93		G Darius (Windows, 2000)
92		Gundemonium Recollection (Windows, 2011)
92		Darius Gaiden (Windows, 1999)
91		Deathsmiles (Windows, 2016)
90		Maidens of a Hollow Dream (Windows, 2018)
90		Aqua Kitty (Windows, 2014)
90		Blazing Star (Windows, 2016)
90		Supercharged Robot Vulkaiser (Windows, 2007)
90		In the Hunt (Windows, 1997)
84		Sonic Princess (Windows, 2001)
65		Platypus (Windows, 2002)
65		Apidya 2002 (Windows, 2002)
64		Nebula Fighter (Windows, 2003)
64		Astrobatics (Windows, 2003)
64		Hornado (Windows, 2001)
63		Metal Slug 5 (Windows, 2004)
63		Q-YO Blaster (Windows, 2018)
63		PixelShips (Windows, 2000)
63		AfterBurn (Windows, 2004)
63		Seihou 1: Shuusou Gyoku (Windows, 2000)
63		Formation Z (Windows, 2004)
63		Blue Revolver (Windows, 2016)
63		Graze Counter (Windows, 2017)
62		Zeroth Zone (DOS, 1999)
62		Jungle Heart (Windows, 2005)
62		Metal Slug 3 (Windows, 2014)
62		Metal Slug X (Windows, 2014)
61		Good Robot (Windows, 2016)
61		Steredenn (Windows, 2015)
61		Satazius (Windows, 2011)
61		Azure Striker Gunvolt (Windows, 2015)
61		Magical Chase (Windows, 1998)
61		Procyon (Windows, 2014)
61		Cloudphobia (Windows, 2008)
61		Damnosaur (Windows, 2018)
61		Ocean Commander (Windows, 2006)
60		Super Knockoff! VS (Windows, 2018)
60		Double Kick Heroes (Windows, 2018)
60		ShineG: In the Zombies (Windows, 2017)
60		Qi Xiao Quan (DOS, 1990)
60		Fox Ranger (DOS, 1992)
60		RS-2 (DOS, 1990)
60		Forgotten Worlds (DOS, 1991)
60		Revenge of Defender (DOS, 1989)
60		Nebula Fighter (DOS, 1997)
60		Star Breaker (DOS, 1989)
60		Rival Megagun (Windows, 2018)
60		Wibarm (DOS, 1989)
60		Ninjin: Clash of Carrots (Windows, 2018)
60		Cloud Master (Windows, 2018)
60		Kamio Recoil (Windows, 2016)
60		Skunny's Desert Raid (DOS, 1993)
60		Stargunner (DOS, 1996)
60		Zangeki Warp (Windows, 2017)
60		Mega Man X (DOS, 1995)
60		Dactylus (DOS, 1997)
60		Starry Nights: Helix (Windows, 2016)
60		Mono Space (DOS, 1997)
60		Blaster! (DOS, 1997)
60		Delvion Star Interceptor (DOS, 1995)
60		Tubular Worlds (DOS, 1994)
60		2V Hoverbike (Windows, 2017)
60		Betamax (DOS, 1997)
60		Rise & Shine (Windows, 2017)
60		Fox Ranger II: Second Mission (DOS, 1993)
60		Project-X (DOS, 1994)
60		Bullet Soul (Windows, 2017)
60		Defender (DOS, 1992)
60		Stargunner (Windows, 2013)
60		Trouble Witches: Episode 1 - Daughters of Amalgam (Windows, 2007)
60		Platypus II (Windows, 2007)
60		Super Chain Crusher Horizon (Windows, 2012)
60		Redux: Dark Matters (Windows, 2014)
60		Starmaxx (DOS, 1983)
60		Don'Yoku (Windows, 2015)
60		Last Resort (Windows, 2008)
60		Thunder Faith (Windows, 2011)
60		BlastZone 2 (Windows, 2011)
60		Scramble (Windows, 2010)
60		Double Spoiler (Windows, 2010)
60		Super Cobra (Windows, 2010)
60		Time Pilot (Windows, 2010)
60		TwinBee (Windows, 2010)
60		Suguri (Windows, 2010)
60		Sol Divide (Windows, 2015)
60		Armed Seven (Windows, 2008)
60		eXceed 3rd: Jade Penetrate Black Package (Windows, 2009)
60		Pulstar (Windows, 2016)
60		Mobile Light Force (Windows, 2015)
60		Super Space Pug (Windows, 2016)
60		Galactic Attack (Windows, 1997)
60		A City Sleeps (Windows, 2014)
60		Gleylancer (Windows, 2016)
60		Assault Suit Leynos (Windows, 2016)
60		The Legend of Dark Witch (Windows, 2015)
60		Bio Hazard Battle (Windows, 2010)
60		Shmup Love Boom (Windows, 2015)
60		Armalyte (Windows, 2010)
60		Ironkraft: Road to Hell (Windows, 2015)
60		Gunstar Heroes (Windows, 2011)
53		Deep Space Waifu: Fantasy (Windows, 2018)
53		Baroque Shooting (Windows, 2000)
53		Deep Space Waifu (Windows, 2017)
53		Psyche Metal THE BLEEDING (Windows, 2004)
52		Astebreed (Windows, 2013)
50		The Eternal Castle (Windows, 2019)
50		Deep Space Waifu: Flat Justice (Windows, 2017)
50		Shutshimi: Seriously Swole (Windows, 2015)
50		Gun Wings (Windows, 2015)
40		Cat Girl without Salad: Amuse-Bouche (Windows, 2018)

Notes: Games similar to Legend of Blue, Games like Legend of Blue, Gleam Entertainment, eSofnet, Windows, Action, Post-Apocalyptic, Anime, Manga, Shooter, Side view, Naval, Watercraft, 2D scrolling, Scrolling shoot 'em up, PC, Game Similarities.