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Games Like Frontline: Operation Kosmonaut

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

Frontline: Operation Kosmonaut header art

1987 A rogue faction has seized control of a classified Soviet orbital facility. As a Spetsnaz operative, reclaim the base, eliminate traitors, and secure the Kosmonaut program.

Reviews: No user reviews — 50%
Released: 2026-07-23
Developer: Iron Curtain Interactive
Genres: Action
Platforms: Windows, Mac

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    Dev: Husek Group
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    Nostalgic multiplayer fps game you used to play in the 2010s! Play online with bots or online with friends, collect weapons, and get the best score! Feel the energy of the fast-paced gameplay, huge amount of maps and items and become legend!

    Why similar: Cold War 23.3%, FPS 14.8%, Shooter 13.7%, Action 11.5%, Military 9.9%

  2. #2 ShootX
    96% match9 user reviews80% of 10 reviews2025
    Dev: RGE
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    Immerse yourself in the world of ShootX and experience exciting missions as a soldier in one of the last special forces fighting against the X-Guards.

    Why similar: FPS 17.9%, Shooter 17.2%, Action 15.7%, Military 12%, Combat 9.8%

  3. #3 Attack Zone
    96% match1 user reviews100% of 1 reviews2022
    Dev: CryneX
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    Attack Zone is an FPS Shooter. You are placed in an attack zone and must fight for your survival.

    Why similar: FPS 23.4%, Shooter 18.1%, Military 13%, Action 12.9%, 3D 11.4%

  4. #4 Firebase
    95% matchNo user reviews
    Dev: Finished Games, LLC
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    This is a First Person Shooter, "tower defense" style game that captures the intensity of the Tet Offensive. Offering unique game mechanics iconic of the Vietnam War, such as calling in Napalm strikes and M16 jamming. Firebase immerses you in the mud and grit of combat in South East Asia.

    Why similar: Cold War 21%, Shooter 14.1%, FPS 13.8%, Wargame 12.7%, Action 12.3%

  5. #5 Don't Bow
    94% match8 user reviews63% of 8 reviews2024
    Dev: Falling Light
    Windows

    Old school shooter. Gibs give you ammo, going Berserk gives you health. Kill them all.

    Why similar: FPS 18.3%, Shooter 17.5%, Action 16%, Combat 12.4%, Dark 10.7%

  6. #6 81 Days And Nights
    94% matchNo user reviews
    Dev: AnomalyVN Studio
    Windows

    Step into the boots of a Vietnamese soldier during the brutal 1972 Battle of Quang Tri. 81 Days and Nights is a gritty single player FPS where every bullet counts , hold the line against overwhelming odds, and fight your way through one of history's most grueling sieges

    Why similar: FPS 18.3%, Shooter 17.6%, Action 16%, Military 13.9%, Combat 10.5%

  7. #7 Creepy Crawling
    93% matchMixed57% of 21 reviews2025
    Dev: Wwolfbyte Studio LLCPub: Lixeira Publishing
    Windows · Mac

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

    Why similar: FPS 22.2%, Shooter 21.4%, Action 19.7%, Combat 13.1%, 3D 12%

  8. #8 Trench Defender
    92% match3 user reviews100% of 3 reviews2024
    Dev: Chim Ruoi Games
    Windows

    An action-packed FPS where you defend your trench against waves of attacking enemies by utilizing a large selection of modern (and not so modern) military weapons, features both single-player and two player online multiplayer (peer-to-peer).

    Why similar: FPS 17.7%, Shooter 16.9%, Action 15.3%, Military 13.6%, Combat 10.3%

  9. #9 Operation: Harsh Doorstop "Closed Beta"
    91% matchPositive86% of 36 reviews2023
    Dev: Drakeling Labs
    Windows

    This version of Operation: Harsh Doorstop is updated nightly with all "work-in-progress" features that are currently being developed for the game. Our development team uses this to organize exclusive playtests for our paid supporters. You can gain access to these events by purchasing the game here.

    Why similar: FPS 19.3%, Shooter 18.4%, Action 16.6%, Military 14.6%, Combat 11.2%

  10. #10 Strike Force 3
    91% matchMixed64% of 13 reviews2023
    Dev: Polygon ArtPub: Polygon Art Publishing
    Windows

    Join Strike Force 3, an elite unit combating ruthless terrorists. Engage in adrenaline-pumping firefights, stealth missions, and complete daring objectives. Enlist now for the ultimate combat experience!

    Why similar: FPS 17.3%, Shooter 16.1%, Wargame 15.7%, Action 14.2%, Military 10.7%

  11. #11 Desecrated
    90% matchNo user reviews
    Dev: DoW
    Windows

    Desecrated is a fast paced FPS inspired by retro fps. Grab your guns, regain your powers and slaughter those who stand in your way.

    Why similar: FPS 22.3%, Shooter 21.7%, Action 20.8%, Combat 18.1%, Dark 14.2%

  12. #12 Rust Rivalry
    89% 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 24.1%, Shooter 18.7%, Action 14%, Military 12.5%, Combat 12.2%

  13. #13 Dangerous Connections
    89% matchNo user reviews2027
    Dev: RZC
    Windows

    1987. The Soviet Union is cracking from within. As special agent Dan Morris, navigate a world of shifting loyalties, covert operations, and ideological fractures in this story-driven Cold War FPS.

    Why similar: Cold War 30.9%, FPS 15.8%, Shooter 14.6%, Gore 10.1%, Action 8.8%

  14. #14 F.O.R.S
    88% matchMixed48% of 110 reviews2025
    Dev: Ingenuity Interactive
    Windows

    This intense shooter combines combat with trivia, answering questions correctly keeps you safe, while wrong answers drain your health and reveal your location. To recover, you must reach risky map zones, but enemies will hunt you. Only the smartest and most skilled will survive.

    Why similar: FPS 17.7%, Shooter 16.9%, Wargame 16.3%, Action 15.1%, Military 13.7%

  15. #15 M.I.A.: Mission in Asia
    87% matchMixed58% of 76 reviews2025
    Dev: Burut CTPub: Strategy First
    Windows

    Tensions were growing on the border of Slaviya. Secret service of Primorye put subversive activities on a wide scale confronted by Federal Security Service (FSS) of Russian Federation. FSS receives information that one of FSS agents was over-recruited by Secret service of Primorye.

    Why similar: Shooter 21.6%, FPS 18.6%, Action 15.6%, Military 12%, Wargame 11.8%

  16. #16 Bullet Force
    86% matchMixed65% of 361 reviews2025
    Dev: Blayze Games, L.L.C.
    Windows

    Online multiplayer FPS, team based or solo. TDM, Gun Game, FFA, and Conquest. Includes custom map editor.

    Why similar: FPS 18.3%, Shooter 17.8%, Action 15%, Military 12.7%, 3D 10.1%

  17. #17 Galvanized
    86% matchPositive90% of 10 reviews2025
    Dev: Albino Moose Games
    Windows

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

    Why similar: Shooter 21.2%, FPS 17.9%, Action 14.5%, Combat 10.8%, Retro 10%

  18. #18 Echofall
    85% 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: Combat 21.6%, Shooter 20.9%, FPS 20.1%, Action 19.1%, 3D 8.4%

  19. #19 FireLine
    84% match1 user reviews0% of 1 reviews2026
    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 20.4%, Shooter 19.8%, Action 18.8%, Military 18.6%, Combat 13.1%

  20. #20 Killing Bullet
    84% 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 23.3%, Shooter 18.2%, Combat 16.1%, Military 11.9%, 3D 11.6%

  21. #21 Mercury
    83% match5 user reviews60% of 5 reviews2023
    Dev: Atomic Isotope Studios
    Windows

    Mercury is postmodern sci-fi first-person shooter set in the year 2052 where you take the role of a Mercury agent of the Special Operations Command Center undergoing tremendous missions in an effort to stop the development of a super weapon by the Soviets.

    Why similar: Cold War 32.8%, FPS 16%, Shooter 15.3%, Action 14%, Military 12.1%

  22. #22 Line of Contact
    82% matchNo user reviews
    Dev: Zerosight Games
    Windows

    A linear, story-driven first-person shooter focused on intense combat and a dark military narrative.

    Why similar: Military 19.7%, FPS 19.3%, Action 16.7%, Wargame 13.3%, Combat 7.3%

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    82% match1 user reviews100% of 1 reviews2025
    Dev: SIA Zhigunov Systems
    Windows · Mac

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    Why similar: FPS 23.8%, Shooter 23%, Action 21.6%, Combat 15.5%, 3D 13.2%

  24. #24 Bounty
    81% matchMixed57% of 21 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 29%, Shooter 18.9%, Action 17.9%, Combat 12.8%, 3D 9.4%

  25. #25 SPEARPOINT - Delta Unit 7
    81% matchNo user reviews
    Dev: wtx
    Windows

    SPEARPOINT - Delta Unit 7 is a no-frills FPS inspired by the early tactical shooters of the late 90's. Engage in long range battles across varied and expansive landscapes, complete objectives and exfil.

    Why similar: Shooter 18%, FPS 17.1%, Military 15.5%, Action 14.4%, First-Person 10.8%

  26. #26 Minute Fighter
    80% match8 user reviews75% of 8 reviews2024
    Dev: Dzah
    Windows

    A first-person shooter controlled entirely with the mouse, with a focus on the granularity and minutia of interaction.

    Why similar: FPS 19.8%, Shooter 19%, Action 17.2%, Combat 11.6%, 3D 11.1%

  27. #27 Project Redsun
    79% matchNo user reviews
    Dev: CustomDev
    Windows

    Project Redsun is a zombie First person shooter. You have to defend yourself against hoards of zombies coming straight for you.

    Why similar: FPS 22%, Shooter 21.2%, Action 19.8%, Combat 13.3%, 3D 12.3%

  28. #28 MedCom Origin
    79% matchNo user reviews
    Dev: ANP Production
    Windows

    MedCom Origin is a story about russian city in which the pathogen outbreak occurred. PMCs shoot people right on the streets of the city, parks and squares are turned into warehouses for corpses Welcome to the city, welcome to the hell.

    Why similar: FPS 23.8%, Shooter 17%, Military 12.9%, Action 11.6%, 3D 10.6%

  29. #29 Defuse
    78% matchNo user reviews
    Dev: WILLIWAW HubPub: IDC Games
    Windows

    Defuse is a tactical shooter where strategy and precision are key. Form a team, plan your movements and eliminate enemies to achieve objectives. Do you have what it takes to dominate the battlefield?

    Why similar: FPS 19.3%, Shooter 18.6%, Action 18.1%, Military 14.9%, Combat 11.2%

  30. #30 Rio Warzone
    78% matchNo user reviews
    Dev: A3d Studio (Solo Developer)
    Windows

    Wotson is a novice soldier in the special services of Rio de Janeiro, he will have to show his worth facing the most dangerous bandits. Seizing drugs and money will be your goals in this game.

    Why similar: FPS 19.7%, Shooter 18.9%, Action 17%, Military 12.9%, 3D 11%

  31. #31 Furry Sniper
    77% matchVery Positive88% of 109 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 20.4%, Shooter 19.2%, Action 18.8%, Combat 11.5%, 3D 11%

  32. #32 Burkina Faso: Radical Insurgency
    76% matchMixed64% of 66 reviews2025
    Dev: Blackridge EntertainmentPub: Octorian Studios
    Windows

    BF:RI is a military tactical shooter and a work of historical fiction set in war-torn Burkina Faso. You are a CIA SAC Tier 1 operator, assigned to Operation Sahel Dominion, a covert manhunt targeting the Leader of the Sahel Caliphate responsible for an act of terrorism on American soil.

    Why similar: FPS 17.3%, Shooter 16.1%, Action 14.2%, Military 11.6%, 3D 9.5%

  33. #33 Ghost Terminator
    77% matchPositive91% of 11 reviews2022
    Dev: Mauricio GuzinskiPub: Pixelynt
    Windows

    Let's vanish some ghosts! Explore, shoot, run, throw grenades, have some fun and get a little scared. Your mission is to find and annihilate all the ghosts.

    Why similar: FPS 24%, Action 20.2%, Dark 17.2%, Shooter 17%, 3D 12.7%

  34. #34 Pls Kill it.
    76% matchMixed68% of 63 reviews2022
    Dev: XinPub: Owner
    Windows

    Use your FPS expertise and beat it!! The enemy AI in the game will follow the player's behavior and try to surpass you; please do your best to defeat it, it may perform beyond your expectations, and the rest will surpass you!

    Why similar: Shooter 24.3%, FPS 23.9%, Action 13%, Combat 13%, 3D 11.1%

  35. #35 Half Alive
    75% matchMostly Positive71% of 42 reviews2023
    Dev: Tyro Interactive
    Windows

    Half Alive is a low poly wave-based survival game where every decision matters. Face hordes of zombies solo or in co-op, tackle unique challenges, and customize your arsenal. Fight, adapt, and survive.

    Why similar: FPS 20.4%, Shooter 19.5%, Action 17.4%, Combat 12.1%, 3D 10.5%

  36. #36 Dissonators
    74% matchNo user reviews
    Dev: 4Tale Production
    Windows

    Dissonators is a dynamic multiplayer shooter where you'll engage in battles on diverse maps, utilizing your skills, gadgets, and abilities to their fullest to overcome the enemy and snatch victory from their grasp.

    Why similar: Wargame 17.5%, Shooter 16.4%, FPS 16.3%, Action 14.5%, Military 11.6%

  37. #37 Depopulation Agent
    74% matchNo user reviews
    Dev: WoeWare
    Windows

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    Why similar: FPS 28.1%, Shooter 16.7%, Gore 14.1%, 3D 9.3%, Action 9.2%

  38. #38 Sophonce
    73% matchPositive88% of 25 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 22.2%, Shooter 20.9%, Action 19.6%, Combat 14.1%, Gore 10.7%

  39. #39 GRUNGE: Count Your Bullets
    73% matchNo user reviews
    Dev: Simon Slav
    Windows

    A slower, more lethal post-apocalyptic singleplayer FPS. Explore, spot enemies, quick-save, count your bullets, hold your breath, headshot. "Lethal gameplay" without bullet-sponge enemies, survival chores, or limited saves.

    Why similar: Shooter 26.1%, Action 24.8%, Combat 17.3%, 3D 16.4%, First-Person 12.2%

  40. #40 Square Head Zombies 2 - FPS Game
    75% matchMixed42% of 64 reviews2019
    Dev: Sabrina Aridi
    Windows
    Median: 54 minMean: 6.1 hrs≥1hr: 45%

    New zombies need to be defeated in Square Head Zombies 2. Go to new places, find and destroy them all.

    Why similar: FPS 17.9%, Military 15.1%, Shooter 14.9%, Combat 11.4%, 3D 9.8%

  41. #41 SLENDYJAN
    72% matchNo user reviews2026
    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 26.3%, Shooter 17.2%, 3D 13.9%, Action 12.2%, First-Person 10.5%

  42. #42 Leguiumz Experience
    72% matchNo user reviews
    Dev: Leguiumz
    Windows

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    Why similar: Shooter 25.8%, Action 24.8%, Combat 21.5%, 3D 14.7%, First-Person 13.2%

  43. #43 Atomix
    70% match3 user reviews33% of 3 reviews2026
    Dev: T.M.Ngulo
    Windows

    Pilot devastating combat mechs, fly through massive sci-fi battlefields, unleash tactical nukes, and destroy enemy machines in this fast-paced arcade FPS built for chaos, speed, and domination

    Why similar: FPS 22.8%, Shooter 21.1%, Combat 18.1%, 3D 13.2%, Action 12.7%

  44. #44 Soldier Offensive
    71% matchNo user reviews2026
    Dev: Oguz Abdullah CelikPub: Casayona Studio
    Windows

    Soldier Offensive offers an action-packed first person shooterexperience. As a soldier, engage in intense combat against enemy forces, complete missions, and turn the tide of war. You are invited to the front lines with its atmospheric and fast-paced gameplay

    Why similar: FPS 18.5%, Shooter 17.7%, Wargame 17.2%, Action 15.5%, Military 10.8%

  45. #45 Strike Force 2 - Terrorist Hunt Enhanced Edition
    71% matchMixed55% of 11 reviews2022
    Dev: Enigma EntertainmentPub: Polygon Art Publishing
    Windows

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    Why similar: FPS 22.1%, Shooter 20.7%, Action 19.1%, Combat 14.4%, 3D 12%

  46. #46 Invention 5
    70% matchMixed44% of 32 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 21.8%, Shooter 20.5%, Action 19%, Combat 13.5%, 3D 11.8%

  47. #47 Undead Uprising
    69% matchNo user reviews
    Dev: Northstar H8Core
    Windows

    "Undead Uprising" immerses you in a post-apocalyptic world swarming with zombies. Battle through endless waves of the undead. Continuously evolving, the game offers regular updates and fresh content. The fate of humanity rests in your hands. Are you ready?

    Why similar: FPS 23.2%, Shooter 22.4%, Action 14.4%, Dark 13.5%, 3D 12.9%

  48. #48 Operation: Black Mesa
    69% 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 20.4%, Shooter 16.8%, Military 13.9%, 3D 9.8%, Action 8.6%

  49. #49 JohnJohnson: Remnant
    69% matchNo user reviews2026
    Dev: Quadriple I
    Windows

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

    Why similar: FPS 22%, Shooter 21.3%, Action 20%, Combat 13.1%, 3D 12.2%

  50. #50 George: A Horror Story
    70% 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 21.7%, Shooter 20.9%, Action 19.7%, Combat 14.1%, Gore 10.8%

  51. #51 UZG Remastered
    68% matchNo user reviews
    Dev: nex
    Windows

    UZG Remastered is a low-poly, single-player, and round-based zombie shooter. Progress through levels with increasingly harder enemies and upgrade yourself along the way.

    Why similar: FPS 25.2%, Combat 14%, Action 13.5%, Military 12.9%, 3D 12.6%

  52. #52 Snuff
    68% matchMixed65% of 46 reviews2022
    Dev: SmithHound
    Windows

    Snuff is a retro ego-shooter which was inspired by early 2000 games. You play as Dexter, a programmer and hacker who is hunted by followers of an underground organization. After barely escaping an assassination attempt, you decide to hunt down every single boss of the organisation.

    Why similar: FPS 21.5%, Shooter 13.4%, Action 12.6%, Retro 9.3%, Combat 9%

  53. #53 '83
    65% matchMixed67% of 1,249 reviews2026
    Dev: Blue Dot Games
    Windows

    '83 is a 40v40 squad based, objective focused online tactical first person shooter set in a Cold-War-Gone-Hot scenario. It's designed with 'accessible realism' for the most enjoyable, but still hardcore experience that gets you to the action fast, without losing the lethality of war.

    Why similar: Cold War 29%, Military 12%, FPS 11.6%, Shooter 9.5%, Gore 9.4%

  54. #54 Clownfield 6
    66% matchMixed62% of 21 reviews2026
    Dev: RIVERSIDE SPORTS
    Windows

    It’s 2028. What started as AI-driven hardware shortage has ended with sentient machines turning on humanity. Clankers are rising, hitting U.S. infrastructure, and the people are fighting back.

    Why similar: Wargame 19.5%, Shooter 19%, Action 16.8%, Military 13.7%, 3D 11.3%

  55. #55 Backrooms: Deathmatch
    67% matchNo user reviews
    Dev: Planet Machine
    Windows

    A multiplayer first person shooter set within the liminal spaces of the Backrooms

    Why similar: Cold War 19.5%, FPS 18.6%, Shooter 17.3%, Combat 14.8%, 3D 10.8%

  56. #56 SKYCOP
    67% matchNo user reviews
    Dev: SIENTURE
    Windows

    Welcome to the year 2080! The number of unemployed and criminals is skyrocketing, but we won't let it happen. This is where Project SkyCop comes in - an elite unit of police officers who can take on anything.

    Why similar: FPS 23.6%, Shooter 22.8%, Action 21.4%, 3D 13.1%, First-Person 9.7%

  57. #57 UnderRed
    66% match4 user reviews25% of 4 reviews2026
    Dev: Cyber AI CO.,LTD.
    Windows · Mac

    UnderRed is a fast-paced team-based FPS featuring intense 5v5 combat and free-for-all modes for up to 8 players. Coordinate with your team, master diverse weapons, and dominate the arena. Free to Play.

    Why similar: FPS 24.7%, Shooter 17.8%, Military 14%, Action 12%, Combat 10.4%

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Frontline: Operation Kosmonaut cover art

Games Like Frontline: Operation Kosmonaut

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