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Games Like Space Defense Special Force - The Origin of the Union

60+ similar titles based on shared tags and player behavior. Themes include Shoot 'Em Up, Arcade, Action, Sci-fi.

Space Defense Special Force - The Origin of the Union header art

Frenetic 2D action in the style of Space Invaders! Customize your spaceship, face hordes of enemies, and challenge yourself in multiple modes, including Campaign, Arcade, Invasion, and Survival. Upgrade your ship, collect power-ups, and face unique challenges in every battle.

Reviews: No user reviews — 50%
Released: 2024-12-16
Developer: Ninetales Studios
Genres: Action, Early Access
Platforms: Windows

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  1. #1 GALXAGAR
    97% match3 user reviews67% of 3 reviews2022
    Dev: MoonMuse Entertainment
    Windows

    "Don't go to GALXAGAR"; a phrase uttered by many who have traversed its rim. Untold treasures, and terrors, await within its blackened depths. Ready your craft, spacefarer, because you're about to enter the most dangerous sector in all the stars. Get ready.. for GALXAGAR!

    Why similar: Shoot 'Em Up 22.3%, Bullet Hell 14%, Arcade 10.6%, Top-Down 9.3%, Space 8.2%

  2. #2 The Battle of Aurinoxia
    96% matchPositive75% of 12 reviews2026
    Dev: N11 Games Division
    Windows

    A retro space shoot 'em up with pixel art graphics, unique enemies, tough angry bosses, and a killer soundtrack. You are among the first pilots to arrive in the system to mount the counteroffensive against the aggressors. Get out there and show these aliens the price for messing with The Alliance!

    Why similar: Shoot 'Em Up 25.3%, Bullet Hell 16.9%, Arcade 11.5%, Top-Down 8.9%, Space 8.2%

  3. #3 Starlight: Eye of the Storm
    96% matchPositive93% of 27 reviews2021
    Dev: Strides Interactive Game Studio
    Windows

    SHOOT 'EM UP!Starlight: Eye of The Storm is a 2D Vertical SHMUP set in a 3D background. Unleash your special powers, upgrade your weapons! Take on 10 Arcade stages or 15 Campaign missions! Drift (auto-pivot mode) behind your enemies and take them on with style!

    Why similar: Shoot 'Em Up 19.2%, Space 12.1%, Bullet Hell 12.1%, Arcade 9.8%, Retro 9.2%

  4. #4 Star Jet Alpha
    94% matchNo user reviews
    Dev: Valles Games
    Windows · Mac

    Star Jet Alpha is a top-down space shooter inspired by classic arcade games. Progress through each stage by blowing up enemy space stations while avoiding or destroying enemy missiles, space mines and asteroids. Unlock Star Jet capabilities by completing stages.

    Why similar: Shoot 'Em Up 19.6%, Space 15.8%, Bullet Hell 12.6%, Arcade 11.9%, Retro 8%

  5. #5 The Core Message
    95% matchNo user reviews2020
    Dev: Freedom Software
    Windows

    Combining retro puzzles and a arcade space shooter. You and your crew found strange materials in the galaxy core to upgrade your ship to the most powerful. While collecting core materials you came across something unbelievable ... The Core Message. The Core Message changes everything.

    Why similar: Shoot 'Em Up 25.7%, Bullet Hell 16.1%, Space 15.9%, Retro 15%, Arcade 12.8%

  6. #6 RESHOOTER
    94% matchNo user reviews
    Dev: spieleschreiber
    Windows

    RESHOOTER offers heart-pounding shoot-em-up action that elevates classic arcade gameplay to the next level. Dive into the retroflow with electrifying visuals, immersive audio, and captivating mechanics.

    Why similar: Shoot 'Em Up 16.8%, Arcade 16%, Retro 14%, Sci-fi 11.1%, Space 10.2%

  7. #7 Orbital Siege
    93% match1 user reviews100% of 1 reviews2025
    Dev: Orbitforge Interactive
    Windows

    Reclaim the arcade. This is a high-octane space shooter where vibrant pixel art meets relentless alien armadas. Master your orbital defenses and survive the ultimate galactic onslaught.

    Why similar: Shoot 'Em Up 23.9%, Retro 15.7%, Arcade 12.9%, Bullet Hell 11.6%, Space 10.3%

  8. #8 Cosmo Chaser
    92% match2 user reviews50% of 2 reviews2019
    Dev: Choi Jaewook
    Windows

    Cosmo Chaser is space fighter action game which presents restless shooting battle. It demonstrates new style of vertical scroll shooter by presenting classic arcade action in 3D space.

    Why similar: Shoot 'Em Up 25.8%, Bullet Hell 15.1%, Retro 14.2%, Space 14.1%, Sci-fi 9.9%

  9. #9 Suicide Runners
    91% match1 user reviews0% of 1 reviews2024
    Dev: JTW
    Windows

    Classic 2D shoot em up with updated graphics. Dodge a storm of bullets as you blast through space shooting hordes of enemies. Collect powerups to survive against fearsome bosses. Pilot a suicide runner as you fight to unravel the mystery of what is destroying the universe.

    Why similar: Shoot 'Em Up 26.6%, Retro 13.9%, Bullet Hell 13%, Arcade 13%, Action 9.3%

  10. #10 Golgalian
    90% match3 user reviews100% of 3 reviews2025
    Dev: Atael
    Windows

    Pilot the tank Golgalian in an endless micro shoot 'em up inspired by arcades old and new. Blast mechs, dodge bullets, and compete on the global leaderboard!

    Why similar: Shoot 'Em Up 26.3%, Bullet Hell 14.4%, Arcade 13.4%, Retro 10.9%, Top-Down 8.3%

  11. #11 STURMWIND EX
    91% matchPositive81% of 42 reviews2019
    Dev: b-alive
    Windows

    STURMWIND EX is a shoot-em up in the tradition of old arcade games. If it moves - shoot it!

    Why similar: Shoot 'Em Up 25.1%, Bullet Hell 13.5%, Space 13.2%, Retro 12%, Arcade 11.2%

  12. #12 Invaliens
    89% match1 user reviews0% of 1 reviews2020
    Dev: Galactic Droids Ltd
    Windows

    Retro arcade classic, Defeat a million invaders from another dimension in this side scrolling shoot'em up.

    Why similar: Shoot 'Em Up 29.3%, Bullet Hell 15.1%, Arcade 10.7%, Space 9.8%, Flight 6%

  13. #13 Space Demon Combat Tactics III
    89% match2 user reviews100% of 2 reviews2022
    Dev: Matt Kuhn
    Windows

    Join the High Commander as the eternally loyal Green in an epic journey to save the Blues from the menace of the Greys and their evil Red Gems!

    Why similar: Shoot 'Em Up 27.8%, Arcade 16.4%, Space 13.3%, Action 11.7%, Sci-fi 8.9%

  14. #14 WOLFLAME
    88% matchVery Positive85% of 116 reviews2016
    Dev: ASTRO PORTPub: Henteko Doujin
    Windows · Linux
    Median: 3.1 hrsMean: 3.6 hrs≥1hr: 88%

    Brought to you by the makers of GIGANTIC ARMY, Supercharged Robot VULKAISER, and SATAZIUS, WOLFLAME is a return to the form of glorious 2D vertical vertical shooters like Raiden, Raptor, and Twin Cobra.

    Why similar: Shoot 'Em Up 32.7%, Arcade 14%, Bullet Hell 13.4%, Retro 8.9%, Top-Down 8.5%

  15. #15 Laser Droplets
    87% match1 user reviews100% of 1 reviews2021
    Dev: Kikashi Online
    Windows · Mac

    Laser Droplets is a mixture of shoot ‘em up, bullet-hell, arcade styled, 2D game. It consists of 16 mini stages, each with a unique stage boss.

    Why similar: Shoot 'Em Up 26.2%, Bullet Hell 17.9%, Arcade 17.1%, Action 8.8%, Space 8.6%

  16. #16 Defender's Squad: The Last Ride
    86% match3 user reviews100% of 3 reviews2025
    Dev: JMC
    Windows · Linux

    Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

    Why similar: Shoot 'Em Up 25.2%, Space 14.6%, Top-Down 11.8%, Arcade 11%, Retro 9.4%

  17. #17 Stranded in the Abyss
    86% matchNo user reviews2027
    Dev: studio cyber turtle
    Windows

    Stranded in the abyss is a shoot-em-up in a unique sci-fi sci-environment where you command a massive squad of ships in an endless war Against an evil rebellion. Shoot command and bomb your way through hundreds of enemy fighters, capital ships, and skirmishes.

    Why similar: Shoot 'Em Up 30.3%, Bullet Hell 16.9%, Arcade 13.3%, Space 11.2%, Retro 7.1%

  18. #18 Space & Pixels
    85% matchNo user reviews
    Dev: Basil Masil
    Windows

    Space & Pixels is a top-down space shooter with classic gameplay. Battle through each level, blast lots of enemies, upgrade your ship's firepower, and uncover the truth behind your dangerous mission.

    Why similar: Shoot 'Em Up 28.1%, Arcade 17.3%, Action 12.5%, Space 12.3%, Top-Down 10.6%

  19. #19 Syder Arcade
    84% matchVery Positive84% of 692 reviews2013
    Dev: Studio Evil
    Windows · Mac · Linux
    Median: 3.2 hrsMean: 4.5 hrs≥1hr: 90%

    Killing zombies never gets old, but sometimes you just need a break. Get back to some serious old-school gaming with Syder Arcade! Syder Arcade is a love letter to Amiga games of the ‘90s, no coins, no upgrade grinding, just your tenacity and a motherload of alien invaders.

    Why similar: Shoot 'Em Up 38.1%, Bullet Hell 12.6%, Arcade 12.5%, Space 10.4%, Retro 8.5%

  20. #20 Shooty
    84% match5 user reviews100% of 5 reviews2022
    Dev: RiceyCode Studios
    Windows

    A space arcade shooter with light rogue-like elements.

    Why similar: Shoot 'Em Up 34.2%, Arcade 14.2%, Retro 13.8%, Space 11.4%, Action 9%

  21. #21 Lobstar: Arcade Version
    83% matchNo user reviews2026
    Dev: Team Lobstar
    Windows · Mac · Linux

    Punch through the cosmos! An arcade-inspired shoot-em-up where you play as an immortal lobster speeding through space.

    Why similar: Shoot 'Em Up 22.8%, Bullet Hell 14.9%, Arcade 14.4%, Top-Down 9.2%, Retro 9%

  22. #22 Danmaku Unlimited 4 WYVER ULTRA
    82% matchNo user reviews
    Dev: Doragon Entertainment
    Windows

    Arise Wyver and fly against overwhelming odds in this modern labor of love tribute to classic shoot'em ups!

    Why similar: Shoot 'Em Up 22.8%, Bullet Hell 13.5%, Space 12.3%, Arcade 11.2%, Retro 10.8%

  23. #23 Escape 2 Space
    82% matchNo user reviews
    Dev: ShidyGames
    Windows

    Embark on a thrilling journey as a space mercenary! Customize your ships with powerful weapons and modules, choose contracts and destinations, and battle enemy fleets and epic bosses. Your decisions shape the universe around you, so forge your path in this action-packed space shooter!

    Why similar: Shoot 'Em Up 23.3%, Bullet Hell 14.5%, Arcade 13.3%, Space 12.1%, Retro 9%

  24. #24 BLASTER MAYHEM
    81% matchNo user reviews
    Dev: Stormduck
    Windows

    Weave and cleave your way through walls of bullet and push your score to unknown limits in this aggressive Shoot'em'up to save humanity from its own hubris

    Why similar: Shoot 'Em Up 31.2%, Bullet Hell 16.6%, Arcade 13.3%, Space 7.5%, Action 6.7%

  25. #25 SOLSTORM
    81% matchNo user reviews
    Dev: Jerry Zhu
    Windows · Linux

    SOLSTORM is a classic hand-crafted arcade bullet hell, skillfully weave, and dodge through 9 stages with waves of projectiles as you persevere and see a space odyssey to the end!

    Why similar: Shoot 'Em Up 21.9%, Bullet Hell 14.1%, Space 10.8%, Arcade 10.7%, Top-Down 8.9%

  26. #26 Vektor Z
    80% match5 user reviews60% of 5 reviews2022
    Dev: ZaxtorGameS
    Windows

    Vektor Z brings fast and furious retro space blasting action to Steam! Blast your way through endless waves of asteroids and enemies to write your name among the stars! Vektor Z offers a rogue-like arcade action game where you'll improve your progress every time you play!

    Why similar: Shoot 'Em Up 25.7%, Bullet Hell 16.9%, Arcade 15.9%, Action 11%, Retro 9.6%

  27. #27 Escape Space
    78% matchPositive90% of 31 reviews2024
    Dev: ShidyGames
    Windows

    Escape Space is a classic arcade space shooter with RPG mechanics. Fight for various factions against swarms of enemies or bosses and improve your standings, level up your rank, unlock new gear and weapons, and upgrade your spaceship.

    Why similar: Shoot 'Em Up 24.9%, Space 16.6%, Bullet Hell 13.7%, Arcade 11.4%, Retro 8.4%

  28. #28 Asteroids
    79% matchPositive96% of 26 reviews2022
    Dev: Play Asteroids
    Windows

    Another version of the classic Asteroids game

    Why similar: Shoot 'Em Up 25%, Arcade 15.6%, Action 10.2%, Space 10%, Top-Down 9.3%

  29. #29 Syder Reloaded
    77% matchPositive96% of 23 reviews2025
    Dev: Studio Evil
    Windows

    Syder Reloaded revives the Syder series in this love-letter to 90s Amiga shmups with upgraded graphics and refined gameplay. Challenging levels, a fleet of ships and a motherload of alien invaders. Get back to your roots and curse at your monitor in this skills-first shooter.

    Why similar: Shoot 'Em Up 23.8%, Space 14%, Bullet Hell 13.5%, Retro 12.1%, Arcade 11.8%

  30. #30 PRISMIDIA: Spirit of the Rift
    79% matchNo user reviews
    Dev: Chain Damage Games
    Windows

    PRISMIDIA: Spirit of the Rift is a sci-fi shoot 'em up game in the style of arcade classics. Dodge barrages of attacks, survive bullet hell bosses, and save Prismidia!

    Why similar: Shoot 'Em Up 26.1%, Bullet Hell 16.3%, Arcade 11.5%, Space 9.4%, Retro 9.3%

  31. #31 Crimzon Clover World EXplosion
    76% matchVery Positive97% of 357 reviews2021
    Dev: YOTSUBANEPub: KOMODO
    Windows
    Median: 1.3 hrsMean: 8.0 hrs≥1hr: 52%

    Prepare yourself for an insatiable rain of bullets, bombs, and beams in Crimzon Clover. Earn all the power-ups for an overpowered experience in the all new ARRANGE version.

    Why similar: Shoot 'Em Up 31.1%, Bullet Hell 18.6%, Arcade 15.7%, Action 8.7%, Top-Down 7.6%

  32. #32 Astro Fighters
    76% matchPositive94% of 31 reviews2025
    Dev: Paul Connor
    Windows

    Astro Fighters is a tough old school vertical scrolling bullet hell shooter designed to test your skills with non-stop arcade style action. Fight against large bosses at the end of every level and compete for the high score across 4 difficulty modes to be the best fighter pilot in the game.

    Why similar: Shoot 'Em Up 25.7%, Bullet Hell 14.5%, Arcade 11.6%, Space 10.5%, Top-Down 9.7%

  33. #33 Super Galaxy Squadron EX Turbo
    78% matchVery Positive84% of 602 reviews2015
    Dev: SynsetPub: New Blood Interactive
    Windows · Linux
    Median: 3.0 hrsMean: 3.4 hrs≥1hr: 85%

    Super Galaxy Squadron is a fast-paced vertical shooter designed for human beings as well as SHMUP veterans. Featuring multiple game modes, a challenging but merciful difficulty curve, forgiving health system, and SEVENTEEN playable ships.

    Why similar: Shoot 'Em Up 33.4%, Bullet Hell 19.7%, Retro 15%, Arcade 10.8%, Action 7.3%

  34. #34 Atomic Guardians
    77% match4 user reviews100% of 4 reviews2021
    Dev: Mosh Jason Games
    Windows

    ATOMIC GUARDIANS is a fully CO-OP arcade retro shoot 'em up, where one player flies the ship, and the other player mans the shields. Fight your way through a never ending horde of Brutal Bosses, Alien Monsters and Gigantic Asteroids as you rack up a new world-wide high score. Play with up to three friends, and see how long you can last!

    Why similar: Shoot 'Em Up 22.9%, Bullet Hell 14.4%, Arcade 12.9%, Space 11%, Retro 10.3%

  35. #35 Z-Warp
    74% matchPositive100% of 25 reviews2022
    Dev: Panda Indie StudioPub: Eastasiasoft Limited
    Windows

    Z-Warp is an intense vertical shoot’em up presented in retro pixel art style, featuring frenetic arcade-inspired action where blasters, bombs and KILLER specials are your only allies.

    Why similar: Shoot 'Em Up 31.3%, Bullet Hell 20.7%, Retro 13.3%, Space 10.4%, Action 7.2%

  36. #36 Space Blade
    75% matchNo user reviews
    Dev: Mountain Of Games
    Windows

    Single player, top down, retro space-shooter, destroy enemies and fight bullet-hell bosses, upgrade during runs and after them to progress further and faster.

    Why similar: Shoot 'Em Up 33%, Bullet Hell 16.1%, Space 11.7%, Arcade 11.6%, Retro 8.2%

  37. #37 Monkey King: Master of the Clouds | 中華大仙
    75% matchMostly Positive73% of 22 reviews2018
    Dev: Starfish-SD Inc.Pub: Retroism
    Windows

    Join Micheal Chang, the Monkey King, on his journey through famous landmarks of ancient China and fight off mythical creatures and legends in this classic arcade shooter.

    Why similar: Shoot 'Em Up 34.3%, Retro 16.9%, Arcade 15.8%, Action 15.7%, Bullet Hell 12.2%

  38. #38 Cosmic Cleaner
    72% match4 user reviews100% of 5 reviews2023
    Dev: CRUSTSLICE
    Windows

    A stylish sci-fi arcade shooter about cleansing the galaxy of pesky demons! Cosmic Cleaner is a fast-paced, high score chasing action game that progressively gets more challenging. Designed for quick and easy fun.

    Why similar: Shoot 'Em Up 25.2%, Retro 16.2%, Arcade 15.1%, Space 13.7%, Action 10.5%

  39. #39 Power-Up
    74% matchMixed58% of 263 reviews2014
    Dev: Psychotic Psoftware
    Windows
    Median: 5.0 hrsMean: 5.6 hrs≥1hr: 97%

    A fast-paced retro shoot-'em-up featuring evolving weapons, intense arcade combat and massive bosses — from one-man studio Psychotic Psoftware.

    Why similar: Shoot 'Em Up 30.3%, Retro 13.9%, Space 12.8%, Bullet Hell 11.7%, Arcade 8%

  40. #40 Distant Space
    72% matchVery Positive86% of 2,983 reviews2016
    Dev: PixelMouse
    Windows
    Median: 3.7 hrsMean: 9.4 hrs≥1hr: 79%

    Distant Space are present the arcade game of cosmic fights in arcade style of the 80's, this is a game where you can control the spaceship and forced to destroy extraterrestrials, which are moving in the certain order.

    Why similar: Shoot 'Em Up 31.5%, Space 18.2%, Arcade 14.1%, Retro 9.2%, Bullet Hell 8.2%

  41. #41 Asteroid 69
    73% matchNo user reviews2026
    Dev: Moonlight Workshop LLC
    Windows

    Rogue asteroids have been detected heading toward earth. You are the pilot of experimental spacecrafts to destroy the impending danger. Fight solo or up to 4 players. Outerspace is full of lethal rocks and strange creatures out to stop you. Don't let your planet down!

    Why similar: Shoot 'Em Up 32%, Arcade 13.8%, Top-Down 11.6%, Space 10.9%, Retro 7.7%

  42. #42 AlphaBlue
    73% matchNo user reviews
    Dev: Dream Stories
    Windows · Mac · Linux

    Cross the universe, shoot aliens, upgrade your weapons and face powerful bosses with AB in this retro inspired lateral shoot 'em up to save the world. Adventure into Campaign Mode or face the never-ending waves of Endless Mode with suitable challenges for all skill levels.

    Why similar: Shoot 'Em Up 22.4%, Retro 12.3%, Bullet Hell 10.9%, Space 10.5%, Arcade 10.4%

  43. #43 Cosmolon
    70% match2 user reviews100% of 2 reviews2025
    Dev: Se7enZ Studio
    Windows

    Cosmolon is a sci-fi spaceship shooter inspired by classic arcade and MS-DOS games. You control a ship that can boost around, level up, and destroy wave upon wave of enemy ships with beautiful pixel art plasma bolts and explosions. Nab fancy power-ups and fend off unique enemies. Can you survive?

    Why similar: Shoot 'Em Up 28.7%, Arcade 11.5%, Top-Down 10.4%, Flight 9.9%, Space 9%

  44. #44 Echoes+
    70% matchVery Positive92% of 857 reviews2015
    Dev: Binary Zoo
    Windows · Mac
    Median: 24 minMean: 2.7 hrs≥1hr: 27%

    Echoes+ is an intense retro action space shooter that will test your reaction and concentration levels to the max!

    Why similar: Shoot 'Em Up 32.1%, Bullet Hell 20.4%, Action 13.7%, Space 12.5%, Arcade 11.4%

  45. #45 1x! Space Adventure
    71% match8 user reviews100% of 8 reviews2020
    Dev: Lunar Madcap
    Windows

    1x! Space Adventure is an arcade top-down shump with gradually increasing difficulty.

    Why similar: Shoot 'Em Up 25.7%, Arcade 17%, Bullet Hell 16%, Action 11.9%, Space 10%

  46. #46 Draco Space X
    73% matchNo user reviews2021
    Dev: Abraham Eduardo Zarate Mejia
    Windows

    2D Arcade space action game, in which you will face different challenges. You must manage to kill your enemies or survive from them! Venture to discover a new universe full of lights!

    Why similar: Shoot 'Em Up 23.7%, Bullet Hell 16.3%, Arcade 13%, Action 10.5%, Space 9.8%

  47. #47 Nevultra
    70% match4 user reviews100% of 4 reviews2023
    Dev: Zoblin Multimedia
    Windows

    Nevultra is an exciting shoot'em up that will take you back to the 8bit/16bit era. The protagonist, Nina, needs your help to reach her destination in deep space.

    Why similar: Shoot 'Em Up 31.8%, Arcade 14.7%, Bullet Hell 14.5%, Space 9.4%, Retro 9.3%

  48. #48 Gunvein
    68% matchVery Positive97% of 212 reviews2022
    Dev: NGDEV
    Windows

    Gunvein is a dynamic, aggression-based bullet hell shoot em up where you use lock on lasers, charged weapons, bombs & hypers to overwhelm the enemies before they overwhelm you.

    Why similar: Shoot 'Em Up 39.8%, Bullet Hell 19.3%, Arcade 15%, Action 8.7%, Sci-fi 7.3%

  49. #49 Solar War
    71% matchNo user reviews2025
    Dev: Andrew M.
    Windows · Mac · Linux

    The planets have orbited peacefully for countless millennia. But then… BOOM! Now all orbital bodies are free to move independent of gravity (and they can respawn when defeated too.) You're The Earth… good luck!

    Why similar: Shoot 'Em Up 33.7%, Bullet Hell 17.9%, Arcade 14.3%, Space 9.5%, Action 8.5%

  50. #50 Super Dash
    68% matchPositive100% of 14 reviews2025
    Dev: Gustavo PassosPub: CULT Games
    Windows · Linux

    Dash through enemies, collect power ups and survive waves of enemies in this fast paced bullet-hell

    Why similar: Shoot 'Em Up 25.3%, Bullet Hell 15.9%, Arcade 12.5%, Retro 11.2%, PvE 8.9%

  51. #51 Zero Wrath Vendetta
    71% match1 user reviews100% of 1 reviews2020
    Dev: Incandescent Workshop LLC
    Windows

    Dodge enemy beams with your space fighter, kill huge bosses, and sing along to seven distinct songs in this unique rock opera videogame.

    Why similar: Shoot 'Em Up 35.5%, Arcade 14.3%, Action 10.1%, Space 10%, Top-Down 8.6%

  52. #52 STARR RINGER
    69% match5 user reviews100% of 5 reviews2022
    Dev: Sterling McKay
    Windows

    Grab the fate of all life in your hands. Blast your way through the cosmos, destroying monstrous cosmic beasts and the space cultists summoning them, on your path to stopping your mother from unleashing the chaos realm upon the universe, in this sci-fi cosmic horror bullet-hell, STARR RINGER.

    Why similar: Shoot 'Em Up 21.6%, Bullet Hell 14%, Arcade 12.9%, Retro 12.3%, Sci-fi 11.6%

  53. #53 Lilac 0
    66% matchVery Positive95% of 73 reviews2025
    Dev: Bullet Prince
    Windows

    The machine world of Molybdion has fallen into disarray. As Nidhogg eats the root of the planet, unending wars rage on the surface! Slice your way through hordes of metallic foes in five frantic levels, defeat fearsome bosses, and dodge countless bullets in this vintage vertical shoot 'em up.

    Why similar: Shoot 'Em Up 29.6%, Bullet Hell 16.5%, Arcade 14.7%, Retro 10.3%, Action 6.9%

  54. #54 Return Ace
    69% match1 user reviews0% of 1 reviews2022
    Dev: NEROTA
    Windows

    Be shot and shoot back! Rule reversal type Shmup "Return Ace"What you have been given is the power to take advantage of the oncoming malice and return it.Please enjoy the unique sense of incompatibility, tension, and striking that the experience of bullet energy weaves.

    Why similar: Shoot 'Em Up 27.6%, Bullet Hell 16.1%, Arcade 12.5%, Top-Down 10.1%, Sci-fi 7.4%

  55. #55 Astro Busters
    65% matchPositive100% of 18 reviews2025
    Dev: Michael PrymusPub: Astrobuster Studios
    Windows

    Have You Been Waiting for a Modern Take on Classic Asteroid Shooters? 🚀 Your wait might just be over! Astro Busters brings you a fun space shooter with realistic physics, responsive controls and thrilling arcade action. Take on missions, upgrade your weapons, ships and fight solo or in multiplayer.

    Why similar: Shoot 'Em Up 24.3%, Space 16.7%, Arcade 13%, Retro 12.7%, Top-Down 10.5%

  56. #56 Paper Nebula
    67% matchPositive94% of 17 reviews2022
    Dev: Pixel Bakery
    Windows

    Paper Nebula is a fast-paced arcade-style scroller, reinvented as a Roguelike! This space shooter will have you blasting through endless waves of alien ships while trying to scout a way out of the nebula. With adorable paper-style graphics and intense gameplay, who wouldn't want to be trapped here?

    Why similar: Shoot 'Em Up 18.7%, Space 14.8%, Bullet Hell 12.2%, Arcade 11.2%, Top-Down 9%

  57. #57 Galactic Mecha GunSuit
    69% matchNo user reviews2026
    Dev: Theosoft
    Windows

    A linear danmaku shoot-em-up with some visual novel elements. Clear 6 stages across 4 difficult settings, each with unique enemy spawns, bullet patterns and boss phases. The game is structured to have each difficulty cleared in sequence, with the full plot unfolding across each one.

    Why similar: Shoot 'Em Up 19.6%, Arcade 14.7%, Bullet Hell 14%, Action 9.9%, Space 9%

  58. #58 Fiery Rivaz
    67% match3 user reviews100% of 3 reviews2023
    Dev: Tim Nicolai
    Windows

    Fiery Rivaz - Reanimate Shmups !!! It's time to revive the shmup genre. You can expect a shooter that focuses on varied and innovative level design. It is accompanied by cool 3d graphics and a great soundtrack.

    Why similar: Shoot 'Em Up 29.2%, Bullet Hell 16.4%, Space 12.6%, Action 11.4%, Top-Down 10.5%

  59. #59 Tecroroid Assault
    68% match4 user reviews75% of 4 reviews2019
    Dev: WizByte Games
    Windows

    A synthetic race has come to your planet to steal your technology, And you have to fight them off. Fight off the Tecroroid invasion as they sent wave after wave of enemies to the planet.

    Why similar: Shoot 'Em Up 38.3%, Retro 19.4%, Arcade 19.2%, Action 9.5%, 2D 7.4%

  60. #60 Vectoraid
    67% matchNo user reviews2026
    Dev: James Suret
    Windows · Linux

    A neon retro Asteroids inspired arcade game with persistent progression, upgrades and cosmetics to unlock. With Asymmetrical local Co-op, mining extraction, Endless waves game modes and local PvP.

    Why similar: Shoot 'Em Up 23%, Bullet Hell 12.9%, Arcade 12.6%, Space 10.3%, Top-Down 8.6%

Space Defense Special Force - The Origin of the Union cover art

Games Like Space Defense Special Force - The Origin of the Union

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