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Games Like Necrotic Nightmare

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

Necrotic Nightmare header art

Nightmare has descended on the starship Starfarer ETOS-1. Battle the hoards, defend the crew, resist the infection and uncover the truth in this first-person Sci-Fi horror shooter, harnessing powers, upgrading weapons, and battling to survive. The voices are calling you. Will you listen?

Reviews: No user reviews — 50%
Released: Coming soon
Developer: Ravenous Studios
Genres: Action, Indie, Free To Play
Platforms: Windows

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  1. #1 Kill Cast
    97% matchNo user reviews2026
    Dev: CGBYLG
    Windows

    Born from classic arcade top down shooters like Smash TV and 80’s action thriller The Running Man! Welcome to Kill Cast Show! An FPS endless shooter where you must survive endless wave of mutants. It's the gameshow of the future where contestants fight for survival.

    Why similar: FPS 18.9%, Shooter 16%, Aliens 14.8%, Action 14.6%, Futuristic 9%

  2. #2 Killing Bullet
    96% match2 user reviews100% of 2 reviews2023
    Dev: 逍遥_yw
    Windows

    You need to survive every round of enemy attacks, kill enemies to get rewards, buy props or extract stronger weapons to deal with stronger enemies, until you kill the last enemy. Enjoy the thrill of battle.

    Why similar: FPS 23.6%, Shooter 16.4%, Action-Adventure 12.9%, Action 9.9%, Aliens 9%

  3. #3 High On Life 2
    96% matchMostly Positive71% of 2,060 reviews2026
    Dev: Squanch Games, Inc.
    Windows
    Median: 8.6 hrsMean: 13.5 hrs≥1hr: 87%

    An intergalactic conspiracy threatens the fate of humanity! Team up with a wide cast of talking alien guns as you shoot, stab, and skate your way through the exotic locales to take down the bad guys and save your favorite species (humans)!

    Why similar: FPS 19.8%, Aliens 13.8%, Action-Adventure 12.8%, Shooter 12.2%, Action 9.8%

  4. #4 District Zero
    95% 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 21%, Shooter 17.9%, Action 16.6%, Futuristic 13%, First-Person 8.1%

  5. #5 Kreed
    94% matchMostly Positive73% of 22 reviews2026
    Dev: Burut CTPub: Strategy First
    Windows

    Kreed, a massive gravity field of unknown proportions, is threatening to swallow the galaxy whole. As a soldier marooned there, you must fight for your survival against hordes of alien marauders and unearth the dark secret behind the mysterious space anomaly.

    Why similar: FPS 22%, Shooter 18.7%, Action 17%, Aliens 11.7%, Futuristic 8.9%

  6. #6 Kreed: Battle for Savitar
    94% matchPositive83% of 12 reviews2026
    Dev: Burut CTPub: Strategy First
    Windows

    Before you lies the story of a legendary Legion, destined in the distant future to reshape Earth’s civilization and lead its mission among the stars. A future in which humanity will achieve victory in the decisive battle for the Savitar space station.

    Why similar: FPS 22.2%, Shooter 18.8%, Action 17.1%, Aliens 11.2%, Futuristic 9%

  7. #7 BlackSands
    93% match4 user reviews100% of 4 reviews2026
    Dev: Rotting Brains StudioPub: IIM Digital School
    Windows

    Trapped in a relentless time loop, fight your way through a mysterious arena. Explore, adapt, and use what you’ve learned throughout each reset to uncover its secrets, and reach your freedom.

    Why similar: FPS 20.9%, Shooter 19.1%, Action 17.2%, Action-Adventure 16.2%, Futuristic 11.7%

  8. #8 Invasion Resistance 2
    92% match6 user reviews100% of 6 reviews2020
    Dev: Ali Soltanian Fard JahromiPub: Soltanian Games
    Windows

    A PC first-person shooter game with a short single-player campaign containing 13 maps and several cut-scenes.

    Why similar: FPS 18.1%, Action 15.5%, Shooter 15%, Aliens 14.8%, Action-Adventure 14.4%

  9. #9 Stellar Valkyrie
    91% matchNo user reviews
    Dev: In The Keep GamesPub: In The Keep
    Windows · Mac · Linux

    Space bounty hunter Falco must explore the solar system in search of his ex-girlfriend and destroy the Black Star cult. Collect bounties, upgrade your equipment, explore planets, crack wise & fight aliens in this GZDoom-powered Retro-FPS adventure.

    Why similar: FPS 20.9%, Shooter 15.8%, Action-Adventure 13.9%, Aliens 13.2%, Action 8.7%

  10. #10 Alien Rage - Unlimited
    91% 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 24.5%, Shooter 21.9%, Action 20.2%, Aliens 14.6%, First-Person 8%

  11. #11 Syndeo-Complex
    90% matchMixed65% of 23 reviews2022
    Dev: ddzevprod
    Windows

    In Syndeo-Complex you will explore five different environments connected by a hub. Each level has its own mechanics, weapons, enemies and bosses. The Keli, small droids, will (probably) guide you in your quest.

    Why similar: FPS 20.3%, Shooter 16.8%, Action-Adventure 16.3%, Action 15.9%, Futuristic 9.8%

  12. #12 Creepy Crawling
    89% matchMixed58% of 19 reviews2025
    Dev: Enrique RicaldePub: Lixeira Publishing
    Windows · Mac

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

    Why similar: FPS 26.5%, Shooter 22.6%, Action 21.1%, First-Person 9.3%, 3D 7.8%

  13. #13 Six Meat Under
    89% match8 user reviews100% of 9 reviews2023
    Dev: Clockwork Oblivion
    Windows · Linux

    Embark on a thrilling journey through the eyes of a security gate officer who must face super-biological horrors beyond both knowledge and comprehension in this first-person shooter styled after old PS2 game graphics.

    Why similar: FPS 26.3%, Shooter 18.2%, Action-Adventure 15.5%, Action 10.6%, First-Person 7.7%

  14. #14 Muscle Onmyoji
    88% matchNo user reviews
    Dev: Non-Identity
    Windows

    Fear? What's wrong with that? Just punch it. Evil spirits are gathering in the hospital. You visit with your disciple and purify the evil spirits with punches.

    Why similar: FPS 25.8%, Action 21.4%, Action-Adventure 20.2%, Horror 8.9%, Violent 8.7%

  15. #15 ExoDomia
    87% matchNo user reviews
    Dev: Fomorian Studios
    Windows

    Exodomia is a narrative-driven, action-adventure game set on the robotic world of Salakar V! In this fast-paced combat experience, you will encounter many dangerous creatures and enemies as you navigate a story of struggle and survival.

    Why similar: FPS 22.5%, Shooter 16.7%, Action-Adventure 14.2%, Action 10.3%, Aliens 7.2%

  16. #16 Viral
    86% matchMixed60% of 15 reviews2023
    Dev: Jitterware
    Windows

    Stylized sci-fi FPS shooter

    Why similar: FPS 30.8%, Shooter 21.2%, Action 17%, Action-Adventure 15.1%, Sci-fi 5.8%

  17. #17 Gastro Force
    86% matchMostly Positive76% of 21 reviews2023
    Dev: SomepxPub: Ratalaika Games S.L.
    Windows

    The player takes the role of the last soldier of the highly specialized "Gastro Force", elite troopers trained to infiltrate the enormous alien guts to fight them from the inside!

    Why similar: FPS 25.5%, Aliens 19.4%, Action 11%, Futuristic 9.4%, Shooter 8.6%

  18. #18 Solitude
    84% matchPositive87% of 23 reviews2025
    Dev: Bojun LiuPub: Jerboa Interactive
    Windows

    A survival shooter with story elements where you explore a hostile alien world after crash-landing your spaceship. Complete quests and gather the resources needed to escape.

    Why similar: FPS 25.9%, Shooter 16.9%, Action-Adventure 14.3%, Action 10%, First-Person 6.5%

  19. #19 The Future Project
    85% matchMostly Positive73% of 11 reviews2023
    Dev: Infinite Level
    Windows

    Take control of an AI soldier, explore planets, and partake in fast paced combat in The Future Project, a first person metroidvania. Explore distinct worlds, obtain new weapons and abilities, and defeat powerful enemies in humanity's quest to journey the stars.

    Why similar: FPS 18.6%, Shooter 14.4%, Action-Adventure 12.6%, Aliens 11.7%, Futuristic 7.4%

  20. #20 Echofall
    84% 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 23.2%, Shooter 21.4%, Action 19.8%, Futuristic 8.8%, Combat 7.5%

  21. #21 Bounty
    83% 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 33.2%, Shooter 19.2%, Action 18.5%, Sci-fi 9%, First-Person 6.8%

  22. #22 Island of the Dead
    82% match1 user reviews0% of 1 reviews2023
    Dev: Ali KhanPub: Usman Ahmad Khan
    Windows

    Island of the Dead is a video game where you, the player, are stuck on an island full of zombies, to win, you must kill them all.

    Why similar: FPS 25.3%, Action 19.9%, Action-Adventure 19.6%, Shooter 12.6%, 3D 7.7%

  23. #23 SLENDYJAN
    82% 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 29.4%, Shooter 17%, Action 12.3%, Violent 11.2%, First-Person 9.9%

  24. #24 NEURO
    81% matchMixed47% of 34 reviews2024
    Dev: Revolt GamesPub: Strategy First
    Windows

    NEURO is a narrative first-person shooter in a cyberpunk setting. The action is taking place in the future, in the 4th century of the Space Era, which starts after humans invent a hyperspace engine.

    Why similar: FPS 26.5%, Shooter 16.9%, Aliens 14.5%, Action 14.5%, Futuristic 8.8%

  25. #25 Lil'Johnny Watermelon Smash
    80% matchPositive93% of 14 reviews2024
    Dev: Panther Game Design StudioPub: Panther Game Design Studio
    Windows

    Lil Johnny, armed with a watermelon gun, defends his tranquil world from the malevolent dragon Steve. To reach Steve’s lair, he faces nineteen timed levels, honing his skills through target practice. Panther Game Design Studio’s legacy is a high school class from Ottawa Canada.

    Why similar: FPS 26.2%, Shooter 22.5%, Action 21.4%, Futuristic 16%, 3D 7.9%

  26. #26 Mind Space
    81% match2 user reviews100% of 2 reviews2021
    Dev: Quantum Drop Studio
    Windows

    FPS with rpg elements. Made by one solo indie game developer.

    Why similar: Aliens 21.8%, Shooter 18.8%, Action 14.8%, FPS 14.6%, First-Person 8.8%

  27. #27 Zhigu Military Exorcist
    79% match1 user reviews100% of 1 reviews2025
    Dev: SIA Zhigunov Systems
    Windows · Mac

    Horror FPS single-player shooter. The military exorcist fighting against weaves of demons and undead trying to invade the Earth. The game includes weapons, shooting, portals, interesting environment and different enemies with different abilities.

    Why similar: FPS 27.7%, Shooter 23.7%, Action 22.6%, Horror 9.6%, 3D 8.4%

  28. #28 Project Perun
    79% matchNo user reviews
    Dev: rainstory.games
    Windows

    A sci-fi action-adventure game in VR.

    Why similar: Shooter 15.2%, FPS 14.3%, Aliens 13.1%, Action-Adventure 10.8%, Space 10.1%

  29. #29 Sophonce
    77% 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 25.4%, Shooter 21.1%, Action 20.2%, First-Person 9.5%, Violent 8.4%

  30. #30 EgoVersus: The First Strike
    77% matchMixed67% of 15 reviews2024
    Dev: The EgoVerse
    Windows

    A fast-paced sci-fi first person shooter. EgoVersus: The First Strike aims to bring the old school FPS experience back to the modern gaming industry.

    Why similar: FPS 21.6%, Shooter 18.3%, Aliens 16.9%, Action 16.6%, First-Person 7.7%

  31. #31 Maze Quest VR
    78% matchNo user reviews2025
    Dev: Reality Expanded LLC
    Windows

    Its not just a Maze; its a Quest! Enter the captivating realm of Maze Quest, where each unexpected turn presents fresh challenges, hidden treasures, and unexpected surprises! Navigate through intricate mazes, collecting objects and dodging obstacles, all while racing against the clock. 24 Levels!

    Why similar: FPS 21.6%, Action-Adventure 19.5%, Action 19.3%, Shooter 18.5%, Futuristic 8.6%

  32. #32 Aliens: Colonial Marines Collection
    78% matchMixed62% of 11,947 reviews2012
    Dev: Gearbox SoftwarePub: SEGA
    Windows
    Median: 5.2 hrsMean: 15.5 hrs≥1hr: 77%

    You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.

    Why similar: Aliens 25.2%, FPS 23.8%, Action 13.2%, Shooter 12.5%, Sci-fi 6.8%

  33. #33 By Grit Alone
    75% match8 user reviews75% of 8 reviews2025
    Dev: Crooks Peak
    Windows

    Cosmic VR Action Horror focusing on intense shooter action, twisted sci-fi anthology stories and disturbing atmospheric dread. You’re marooned alone in the Bermuda triangle of space, filled with ancient derelicts and ravenous aliens: By Grit Alone, you will survive.

    Why similar: Shooter 17.4%, FPS 16.6%, Aliens 15.5%, Action-Adventure 12.5%, Action 11.5%

  34. #34 Quiet Office Floors
    76% matchNo user reviews2025
    Dev: Andri Stefanus Games
    Windows

    FPS game going home from work, crafting to conceal yourself so you don't get caught, walk silently so you don't get busted, Quiet Office Floors is a game that challange your patience, but is the workplace is the only game level? No. you will walk through forest, cemetery, mine and sewer to get home

    Why similar: FPS 19.6%, Action 16.8%, Shooter 16.7%, Action-Adventure 16.3%, First-Person 6.5%

  35. #35 Dead Ice
    75% matchNo user reviews
    Dev: GAME Guys StudiosPub: GAME Guys (UKR)
    Windows

    In the future, humans conquered the stars and colonized other planets. In the bowels of the icy planet, scientists have discovered a natural and safe source of energy. But at the same time, they awakened an ancient alien life form. There is a conflict on the planet. Volunteers come to the rescue.

    Why similar: FPS 20.4%, Aliens 15.4%, Shooter 14.6%, Futuristic 9.6%, Space 8.7%

  36. #36 George: A Horror Story
    76% 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 24.6%, Shooter 21.1%, Action 20.1%, First-Person 9.8%, Horror 8.9%

  37. #37 WRITHING
    73% match3 user reviews100% of 3 reviews2025
    Dev: Digital Dialysis Softworks
    Windows · Linux

    Explore the depths of Heaven's Gate Space Station and the solar system it orbits in WRITHING: A new Sci-Fi Fantasy FPS that explores space in another universe that parallels ours. Hunt down an evil alternative resource baron, Moloch's avatar, and their army of evil spawn in this backwards universe.

    Why similar: FPS 19.1%, Action-Adventure 16%, Action 15.2%, First-Person 11.3%, Aliens 9.8%

  38. #38 THE OUTREACH
    74% matchNo user reviews
    Dev: Revision Interactive
    Windows

    Welcome Human-V1399 to the "Human Restoration Program," the final hope for the rebirth of mankind. In this physics-based movement shooter, use telekinetic powers to defeat hostile alien-built creatures through the depths of an irradiated planet in a conflict-ridden solar system.

    Why similar: FPS 26.6%, Aliens 17.4%, Action 15%, Shooter 11.5%, Action-Adventure 9%

  39. #39 Ubermensch
    74% match9 user reviews70% of 10 reviews2024
    Dev: brinksmanPub: Game Theory
    Windows

    First-person mod of the Unreal Engine Lyra starter project

    Why similar: FPS 21.9%, Aliens 16.3%, Shooter 15.6%, Futuristic 10%, Space 8.6%

  40. #40 After Dark
    73% matchNo user reviews
    Dev: FireDevTeam
    Windows

    Get into an alternative world in which an unknown catastrophe occurred, which led to the complete disappearance of mankind. Find out the cause of what happened and most importantly, try to survive, because you are far from alone in this world.

    Why similar: FPS 20.7%, Shooter 18.8%, Action 16.6%, Aliens 13.3%, Futuristic 10.3%

  41. #41 NBF0
    72% 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 28.7%, Shooter 24.6%, Action 23.5%, First-Person 11%, Sci-fi 9.6%

  42. #42 Alien Boom Boom
    72% matchNo user reviews
    Dev: David Vallieres
    Windows

    In Alien Boom Boom you will send your enemies flying utilizing a powerful arsenal of weapons and upgrades. The game features a fully voiced story campaign, several distinct levels, several enemies, bosses and frequent player/weapon upgrades that are customizable at the start of each level.

    Why similar: FPS 24.8%, Shooter 18.1%, Aliens 16.2%, First-Person 8.9%, Space 8.3%

  43. #43 Dark Era
    73% matchNo user reviews2024
    Dev: Red Panda Games
    Windows

    A Game set in post-apocalyptic world where an alien virus has taken over, kill the infected ones ,Survive their attacks , clear the levels to complete the game. There are currently two game modes one is level based and another is Arcade mode.

    Why similar: FPS 21.7%, Shooter 18.7%, Action-Adventure 18.4%, Action 14.1%, Violent 7.5%

  44. #44 JohnJohnson: Remnant
    71% matchNo user reviews
    Dev: Quadriple I
    Windows

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

    Why similar: FPS 25.9%, Shooter 22.2%, Action 21.2%, First-Person 9%, Violent 8.4%

  45. #45 Backroom Warfare II
    70% matchMixed67% of 58 reviews2023
    Dev: Naughty Clogs
    Windows

    Fight for survival in the Backrooms. Play with friends in multiplayer or solo against AI bots. Unearth the terrifying monster scorestreak and get ready for an intense experience!

    Why similar: FPS 24.8%, Shooter 21%, Action 18.9%, First-Person 8.9%, Violent 7.9%

  46. #46 Madness Beverage
    71% matchMixed50% of 14 reviews2021
    Dev: Blue Sunset GamesPub: Console Labs S.A.
    Windows

    Travel through the galaxy and beat space demons to a bloody pulp in this intense first-person boomer shooter! Use a variety of weapons and powerful drinks created for one purpose only – to bring destruction and lots of blood.

    Why similar: FPS 18.9%, Shooter 16%, Action-Adventure 14.8%, Action 10.5%, Aliens 10.4%

  47. #47 Alpha Prime
    71% 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 36.9%, Action 19.2%, Shooter 17.3%, Sci-fi 9.1%, First-Person 6.1%

  48. #48 Hollow 2
    70% matchMixed41% of 29 reviews2022
    Dev: MegaPixel Studio S. A.Pub: Forever Entertainment S. A.
    Windows

    Once again, you are on board Shakhter-One. Traverse the deck of a well-known mining ship and the depths of Mark's twisted mind blended together. Run, fight, hide, explore – discover, what really happened to this place and do your best to destroy Shakhter-One.

    Why similar: FPS 17.7%, Aliens 17.1%, Shooter 12.4%, Violent 11.2%, Action 9.7%

  49. #49 Dark Arena
    69% match6 user reviews50% of 6 reviews2024
    Dev: MajescoPub: Bleem.net
    Windows

    It's humans versus genetically engineered monsters in Dark Arena, a futuristic first-person shooter that combines run-and-gun gameplay with strategic play and puzzle solving.

    Why similar: FPS 24.5%, Shooter 20.8%, Action 19.1%, Aliens 19%, First-Person 8.5%

  50. #50 SPACE DUDES vs ALIEN DUDES
    69% match4 user reviews100% of 4 reviews2022
    Dev: Archor WrightPub: Archor Games
    Windows

    SPACE DUDES vs ALIEN DUDES - Alien Dudes are attacking the Base, It's up to the Space Dudes to Stop Them ! Play Across Many Maps and Game Modes to Win the Day !

    Why similar: FPS 26.2%, Aliens 24.3%, Shooter 22.4%, Action 14.7%, First-Person 10.1%

  51. #51 Tower of Portal
    70% match1 user reviews100% of 1 reviews2021
    Dev: MCA Games
    Windows

    Tower of Portal is a little Indie FPS Shooter, where you control a soldier with the mission to destroy the AI Central Computer that controls the machines spreads in the city. Your mission is avoid this domination through the machines.

    Why similar: FPS 27.4%, Shooter 22.8%, Action 21.5%, Futuristic 16.4%, 3D 8.1%

  52. #52 N U C L I D E A N
    68% 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 18.3%, First-Person 8.6%, 3D 7.3%

  53. #53 Astra
    69% matchMixed53% of 57 reviews2020
    Dev: DigiPen Europe-BilbaoPub: DigiPen Institute of Technology
    Windows

    ASTRA is an FPS with some platform twist to it, placed in an alien club. As an infiltrated human, you'll have to find and destruct the stolen generators, avoiding the enemies' attacks, who will get in your way.

    Why similar: FPS 23.3%, Shooter 16.8%, Aliens 14.2%, Action 11.6%, Futuristic 8.6%

  54. #54 Strike Force 2 - Terrorist Hunt Enhanced Edition
    68% 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 25.9%, Shooter 21.5%, Action 20.1%, First-Person 8.9%, Violent 8.6%

  55. #55 Operation: Black Mesa
    67% matchNo user reviews
    Dev: Tripmine Studios
    Windows

    Experience the Half-Life™ expansion packs like never before. Operation: Black Mesa features reimaginings of both Half-Life™ Opposing Force and Half-Life™ Blue Shift through two unique campaigns. How will you survive the Black Mesa Incident? It's time to choose.

    Why similar: FPS 24.3%, Shooter 17.5%, Aliens 13.2%, Action 9.1%, First-Person 8.2%

  56. #56 MR 333
    67% matchVery Positive80% of 99 reviews2021
    Dev: Bry Guy Studios
    Windows

    When the ritual begins it is feeding time. Find his substance or he will consume your body.

    Why similar: FPS 27.7%, Action 24%, Action-Adventure 22.3%, Horror 12.7%, First-Person 12.4%

  57. #57 Aliens vs. Ghosts
    66% matchVery Positive90% of 555 reviews2022
    Dev: Sayan
    Windows

    Use Nukes, Electricity, Heat Rays and powerful Minions in this wave-based first person shooter providing endless hours of Ghost-slaying entertainment, solo or Co-Op. Only Ghosts stand in the way of your invasion of Earth.

    Why similar: FPS 23.6%, Shooter 19.7%, Action 16.8%, Aliens 12.4%, First-Person 8.9%

  58. #58 MONSTER SLAYER
    68% match4 user reviews100% of 4 reviews2021
    Dev: XX
    Windows

    MONSTER SLAYER is a sci-fi style hunting FPS game where you fight extraterrestrial monsters that proliferate on an island on Earth. The gun that the Player is equipped with has three different types of bullets, and you must use the unique effects of each to fight your way through!

    Why similar: FPS 29.3%, Action 18.4%, Shooter 17.2%, Space 13.4%, Violent 9%

  59. #59 All Tomorrows: Invasion
    67% matchNo user reviews
    Dev: Bluestone
    Windows

    Resist extinction in this endless survival wave-based sci-fi shooter. Upgrade your weapons and harness far-future technology to survive as long as possible from a God-like alien race that threatens all of humanity.

    Why similar: FPS 18.7%, Shooter 15.8%, Aliens 15.7%, Action 13.3%, Futuristic 11%

  60. #60 Apollo Red Moon
    66% matchNo user reviews
    Dev: Red Moon Studio
    Windows

    Apollo Red Moon - is a retro sci fi fast paced shooter. That takes action in alternative history. As a member of Apollo Mission, after successful landing on the moon, you were amubushed and taken prisoner by Soviets who builds military base on the moon.

    Why similar: FPS 18.8%, Shooter 12%, Action-Adventure 11.5%, Space 11.4%, Action 9.9%

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Games Like Necrotic Nightmare

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