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Games Like OuterRealm

60+ similar titles based on shared tags and player behavior. Themes include Action, Shooter, FPS, First-Person.

OuterRealm header art

Play as a Elite soldier in ironclad atomic power armor, collect powerful weapons, crush endless waves of voidborn horrors and step into the realm portal, to finish their demigod masters. An old school FPS,collect items,unlock powerful upgrades,kill boss,find exits,and endless mode.

Reviews: Positive — 100% — of 10 reviews
Released: 2024-02-09
Developer: CatBun
Genres: Action, Indie, Early Access
Platforms: Windows

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  1. #1 Sophonce
    97% matchPositive91% of 22 reviews2025
    Dev: Sameer Hirezi
    Windows

    Sophonce is a science fiction action horror first-person shooter that relies on philosophical undertones as the primary focus of the plot.

    Why similar: FPS 21.5%, Shooter 17.9%, Action 16.5%, Sci-fi 10.6%, First-Person 9.7%

  2. #2 Alpha Prime
    96% matchMixed56% of 1,505 reviews2007
    Dev: Black ElementPub: Bohemia Interactive
    Windows
    Median: 42 minMean: 25.3 hrs≥1hr: 44%

    Somewhere in deep space, at an apparently abandoned mining base on the asteriod Alpha Prime, something has gone terribly wrong. Miners were warned that the hubbardium they were mining was too dangerous, but the lure of unimaginable wealth was too strong.

    Why similar: FPS 33.9%, Action 17%, Shooter 15.9%, Sci-fi 12.7%, Gore 6.8%

  3. #3 Salyut π
    96% match1 user reviews100% of 1 reviews2021
    Dev: Waleles
    Windows

    Salyut π is a FIRST PERSON SHOOTER, with a great ATMOSPHERE. This game this game is set in a futuristic base, all this with great GRAPHICS.

    Why similar: Shooter 22.7%, Action 21%, FPS 16.7%, Sci-fi 14.9%, First-Person 13.4%

  4. #4 NBF0
    95% match2 user reviews100% of 2 reviews2025
    Dev: Desafortunados Games
    Windows · Linux

    A simple, fun, FPS where you must advance through waves of evil robots. Use your energy weapons to fight them and escape to freedom!

    Why similar: FPS 26.8%, Shooter 23%, Action 21.2%, Sci-fi 13.6%, First-Person 12.4%

  5. #5 George: A Horror Story
    94% match9 user reviews67% of 9 reviews2021
    Dev: Mug Ugly Games
    Windows

    While out on a relaxing hike in the woods, George loses his bearing and finds himself lost in the mountains. He now has one goal. Finding a way back to civilization and safety, and escaping the dangers of these lands.

    Why similar: FPS 23.5%, Shooter 20.1%, Action 18.6%, First-Person 11.2%, Gore 9.5%

  6. #6 Bounty
    94% matchMixed63% of 19 reviews2022
    Dev: Cupine Army
    Windows

    A sci-fi first-person shooter with a dynamic deployable cover system. A demo level from our game Bounty.

    Why similar: FPS 32.7%, Shooter 18.9%, Action 17.6%, Sci-fi 13.4%, First-Person 8.1%

  7. #7 Painkiller Redemption
    93% matchMixed46% of 740 reviews2011
    Dev: Eggtooth TeamPub: Prime Matter
    Windows
    Median: 42 minMean: 7.2 hrs≥1hr: 44%

    Welcome to a world of pain. Heaven is once again in danger and threatened by a reckless army of hell spawn monsters - and they will stop at nothing.

    Why similar: Action 22.2%, FPS 21%, Shooter 19.9%, Gore 16.5%, Violent 14%

  8. #8 Unidentified
    92% match7 user reviews29% of 7 reviews2021
    Dev: UnamedPixel
    Windows

    The government has been attacked by unidentified creatures, and you, as a mercenary, was hired by the government to clear all the threat. An FPS game which you can fight with those cunning creatures regardless of the weather, day and night change. Earn more and more reward to buy better weapons!

    Why similar: FPS 26.8%, Shooter 21.6%, Action 12.5%, Violent 12.5%, First-Person 12.4%

  9. #9 SLENDYJAN
    91% matchNo user reviews
    Dev: TurrerPub: We are not machines
    Windows

    Slendyjan takes place on a planet devastated by a war that has been consuming all the races that inhabit it for years. The player controls Jan, an exceptionally powerful mercenary who fights on the side of the Nuggets, an advanced civilization from an unknown planet.

    Why similar: FPS 29.9%, Shooter 17.3%, Violent 12.2%, First-Person 12.1%, Action 12.1%

  10. #10 GANZWORKER
    91% matchPositive86% of 13 reviews2020
    Dev: Kuranov Nikita
    Windows

    GANZWORKER - truly oldschool style of gameplay. For all classic FPS lover.

    Why similar: Action 28.1%, Gore 16.4%, Violent 14.9%, FPS 13.9%, Shooter 10.1%

  11. #11 Alcyone
    90% matchMixed55% of 33 reviews2022
    Dev: Yann GEFFROTIN
    Windows

    Alcyone is a Science Fiction 3D First Person Shooter (FPS) Video Game set in an Open World mid-crisis New York City (NYC) that can be freely explored by the players.

    Why similar: FPS 27.5%, Shooter 23.5%, Action 21.2%, Sci-fi 13.7%, First-Person 12.8%

  12. #12 Demon Zombie Outpost
    89% match2 user reviews50% of 2 reviews2021
    Dev: CitizenZPub: Citizen Z
    Windows

    Demon Zombie Outpost is a 60 + zombie kills 1 level game.

    Why similar: FPS 24.4%, Shooter 20.4%, Action 18.8%, First-Person 11%, Gore 9.6%

  13. #13 Mad Murder's Mystery Pie Shop
    89% matchPositive92% of 13 reviews2022
    Dev: Bry Guy StudiosPub: Bry Guy Studios
    Windows

    FPS game involving finding ingredients and throwing them in the oven. Then bringing cooked pies to customers of Mad Murders Pie shop.

    Why similar: FPS 22.9%, Shooter 19.8%, Action 19.5%, First-Person 10.6%, Gore 9.9%

  14. #14 Alien Rage - Unlimited
    88% matchMixed68% of 3,535 reviews2013
    Dev: CI Games
    Windows
    Median: 1.1 hrsMean: 9.1 hrs≥1hr: 51%

    Unleash a fury of powerful weapons as you blast your way through armies of Alien forces hell-bent on taking you down! Battle through 14 intense levels and prepare to face a barrage of beastly-sized bosses that will test your every skill. Each of your 10 weapons comes with two firing modes and you’ll need all of them!

    Why similar: FPS 27.1%, Shooter 24.3%, Action 21.6%, Sci-fi 10.8%, First-Person 10.6%

  15. #15 Killstreak
    87% match2 user reviews0% of 2 reviews2020
    Dev: Mancheolsoft
    Windows

    Show your skills to the full on the battlefield

    Why similar: FPS 25.6%, Shooter 21.4%, Action 20%, First-Person 11.5%, Gore 10.4%

  16. #16 District Zero
    86% matchMixed64% of 11 reviews2025
    Dev: Contrail Productions
    Windows

    Shoot your way through an alien takeover. Using your flashlight to see through the darkness and fight the aliens to make your way off the ship.

    Why similar: FPS 24.3%, Shooter 20.7%, Action 18.5%, First-Person 11.3%, Sci-fi 9.4%

  17. #17 Forgotten Bunker 1939
    86% matchNo user reviews2024
    Dev: LEMIOUTGAMESPub: Jacob Jufeili
    Windows

    step into the boots of Private Jacob, an American soldier caught in the fury of a World War II bombing raid. Desperately seeking refuge, Jacob stumbles upon a terrifying mysterious bunker, which turns out to be a demonic time portal.

    Why similar: FPS 24.8%, Shooter 21.4%, Action 19.9%, First-Person 11.5%, Gore 10.9%

  18. #18 Bulletstorm: Full Clip Edition
    85% matchVery Positive89% of 9,268 reviews2017
    Dev: People Can FlyPub: Gearbox Publishing
    Windows
    Median: 4.5 hrsMean: 8.5 hrs≥1hr: 87%

    Step into the boots of Grayson Hunt after a crash landing on an old resort planet forces him to make a hard choice: survival or revenge. Execute masterful kills with Bulletstorm: Full Clip Edition’s unique combat system that rewards you for performing the most creative and deadly kills imaginable.

    Why similar: FPS 25.1%, Gore 17%, Action 13.9%, Shooter 12.9%, Violent 12.9%

  19. #19 N U C L I D E A N
    84% matchNo user reviews
    Dev: NDT
    Windows

    NUCLIDEAN puts you into the shoes of a janitor at a planetary outpost invaded by an alien cult. In this retro boomer-shooter with a Non-Euclidean twist, you will encounter portals, crazy geometry and bloody monstrous enemies. All that on a distant planet where the rules of the Earth do not apply.

    Why similar: FPS 23.9%, Shooter 20.3%, Action 17.7%, First-Person 10.3%, Surreal 8.7%

  20. #20 Witchaven II: Blood Vengeance
    84% matchMostly Positive72% of 32 reviews2021
    Dev: Capstone SoftwarePub: SNEG
    Windows

    Continue the story of the knight Grondoval in this first-person fantasy slasher. Get ready for bloody encounters with vile creatures and vicious warriors. Stop an evil witch from carrying a titular blood vengeance in revenge for him having slain her sister.

    Why similar: FPS 25%, Shooter 19.3%, Action 18.2%, First-Person 12%, Gore 9.5%

  21. #21 Painkiller Overdose
    82% matchMostly Positive71% of 1,170 reviews2007
    Dev: Mindware StudiosPub: Prime Matter
    Windows
    Median: 42 minMean: 6.8 hrs≥1hr: 44%

    The critically-acclaimed and award-winning FPS franchise is back! Packed with tons of fast-paced, adrenaline-fueled single player and multiplayer action, Painkiller Overdose brings with it 6 innovative new demonic weapons, mind-bending physics, lightning-player maps, over 40 demented and sickly-twisted monsters from Hell and gigantic end...

    Why similar: FPS 29.4%, Action 20.3%, Gore 19.9%, Shooter 13.2%, Violent 11.2%

  22. #22 MOONGATE
    81% matchNo user reviews
    Dev: BitByBit Creations
    Windows

    A retro first-person shooter inspired by classics of the '90s mixed with a dungeon crawler. Fight your way through randomly-generated levels and uncover the secrets of an abandoned research station for interdimensional travel.

    Why similar: FPS 23.4%, Shooter 17.1%, Gore 11%, Sci-fi 10.7%, Action 10.5%

  23. #23 MadSpace: To Hell and Beyond
    82% matchPositive80% of 30 reviews2015
    Dev: Maddox GamesPub: Nightdive Studios
    Windows · Linux

    News has come back to Earth of an intergalactic war rapidly approaching. There is only one hope left. You.

    Why similar: Action 31.8%, FPS 30.5%, Shooter 24.1%, First-Person 13.6%

  24. #24 Echofall
    80% matchNo user reviews
    Dev: Retrocausal Studios
    Windows

    A high-mobility sci-fi FPS built around full directional gravity control. Rotate gravity at will, transform walls into floors, ceilings into escape routes, and vertical arenas into tactical advantages. Combine precision gunplay with fluid movement to survive relentless, escalating enemy pressure.

    Why similar: FPS 25.2%, Shooter 23.3%, Action 20.9%, Combat 10.4%, Sci-fi 8.8%

  25. #25 SHOWTIME 2073
    81% matchMostly Positive71% of 296 reviews2016
    Dev: Nicolas BernardPub: N.INDIES
    Windows · Mac · Linux
    Median: 12 minMean: 17.8 hrs≥1hr: 21%

    The best shooter SHOW in 2073.Explosive, Fun & full destructive !

    Why similar: Shooter 27.9%, Action 24.7%, FPS 21.8%, First-Person 11.6%, Sci-fi 10.2%

  26. #26 Furry Sniper
    79% matchVery Positive90% of 81 reviews2024
    Dev: ZC
    Windows

    Your mission is tough: eliminate 30 furries scattered across a vast woodland. As an elite sniper, you’ll need precision, patience, and perseverance to track them down and complete your task.

    Why similar: FPS 25%, Shooter 20.9%, Action 20.1%, Gore 9.6%, First-Person 9.4%

  27. #27 JackKnife
    79% matchNo user reviews
    Dev: SlavJankStudios
    Windows

    First Person Shooter with surreal gunfights and story. Tactical Goal Oriented Ai. Many enemy types and bosses. Merchant with upgrade system. Fully Voice Acted Story. Gibbing enemies. Interactable and destructible environments.

    Why similar: FPS 32.6%, Shooter 20.7%, Action 18.4%, Gore 9.6%, First-Person 9%

  28. #28 The Nightmare Of Arrival Chapter 1
    78% match4 user reviews80% of 5 reviews2024
    Dev: LEMIOUTGAMESPub: Jacob Jufeili
    Windows

    After retiring from the military, Simon's descent into alcohol addiction leads him to a fateful night of heavy drinking. A fall down a flight of stairs renders him unconscious, awakening to find himself in a strange room

    Why similar: FPS 27.6%, Shooter 23.9%, Action 22.8%, Gore 11.7%, Violent 10.6%

  29. #29 Human Diaspora
    78% matchMixed62% of 21 reviews2022
    Dev: Leocesar3D Productions
    Windows · Linux

    Human Diaspora is a Retro First-Person Shooter where you fight your way to save the remnants of your family and find what is happening on the post-human colony planet. Take action against small and big enemies. Are you up to the challenge and save humanity?

    Why similar: FPS 28.7%, Shooter 24.5%, Action 21.8%, Sci-fi 14.8%, Combat 7.1%

  30. #30 JohnJohnson: Remnant
    77% matchNo user reviews
    Dev: Quadriple I
    Windows

    They were made to entertain. But now they want to smash and kill.

    Why similar: FPS 27.1%, Shooter 23.3%, Action 21.4%, First-Person 11.4%, Violent 9.5%

  31. #31 Astralis
    77% match2 user reviews100% of 2 reviews2021
    Dev: Vizek
    Windows

    Priviet to Astralis ! In this short game, you play as Lieutenant Alekseï Ivanov, a soldier awaken from his cryo-sleep to face a terrible threat happening in the soviet spaceship "Astralis" lost in an unkown part of the universe. Astralis is FPS horror sci-fi game with retro graphics and sounds.

    Why similar: FPS 35.4%, Sci-fi 18.8%, Action 16.7%, Shooter 14.3%, First-Person 12.7%

  32. #32 Strike Force 2 - Terrorist Hunt Enhanced Edition
    76% matchMixed55% of 11 reviews2022
    Dev: Enigma EntertainmentPub: Polygon Art Publishing
    Windows

    ¡Equípate y lucha en un paraíso tropical convertido en zona de guerra! Enfréntate a una organización terrorista con rifles de asalto, francotiradores y ametralladoras. Disfruta de gráficos mejorados, IA más inteligente y niveles rediseñados en la actualización gratuita de la Edición Mejorada.

    Why similar: FPS 27%, Shooter 22.4%, Action 20.3%, First-Person 11.1%, Violent 9.6%

  33. #33 JungleShoot
    76% matchMostly Negative25% of 12 reviews2018
    Dev: EcoShooter
    Windows

    Hunt and kill as much militia soldiers as you can. How long can you stay alive?

    Why similar: FPS 33.8%, Shooter 20.5%, Action 16.9%, First-Person 14.7%, Violent 9.1%

  34. #34 Toey Weedz Smoke One
    74% matchMostly Positive72% of 18 reviews2024
    Dev: Tobias Alexander KnoblochPub: Fozzngamez
    Windows

    An funny early 3D retro inspired FPS. Become Mr. Weedz himself and fight on the power of Evil. Pass through 6 unique level and upgrade a Toey with gunz and skillz to put an end to the madness once and for all!

    Why similar: FPS 25.9%, Shooter 23%, Action 21.1%, Gore 16.5%, First-Person 12.3%

  35. #35 X Virus
    75% match6 user reviews50% of 6 reviews2021
    Dev: LI YANG
    Windows

    X virus is a first person shooting game with realistic game style. Players go deep into the epidemic area to fight with infected workers. The game can call airdrop or even missiles for long-range attack.

    Why similar: FPS 28.4%, Shooter 19%, Action 13.4%, Gore 13.2%, Violent 12%

  36. #36 DesertShootout
    75% matchNegative14% of 21 reviews2018
    Dev: MellowStudios
    Windows

    A town in the desert filled with bad guys. Buy some guns and take them out.

    Why similar: FPS 28.8%, Shooter 24.5%, Action 19%, Violent 13.3%, First-Person 10.2%

  37. #37 残存之物 Remnants
    74% matchNo user reviews
    Dev: Storm101
    Windows

    This is a survival-focused game currently in an early stage of development. The project is primarily developed as a personal work, showcasing core gameplay systems and iterative progress. Content and features are subject to change and may be expanded over time.

    Why similar: FPS 31.2%, Shooter 21.3%, First-Person 12.6%, Action 9.8%, Gore 9.6%

  38. #38 Creepy Crawling
    73% matchMixed58% of 19 reviews2025
    Dev: Enrique RicaldePub: Lixeira Publishing
    Windows · Mac

    Horror FPS where you'll be dealing with crawling monsters.

    Why similar: FPS 30.1%, Shooter 25.8%, Action 23.3%, First-Person 12.8%, Combat 6.8%

  39. #39 Operation HuntingHawk : Breakthrough
    73% match5 user reviews60% of 5 reviews2024
    Dev: Hittingpacker
    Windows

    Operation HuntingHawk : Breakthrough is a fast-paced single player first person shooter game that offers 9 highly playable levels. Players will face dangerous and challenging enemies and engage in intense battles with them.

    Why similar: FPS 30.8%, Action 17.9%, Shooter 14.3%, Violent 12%, Gore 9.2%

  40. #40 Quake II RTX
    71% matchVery Positive87% of 4,732 reviews2019
    Dev: Lightspeed Studios™Pub: NVIDIA
    Windows · Linux

    Quake II RTX is a cutting-edge, ray-traced reimagining of id software’s old school classic, by NVIDIA’s Lightspeed Studios. Global lighting effects, including realistic reflections, refraction, shadows, ambient occlusion and global illumination are a result of the path-traced simulation of light.

    Why similar: FPS 27%, Action 23.4%, Violent 15.1%, Gore 14.5%, Shooter 9.7%

  41. #41 Empirical
    70% match2 user reviews100% of 2 reviews2025
    Dev: Tunnelfish Studios
    Windows

    FPS hero shooter where you utilize the elements to claim victory.

    Why similar: FPS 26.1%, Shooter 22.3%, Action 20.1%, First-Person 12.1%, Sci-fi 10.8%

  42. #42 Bet On Soldier
    72% matchMixed69% of 334 reviews2014
    Dev: KylotonnPub: Microids
    Windows
    Median: 42 minMean: 4.6 hrs≥1hr: 43%

    Delve into a world where war has become a media frenzy! Survive your battles and bet on your victories!

    Why similar: FPS 43.7%, Action 29.1%, Shooter 18.6%, First-Person 8.5%

  43. #43 FireLine
    71% matchNo user reviews
    Dev: FireLine Studio
    Windows

    Engage in realistic gunfights, and competitive multiplayer battles. Experience smooth shooting mechanics, detailed environments, and intense action. Features: • Realistic FPS shooting mechanics • Multiplayer battles • Smooth movement and gunplay • Immersive battlefield environments

    Why similar: FPS 26.4%, Shooter 22.7%, Action 21.1%, First-Person 12.2%, Violent 9.5%

  44. #44 The Undead
    71% match1 user reviews100% of 1 reviews2021
    Dev: Jordan Pacheco
    Windows

    The Undead is a first-person shooter that takes place in a cemetery. You must fight waves of zombies and skeletons. When you reach 30 kills you'll be confronted against a fearsome foe.

    Why similar: FPS 24.6%, Shooter 20.5%, Action 19.8%, Gore 9.7%, First-Person 9%

  45. #45 High Hell
    69% matchVery Positive87% of 1,531 reviews2017
    Dev: Terri VellmannPub: Devolver Digital
    Windows · Mac
    Median: 1.1 hrsMean: 29.5 hrs≥1hr: 51%

    High Hell is a neon-soaked, arcade-action first-person shooter from Terri Vellmann (Heavy Bullets) and Doseone (Enter the Gungeon, Gang Beasts).

    Why similar: FPS 27.6%, Action 21.9%, Shooter 14%, Gore 10.9%, Violent 10.4%

  46. #46 Depopulation Agent
    69% matchNo user reviews
    Dev: WoeWare
    Windows

    Spread terror, fight off law enforcement, slaughter civilians for cash to purchase black-market weapons and equipment with the ultimate goal of reducing the global population.

    Why similar: FPS 35.4%, Shooter 18.7%, Gore 14.5%, Violent 11.4%, Action 10.1%

  47. #47 SUFFER
    70% matchMostly Positive71% of 73 reviews2018
    Dev: Shawn PerolisPub: Anarchy Softworks LLC
    Windows

    SUFFER is a brutally difficult retro-styled first person shooter! Become the Spirit of Anarchy and take on the police state in this horror-punk twist on classic PC gaming.

    Why similar: FPS 21.9%, Gore 20%, Violent 18.2%, Shooter 14.2%, Action 13.3%

  48. #48 Invention 5
    68% matchMixed45% of 30 reviews2024
    Dev: Falco Software
    Windows

    3D first-person shooter with Scrollshooter elements. Complete levels, kill zombies and fight bosses to defeat the main villain - Casey.

    Why similar: FPS 27.5%, Shooter 22.9%, Action 20.9%, Gore 11%, Violent 10%

  49. #49 Rust Rivalry
    68% match1 user reviews100% of 1 reviews2024
    Dev: Jasper HannPub: Cat On a Wire
    Windows

    A futuristic sci-fi first person shooter where combatants fight for the fate of their home.

    Why similar: FPS 33%, Shooter 22.8%, Action 16.7%, First-Person 11.4%, Violent 8.6%

  50. #50 Galvanized
    67% matchPositive90% of 10 reviews2025
    Dev: Albino Moose Games
    Windows

    A fast paced, movement focused FPS in a foreboding, post-apocalyptic setting.

    Why similar: Shooter 25%, FPS 23.7%, Action 16.8%, Gore 10.2%, Violent 9.7%

  51. #51 Shooting Hurts
    68% matchVery Positive92% of 263 reviews2018
    Dev: Jakob Vidal
    Windows · Mac · Linux

    A brand new AI, a weapon that turns its health into projectiles, and a gauntlet of tests designed to test their limits. How will you make every shot count when shooting hurts?

    Why similar: Action 29.1%, Shooter 24.4%, FPS 23.7%, First-Person 15.7%, Indie 7.1%

  52. #52 Cyber Cell
    67% matchNo user reviews
    Dev: Mosaic Games
    Windows

    Set in a post apocalyptic world, Cyber Cell is a fast paced shooter meant to be both challenging and satisfying. Fight your way through the levels to find out who is behind your suffering.

    Why similar: FPS 31%, Shooter 25.9%, Action 16.9%, Sci-fi 12%, Violent 10.9%

  53. #53 Abglantz
    67% matchNo user reviews
    Dev: substract
    Windows

    Enter a realm of nightmares and claw and shoot your way through hordes of bloodthirsty vermin and things that are much, much worse in this retro FPS

    Why similar: FPS 29.7%, Shooter 20.7%, Action 15.6%, First-Person 8.8%, Surreal 8.2%

  54. #54 Exodus from the Earth
    69% matchMixed58% of 248 reviews2008
    Dev: Parallax Arts StudioPub: Strategy First
    Windows
    Median: 54 minMean: 7.0 hrs≥1hr: 44%

    The Intelligence Agency has commissioned you, Francis Rixon, to find out what is happening inside the Corporation's confines and to retrieve information about a secret mineral upon which the very existence of the human race may depend.

    Why similar: FPS 47.1%, Action 25.7%, Shooter 16.6%, First-Person 10.6%

  55. #55 Aim Master
    67% matchMostly Positive69% of 45 reviews2018
    Dev: Sensitivity ElfPub: HITCLE.COM
    Windows

    Aim Master is aim-trainer, especially for PUBG. Aim Master has the same mouse sensitivity system and very similar recoil patterns with PUBG. It surely will improve your aiming skill for PUBG.

    Why similar: Action 32.9%, Shooter 30.6%, FPS 25.9%, First-Person 10.6%

Based on tag similarity + player behavior
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