)
99		Super Chain Crusher Horizon (Windows, 2012)
99		HellStar Squadron (Windows, 2018)
99		Jet Buster (Windows, 2017)
99		DemonStar: Secret Missions 2 (Windows, 2003)
99		DemonStar: Secret Missions 1 (Windows, 2002)
99		Galactic Attack (Windows, 1997)
99		Astro Assembler (Windows, 2001)
99		Fire Arrow (Windows, 2013)
99		Raiden II (Windows, 1997)
99		Dark Corona Pegasus (Windows, 1997)
99		Undefined Fantastic Object (Windows, 2009)
99		Rival Megagun (Windows, 2018)
99		Wolflame (Windows, 2014)
99		Tyrian (DOS, 1995)
94		Steam and Metal (Windows, 2015)
94		Zangeki Warp (Windows, 2017)
92		Deep Space Waifu (Windows, 2017)
90		Broken Bots (Windows, 2016)
90		Bladestar (Windows, 2016)
90		TwinBee (Windows, 2010)
87		Starward Rogue (Windows, 2016)
85		Steredenn (Windows, 2015)
85		Particle Mace (Windows, 2015)
85		Galak-Z: The Dimensional (Windows, 2015)
85		Bezier (Windows, 2016)
85		Project Starship (Windows, 2016)
85		Livelock (Windows, 2016)
85		Space Beret (Windows, 2016)
85		The Caravan: Truxtribute (Windows, 2016)
85		Pulstar (Windows, 2016)
85		Blazing Star (Windows, 2016)
85		Countdown (Windows, 2016)
84		Dimension Drive (Windows, 2017)
84		Vortex Attack (Windows, 2015)
84		Pixel Star (Windows, 2015)
84		Exowar (Windows, 2015)
84		Nighthaw-X3000 (Windows, 2017)
84		2V Hoverbike (Windows, 2017)
84		Stellatum (Windows, 2017)
84		ionAXXIA (Windows, 2017)
84		Mobile Light Force 2 (Windows, 2017)
84		Evil Glitch (Windows, 2017)
84		Pizzarian (Windows, 2015)
84		Override (Windows, 2017)
84		Omega One (Windows, 2017)
84		Icarus-X: Tides of Fire (Windows, 2015)
84		Fire Arrow+ (Windows, 2017)
84		The Hurricane of the Varstray: Collateral Hazard (Windows, 2015)
84		Gun Wings (Windows, 2015)
84		Raiden IV (Windows, 2015)
83		Major Stryker (Windows, 2014)
83		Varion (Windows, 2018)
83		Hyperbolic Ignition (Windows, 2018)
83		1 Hit Kill (Windows, 2018)
83		Super Killer Hornet: Resurrection (Windows, 2014)
83		Broken Pearl (Windows, 2014)
83		Starship Rubicon (Windows, 2014)
83		Project Root (Windows, 2014)
83		Saviors (Windows, 2014)
83		Crimzon Clover: World Ignition (Windows, 2014)
82		Battle Squadron (Windows, 2013)
82		Stargunner (Windows, 2013)
81		Alien Stars (Windows, 2008)
81		Assault Android Cactus (Windows, 2015)
81		Xenon 2000: Project PCF (Windows, 2000)
81		Astro Avenger II (Windows, 2008)
81		Raptor: Call of the Shadows (DOS, 1994)
80		1942 (Windows, 2001)
80		Moonwalker (DOS, 1989)
80		Sky Shark (DOS, 1989)
80		Betamax (DOS, 1997)
80		Crimzon Clover (Windows, 2010)
80		Assault Wing (DOS, 1998)
80		Drone (DOS, 1997)
80		Pixel Force: Halo (Windows, 2011)
80		Mono Space (DOS, 1997)
80		Fuck Space! (Windows, 2006)
80		Hellraider (DOS, 1989)
80		Better Dead Than Alien! (DOS, 1988)
80		Mad Show (DOS, 1988)
80		The Fall of Atlantis (Windows, 2003)
80		Angelfish (Windows, 2006)
80		Blaster! (DOS, 1997)
80		Supercharged Robot Vulkaiser (Windows, 2007)
80		Xenon (DOS, 1989)
80		Tyrian 2000 (DOS, 1999)
80		Marsh (Windows, 2010)
80		Protoganda: Strings (Windows, 2007)
80		Bio Hazard Battle (Windows, 2010)
80		Tyrian 2000 (Windows, 1999)
80		Space Strike (Windows, 2007)
80		Irukandji (Windows, 2009)
80		Absolute Terror (Windows, 2000)
80		PixelShips (Windows, 2000)
80		Astro Tripper (Windows, 2009)
80		Subterrain (Windows, 2016)
80		Super Mustache (Windows, 2016)
80		Out 'M' Up (DOS, 2000)
80		Star Breaker (DOS, 1989)
80		Crusaders of Space: Open Range (Windows, 2004)
80		Drone (Windows, 1999)
80		Nebula Fighter (Windows, 2003)
80		Astro Avenger (Windows, 2005)
80		Raptor: Call of the Shadows (Windows, 1997)
80		AfterBurn (Windows, 2004)
80		Zeroth Zone (DOS, 1999)
80		Starmaxx (DOS, 1983)
80		Platypus (Windows, 2002)
80		Mission Mopreme 32K (DOS, 1997)
80		Major Stryker (DOS, 1993)
80		Project-X (DOS, 1994)
80		Nebula Fighter (DOS, 1997)
80		Defender (DOS, 1992)
80		StarMines II: Planet of the Mines (DOS, 1992)
80		Rath-Tha (DOS, 1992)
80		Stargoose Warrior (DOS, 1989)
80		Gun Viper (Windows, 2002)
80		Knightmare (DOS, 1992)
80		Alien Breed: Tower Assault (DOS, 1994)
80		The Reap (Windows, 1997)
80		Dunjax (Windows, 2001)
80		Urban Uprising: Dark New World (Windows, 2006)
80		Hornado (Windows, 2001)
80		RayStorm (Windows, 2001)
80		Future Dimensions (DOS, 1995)
80		chromium B.S.U. (Windows, 2001)
80		Parsec Man 3D (DOS, 1994)
80		Delvion Star Interceptor (DOS, 1995)
80		Galax-E-Mail (Windows, 2008)
80		Cho Ren Sha 68k (Windows, 2001)
80		Fox Ranger (DOS, 1992)
80		Jetsons: The Computer Game (DOS, 1992)
80		Stargunner (DOS, 1996)
80		River Raid II (Windows, 2010)
80		Forgotten Worlds (DOS, 1991)
80		Dunjax (DOS, 1990)
80		Alien Breed (DOS, 1993)
80		Dawn Raider (DOS, 1990)
80		RS-2 (DOS, 1990)
80		Jackson City (DOS, 1990)
80		Time Pilot (Windows, 2010)
80		Kartoffelpüree: Der Gemüseshooter (Windows, 2001)
80		MegaDestroyer Frantis (DOS, 1991)
80		Dragon Spirit (DOS, 1991)
80		Trauma (DOS, 1995)
80		Raiden III (Windows, 2006)
80		xSynergy Gate (Windows, 2002)
80		Revenge of Defender (DOS, 1989)
79		Wild Frontera (Windows, 2015)
79		It came from space, and ate our brains (Windows, 2015)
79		SturmFront: The Mutant War (Windows, 2015)
78		DoDonPachi Resurrection (Windows, 2016)
77		Beat Da Beat (Windows, 2016)
77		Mushihimesama (Windows, 2015)
77		Sora (Windows, 2016)
76		Neon Chrome (Windows, 2016)
76		Alien Swarm: Reactive Drop (Windows, 2017)
76		Q-YO Blaster (Windows, 2018)
75		Astervoid 2000 (Windows, 2016)
75		RefleX (Windows, 2014)
75		Aircraft War X (Windows, 2016)
75		Dogos (Windows, 2016)
75		Star Project (Windows, 2016)
75		Super Space Pug (Windows, 2016)
75		The Way (Windows, 2016)
75		BattleStorm (Windows, 2016)
74		Game Tengoku: CruisinMix (Windows, 2017)
74		12 is Better Than 6 (Windows, 2015)
74		Mines of Mars (Windows, 2015)
74		One Star (Windows, 2017)
74		Red Death (Windows, 2017)
74		Universe in Fire (Windows, 2017)
74		Space Ripper (Windows, 2017)
74		Defenders of Ekron (Windows, 2017)
74		Deltazeal (Windows, 2015)
74		Don'Yoku (Windows, 2015)
74		Sky Force: Anniversary (Windows, 2015)
74		Mobile Light Force (Windows, 2015)
74		Starblast (Windows, 2017)
74		Invasion (Windows, 2015)
74		Bloodbath Kavkaz (Windows, 2015)
74		Spaceship Trucker (Windows, 2017)

Notes: Games similar to 1917: The Alien Invasion, Games like 1917: The Alien Invasion, Andrade Games, Andrade Games, Windows, Action, Europe, Sci-Fi, Futuristic, World War I, Arcade, Shooter, Top-down, 2D scrolling, Unity, Scrolling shoot 'em up, PC, Game Similarities.