- #1 Black Mesa
97% matchVery Positive95% of 142,456 reviews2020
Dev: Crowbar Collective
Windows · Linux
Median: 8.2 hrsMean: 23.5 hrs≥1hr: 90%
Relive Half-Life.
Why similar: FPS 40.8%, Shooter 19%, First-Person 16.5%, Atmospheric 11.2%, Action 8.1%
Why You'll Like It: This is the definitive, fan-made reimagining of the original Half-Life that captures the series' core identity perfectly.
- #2 Prospekt
96% matchMixed62% of 1,664 reviews2016
Dev: SCT
Windows
Median: 3.2 hrsMean: 6.3 hrs≥1hr: 88%
Prospekt begins in the Nova Prospekt prison in the Half-Life universe. Gordon Freeman is slowly being overrun by soldiers in the prison, however unknown to him, his Vortigaunt allies manage to find some help from a forgotten hero.
Why similar: FPS 43.7%, Shooter 20.5%, First-Person 15.8%, Action 14.8%, Singleplayer 5.3%
Why You'll Like It: Created as a standalone expansion to Half-Life 2, this game directly mirrors the mod-turned-official-release trajectory of the seed game.
- #3 Transmissions: Element 120
96% matchVery Positive94% of 9,919 reviews2016
Dev: ShokuninPub: Self Published
Windows · Linux
Median: 1.1 hrsMean: 2.7 hrs≥1hr: 54%
TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?
Why similar: FPS 25.7%, Shooter 23.8%, First-Person 14.8%, Walking Simulator 8.9%, Action 8.2%
Why You'll Like It: A high-quality, Half-Life-inspired mod that provides a short, atmospheric, and physics-heavy shooter experience.
- #4 Cruelty Squad
95% matchOverwhelmingly Positive96% of 23,524 reviews2021
Dev: Consumer Softproducts
Windows
Median: 3.2 hrsMean: 10.2 hrs≥1hr: 70%
An immersive power fantasy simulator with tactical stealth elements set in a sewage infused garbage world
Why similar: FPS 49.7%, Shooter 26.1%, First-Person 18.2%, Action 6%
Why You'll Like It: This game captures the bizarre, experimental, and intentionally jarring FPS energy that makes cult-classic shooters so memorable.
- #5 Kvark
94% matchVery Positive87% of 429 reviews2024
Dev: Latest PastPub: Perun Creative
Windows · Mac · Linux
Median: 5.7 hrsMean: 5.6 hrs≥1hr: 74%
Kvark is an FPS game set in a fictional version of the 80s Czech Republic. The player finds themselves in an underground facility that is falling apart as they travel through it. They will have to navigate through dark tunnels and will encounter many obstacles and enemies that will test their skills
Why similar: Alternate History 33%, Bullet Hell 20.2%, FPS 20.1%, Shooter 13.9%, First-Person 10.2%
Why You'll Like It: A retro-styled shooter that leans heavily into alternate-history themes and first-person combat.
- #6 POSTAL 2
94% matchOverwhelmingly Positive97% of 133,374 reviews2012
Dev: Running With Scissors
Windows · Linux
Median: 4.2 hrsMean: 16.9 hrs≥1hr: 86%
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
Why similar: Moddable 40.3% ★, Open World 19.2%, FPS 15.4%, First-Person 12.1%, Shooter 8.1%
Why You'll Like It: A legendary cult-classic shooter that embraces jank and dark humor in a way that resonates with the community surrounding the seed game.
- #7 Duke Nukem Forever
93% matchMixed69% of 11,486 reviews2011
Dev: Gearbox SoftwarePub: 2K
Windows · Mac
Median: 3.5 hrsMean: 15.2 hrs≥1hr: 77%
The King arrives with an arsenal of over-the-top weapons, giant explosions and pure unadulterated fun!
Why similar: FPS 54%, Shooter 18.8%, Action 11.1%, First-Person 10.6%, Singleplayer 3.4%
Why You'll Like It: Often cited as a legendary disappointment, this game shares the 'long-awaited and flawed' reputation that defines the seed game's legacy.
- #8 GTTOD
92% matchVery Positive88% of 3,305 reviews2017
Dev: Andrew SmithPub: Hitcents
Windows
Median: 1.7 hrsMean: 10.5 hrs≥1hr: 62%
RISE. FALL. REPEAT. Ascend to the level of the Gods as you battle your way out of a shattered and chaotic dimension in this fast paced parkour FPS rogue-like.
Why similar: Parkour 29.1%, Moddable 21.6% ★, FPS 19.2%, Shooter 12%, First-Person 8%
Why You'll Like It: A fast-paced, experimental FPS that focuses on movement and chaotic, arcade-style shooting.
- #9 Extraneum
90% matchVery Positive96% of 108 reviews2024
Dev: David JalbertPub: Hellforge Studios
Windows · Linux
Extraneum is an old-school, sci-fi single-player first person shooter with an emphasis on exploration and secret hunting. Fight your way through biohacked monstrosities and stop their progress before they take control of the entire world.
Why similar: FPS 37.4%, Shooter 26.1%, Dark 23.7%, Action 8.5%, Singleplayer 4.4%
Why You'll Like It: A retro-inspired shooter that captures the classic, fast-paced feel of 90s FPS titles.
- #10 Freeman: Guerrilla Warfare
91% matchMixed65% of 12,409 reviews2019
Dev: KK Game Studio
Windows
Median: 8.3 hrsMean: 21.9 hrs≥1hr: 91%
In the anarchic world of Freeman: Guerrilla Warfare, only the mightiest warlord rules. Start with a pistol and a few militias, you will set yourself on a wild and ambitious journey towards world domination. Enjoy the immersive combination of intense FPS and sandbox strategy.
Why similar: FPS 25.1%, Shooter 21%, Military 17%, Open World 17%, First-Person 10.5%
Why You'll Like It: While a strategy hybrid, it shares the name and the tactical shooter focus found in the seed game.
- #11 Singularity™
89% matchVery Positive93% of 5,861 reviews2010
Dev: Raven SoftwarePub: Activision
Windows
Median: 5.6 hrsMean: 7.2 hrs≥1hr: 80%
FIGHT THE PAST TO SAVE THE FUTURE. STOP THE SINGULARITY. Learn the truth behind a massive cover-up of the catastrophic SINGULARITY, an event that fractured time and threatens the world as we know it. Armed with powerful, advanced weaponry and the experimental Time Manipulation Device, fight enemies from the past, the present, and...
Why similar: FPS 37.9%, Alternate History 22%, Shooter 11.8%, First-Person 8.3%, Atmospheric 7.7%
Why You'll Like It: A cinematic, sci-fi FPS that features time-manipulation mechanics and an alternate-history narrative.
- #12 Wolfenstein: The New Order
89% matchVery Positive92% of 61,017 reviews2014
Dev: MachineGamesPub: Bethesda Softworks
Windows
Median: 11.9 hrsMean: 19.0 hrs≥1hr: 90%
Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Wolfenstein offers a deep game narrative packed with action, adventure and first-person combat.
Why similar: Alternate History 32.2%, FPS 31.7%, Shooter 13.1%, First-Person 8.6%, Action 6.4%
Why You'll Like It: A polished, high-octane shooter that masterfully handles the alternate-history premise.
- #13 Perilous Warp
88% matchMostly Positive74% of 376 reviews2020
Dev: Crystice Softworks
Windows · Mac · Linux
Median: 2.3 hrsMean: 4.3 hrs≥1hr: 68%
Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!
Why similar: FPS 27.8%, Moddable 24.4% ★, Action 16.2%, Shooter 11%, First-Person 9.7%
Why You'll Like It: A violent, indie-developed FPS that prioritizes raw, old-school combat mechanics.
- #14 F.E.A.R.
87% matchVery Positive94% of 19,025 reviews2010
Dev: Monolith Productions, Inc.Pub: Warner Bros. Games
Windows
Median: 3.0 hrsMean: 16.3 hrs≥1hr: 69%
Experience the original F.E.A.R. along with F.E.A.R. Extraction Point and F.E.A.R. Perseus Mandate.
Why similar: FPS 49.7%, Shooter 14.6%, Atmospheric 8.2%, Action 8.2%, Dark 8.1%
Why You'll Like It: This game delivers the intense, squad-based, and cinematic FPS action that the seed game attempted to emulate.
- #15 Intrude
86% matchVery Positive82% of 211 reviews2016
Dev: Michal Kruba
Windows
Median: 2.5 hrsMean: 3.4 hrs≥1hr: 72%
Intrude is a first-person shooter. Your mission is to get into a long time abandoned base, suddenly taken over by some kind of private military, find your way up and destroy the source of a signal comming from the base. Collect as much data as you can to find out what they are up to.
Why similar: FPS 52.5%, Shooter 27.9%, Action 19.5%
Why You'll Like It: A retro-styled indie shooter that focuses on straightforward, high-intensity action.
- #16 Squirrel Stapler
84% matchOverwhelmingly Positive96% of 2,257 reviews2023
Dev: David Szymanski
Windows
Median: 1.2 hrsMean: 2.3 hrs≥1hr: 61%
Hunt squirrels, staple them to a corpse, and meet god.
Why similar: Walking Simulator 42.4%, FPS 20.5%, Shooter 12.6%, First-Person 10.2%, Atmospheric 9.3%
Why You'll Like It: An indie horror game that uses a low-fidelity aesthetic to create a uniquely unsettling and weird atmosphere.
- #17 Protocol
86% matchMostly Positive74% of 337 reviews2018
Dev: Fair Games StudioPub: Sad Horse studio
Windows
Median: 2.9 hrsMean: 5.8 hrs≥1hr: 72%
By signing below, you agree to follow the Protocol. Protocol is a program of strict rules created to make first contact with an alien life form that got shot down in the Arctic Circle.
Why similar: Walking Simulator 35.6%, FPS 19.4%, Multiple Endings 14.4%, First-Person 11.4%, Atmospheric 8.6%
Why You'll Like It: A weird, narrative-driven game that leans into dark humor and surreal, first-person exploration.
- #18 High Entropy: Challenges
83% matchOverwhelmingly Positive96% of 1,268 reviews2020
Dev: Álvaro García (binarynonsense)
Windows
Use computers (via GUIs or the command line), unlock doors, crawl through vents, fight enemies head on or find other ways to neutralize or avoid them...
Why similar: FPS 32.2%, First-Person 22.8%, Multiple Endings 13.9%, Action 13.6%, Combat 11.5%
Why You'll Like It: An immersive-sim-lite experience that offers unique, singleplayer shooter challenges.
- #19 Half-Life Deathmatch: Source
84% matchMostly Positive75% of 5,462 reviews2006
Dev: Valve
Windows · Linux
Median: 12 minMean: 43.0 hrs≥1hr: 24%
Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.
Why similar: FPS 48.1%, Shooter 20.7%, Action 16.7%, First-Person 12.6%, Atmospheric 1.4%
Why You'll Like It: The classic multiplayer experience that serves as the foundation for much of the Half-Life modding community.
- #20 Viscera Cleanup Detail
81% matchVery Positive92% of 23,485 reviews2015
Dev: RuneStorm
Windows · Mac
Median: 4.3 hrsMean: 13.4 hrs≥1hr: 88%
In Viscera Cleanup Detail, you step into the boots of a space-station janitor tasked with cleaning up after various horrific sci-fi horror events. Instead of machineguns and plasma-rifles, your tools are a mop and bucket. That hero left a mess, and it's up to you to deal with the aftermath.
Why similar: Walking Simulator 48.2%, First-Person 39.9%, Casual 6.6%, Singleplayer 5.3%
Why You'll Like It: This game provides the perfect perspective for cleaning up the aftermath of the sci-fi destruction seen in Half-Life-style games.
- #21 AlienAfterlife
82% matchVery Positive95% of 57 reviews2019
Dev: Jeremy CouillardPub: Akupara Games
Windows
Step into a radiant dimension where souls reboot as data. Recover your reincarnation machine from alien terrorists and explore glowing temples of memory, logic, and light. A surreal odyssey through death, rebirth, and the beauty of being lost.
Why similar: Walking Simulator 76.6%, Atmospheric 8.7%, Action 7.2%, Casual 5.9%, Singleplayer 1.6%
Why You'll Like It: An exploration-focused game that leans into the sci-fi walking-simulator elements found in the seed game.
- #22 Synergy
80% matchMostly Positive76% of 1,039 reviews2025
Dev: Leikir StudioPub: Goblinz Publishing
Windows · Mac
Median: 1.4 hrsMean: 5.7 hrs≥1hr: 54%
An ecosystem City Builder in a unique world. Build your settlement, manage your workers and optimize your resources. Analyzing your environment, spreading new plants, and harvesting them are key to prosperity.
Why similar: Atmospheric 73.6%, Singleplayer 26.4%
Why You'll Like It: A fan-made co-op mod for Half-Life 2 that allows players to experience the source material with friends.
- #23 Straya
81% matchVery Positive84% of 102 reviews2023
Dev: Ayrtech
Windows
An action based shooter based in Australia where everything wants to kill you.
Why similar: Souls-like 24.1%, FPS 19.3%, Open World 14.1%, Shooter 13.4%, First-Person 9.6%
Why You'll Like It: A first-person shooter adventure that provides a straightforward, indie-developed combat experience.
- #24 Remoteness
82% matchMixed56% of 111 reviews2022
Dev: KR Games
Windows
New York, 2034: you wake up after what seemed to be a terrible nightmare, while it is not. The district has been evacuated and isolated overnight by the army, after an electrical meteor shower hit the Earth. Fight, explore, survive, and try to escape from this hell!
Why similar: FPS 22.8%, Shooter 18.2%, Open World 17.9%, First-Person 12.9%, Multiple Endings 12.9%
Why You'll Like It: A singleplayer action-adventure shooter that focuses on exploration and narrative pacing.
- #25 Garry's Mod
78% matchOverwhelmingly Positive97% of 1,237,980 reviews2006
Dev: Facepunch StudiosPub: Valve
Windows · Mac · Linux
Median: 25.5 hrsMean: 286.6 hrs≥1hr: 94%
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Why similar: Moddable 44.3% ★, FPS 19.5%, Shooter 13.8%, First-Person 10.7%, Action 4.5%
Why You'll Like It: The essential sandbox tool that has served as the home for countless Half-Life-inspired projects and mods.
- #26 POSTAL 4: No Regerts
79% matchMixed66% of 13,149 reviews2022
Dev: Running With Scissors
Windows
Median: 3.4 hrsMean: 13.7 hrs≥1hr: 81%
POSTAL 4: No Regerts is a satirical and outrageous comedic open world first person shooter and the long-awaited true sequel to what’s been fondly dubbed as "The Worst Game Ever™", POSTAL 2!
Why similar: Shoot 'Em Up 21.8%, FPS 21.6%, Open World 19.9%, Shooter 15.2%, First-Person 12.8%
Why You'll Like It: A continuation of the janky, satirical FPS formula that fans of cult-classic shooters often enjoy.
- #27 Ion Fury
78% matchVery Positive93% of 6,708 reviews2019
Dev: Voidpoint, LLCPub: 3D Realms
Windows · Linux
Median: 4.7 hrsMean: 9.8 hrs≥1hr: 81%
3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, team up with Voidpoint to bring back the legendary Build Engine, famous for classic shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Fast-paced FPS combat across huge, secret-packed levels. Ion Fury is the real deal!
Why similar: FPS 25.5%, Moddable 24.1% ★, Level Editor 21.1%, Shooter 12.9%, First-Person 9.9%
Why You'll Like It: A high-quality, modern retro shooter that proves how effective the classic FPS formula can be.
- #28 >SYS//PURGE_
77% matchVery Positive91% of 99 reviews2026
Dev: tomo2515x
Windows
>SYS//PURGE_ is a free, fast-paced FPS inspired by 90's classics, with roguelike elements. Collect items, stay alive and descend deeper into the facility. You take control of an LN-X unit, a glitch breaks you out of the Overseer's control. Make it burn.
Why similar: Alternate History 21%, FPS 20%, Military 17.2%, Shooter 15.8%, First-Person 8.2%
- #29 Project Hailstorm
76% matchVery Positive84% of 683 reviews2025
Dev: Imbrium
Windows
Step into the shoes of a researcher in the depths of the antarctic and uncover the mysteries behind Project Hailstorm.
Why similar: Walking Simulator 40.6%, Alternate History 32.6%, First-Person 10.5%, Dark 8.3%, Atmospheric 6.6%
- #30 ENTITY: THE BLACK DAY
76% matchVery Positive82% of 475 reviews2026
Dev: ASD Games StudioPub: ASD Games © 2026
Windows · Linux
A former special forces operative is sent to uncover a government cover-up tied to a secret viral experiment. As he explores a hidden underground lab and tracks the last two survivors, he realizes the facility conceals even darker secrets.
Why similar: Souls-like 44.2%, Dark 20.3%, Shooter 14.3%, Atmospheric 9.4%, Action 7.5%
- #31 Neckbreak
77% matchVery Positive80% of 462 reviews2022
Dev: MGP Studios
Windows
Median: 3.5 hrsMean: 4.2 hrs≥1hr: 77%
An overdose of reality can have dire consequences... Tumble down the rabbit hole and embrace your downfall with 12 endings, non linear day by day progression, sanity system and more...
Why similar: Souls-like 28.7%, Shoot 'Em Up 19.4%, FPS 16.3%, Shooter 11.1%, Multiple Endings 9.6%
- #32 Daikatana
79% matchMixed53% of 1,144 reviews2013
Dev: Ion StormPub: Square Enix
Windows
Median: 12 minMean: 13.0 hrs≥1hr: 26%
In 2455 AD, Kage Mishima used the magical powers of Daikatana, the most powerful sword ever forged, to alter time and establish himself as supreme dictator. You are Hiro Miyamoto, one of the few people on earth who knows what happened.
Why similar: FPS 37.9%, Shooter 22.1%, Action 19.5%, First-Person 17.9%, Singleplayer 2.6%
Why You'll Like It: A historical parallel to the seed game, representing a highly ambitious project that failed to meet its own hype.
- #33 Goat Massacre
75% matchMostly Positive79% of 63 reviews2024
Dev: Cybernetic Studios LLC
Windows
A murderer's only shot at redemption. Shatter hell portals, stack divine relics into devastating builds, and descend deeper into hell until you're strong enough to face Satan himself. A roguelike FPS about salvation through overwhelming holy firepower.
Why similar: FPS 29.3%, Shooter 22.7%, First-Person 15.3%, Open World 13.6%, Action 11.8%
- #34 Defend Earth: Xenos Survivors
75% matchMostly Positive79% of 61 reviews2023
Dev: ReijaPub: indie.io
Windows
You are Earth's last line of defense in a relentless alien invasion. Experience intense top-down roguelite action across diverse landscapes, fighting invaders with a versatile arsenal. Outsmart, outgun, and survive your foes. Every run increases the challenge - so adapt, evolve, dominate!
Why similar: Bullet Hell 34.7%, Military 33%, Combat 17.2%, Action 6.4%, Casual 5.4%
- #35 Patriot: DemocratiZation
74% matchVery Positive84% of 106 reviews2025
Dev: MADia EntertainmentPub: Strategy First
Windows
2017. Around the world, oil and gas reserves are being depleted. In the United States, forces hungry for world domination are coming to power. In Russia, the economic and political situation is on the verge of complete collapse.
Why similar: Alternate History 25.6%, FPS 20.2%, Military 17.9%, Shooter 15.1%, Action 9.1%
- #36 Project Liminal 2
72% matchVery Positive90% of 63 reviews2026
Dev: AquaHeaven StudiosPub: TXC
Windows
Explore terrifying liminal spaces. Horror walking simulator with reality-bending platforming and supernatural threats. Get lost between dimensions.
Why similar: FPS 28.8%, Shooter 24.7%, Action 13.3%, First-Person 13.3%, Dark 11.5%
- #37 Burkina Faso: Radical Insurgency
73% matchMixed69% of 58 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 22.8%, Military 19.6%, Shooter 16.9%, Dark 11.7%, First-Person 10.4%
- #38 2023: Alien Bugs Invade Earth
73% matchVery Positive77% of 53 reviews2023
Dev: StarTroop LLC
Windows
Why are alien insectoids invading Earth in 2023? This narrative driven 2D shooter pits you against a seemingly hopeless battle against the invading Insectoids. How will you (and Earth) manage to survive? What hidden technological, historical, and spiritual secrets will you discover as a result?
Why similar: Shooter 38%, Combat 30%, Action 16.1%, Casual 12.9%, Singleplayer 3%
- #39 DIMENSIONS
73% matchMixed51% of 119 reviews2024
Dev: Villano Wild Studio
Windows
Dimensions: Each level is a new challenge in a different universe. Explore, adapt, and overcome in an interdimensional journey full of surprises.
Why similar: Shooter 61%, Action 34.5%, Singleplayer 4.5%
- #40 Antihorror
74% matchMostly Positive74% of 235 reviews2016
Dev: HFM Games
Windows · Mac · Linux
Median: 3.3 hrsMean: 4.5 hrs≥1hr: 82%
Strange coincidence brought traveler in unfamiliar places. It would be fine, except sinister desolation is starting to embrace the surroundings. There is no another soul around for the tens of kilometers. Or that’s what it seems like? I should probably go deal with that.
Why similar: Walking Simulator 61.5%, First-Person 16.2%, Atmospheric 9.6%, Action 8.7%, Singleplayer 4%
- #41 FALLSTRUKTUR
69% matchOverwhelmingly Positive96% of 1,228 reviews2025
Dev: Fynn LevyPub: Stuffed Wombat
Windows · Mac · Linux
It takes a while to go back to sleep, but inevitably, you return. To dream of the Fallstruktur.
Why similar: Level Editor 22.3%, Parkour 21.6%, Souls-like 17.4%, First-Person 10%, Dark 9.7%
- #42 Darkenstein 3D
68% matchVery Positive91% of 1,505 reviews2025
Dev: RowyePub: MicroProse Software
Windows
Median: 36 minMean: 2.8 hrs≥1hr: 35%
A retro shooter inspired by classics like Wolfenstein and Doom. Think of it as a tribute, a love letter to the games that defined a generation, with a few modern touches of my own. It’s tough, fast, and demands skill, just the way those old-school shooters did.
Why similar: FPS 33.7%, Military 21.4%, Shooter 18.5%, First-Person 12.4%, Action 6.6%
- #43 Project Tower
70% matchMostly Positive74% of 82 reviews2025
Dev: Yummy Games
Windows
Dive in Project Tower, a third-person shooter mixing intense bullet hell combat with a unique morphing ability. Imprisoned by the "Hiks", fight to the top of their deadly tower for freedom. Will you outsmart them and make your way out ?
Why similar: Shoot 'Em Up 27.8%, Bullet Hell 27.8%, Shooter 15.7%, Dark 12.6%, Atmospheric 8%
- #44 Half-Life: Opposing Force
70% matchOverwhelmingly Positive95% of 28,165 reviews1999
Dev: Gearbox SoftwarePub: Valve
Windows · Mac · Linux
Median: 3.0 hrsMean: 39.3 hrs≥1hr: 65%
Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.
Why similar: FPS 54.3%, Military 11.4%, Shooter 10.6%, First-Person 7.2%, Moddable 5.7% ★
- #45 Alien Death Mob
71% matchVery Positive94% of 50 reviews2021
Dev: Pug Fugly GamesPub: Thalamus Digital
Windows
Aliens have invaded Earth! Towns, cities, deserts, they're everywhere! Take on the role of Earth's last super soldier and confront the alien menace in this intense twin stick shooter!
Why similar: Shoot 'Em Up 43.7%, Shooter 34.8%, Action 18.5%, Singleplayer 3%
- #46 Clown Of Duty
71% matchMostly Positive73% of 131 reviews2022
Dev: RIVERSIDE SPORTS
Windows
Experience the fast-paced contact with enemy, beautifully hand-crafted locations, gunsmithing, player customization and more, only in Clown of Duty!
Why similar: Shoot 'Em Up 20.8%, FPS 19.8%, Military 19.1%, Shooter 15%, First-Person 8.3%
- #47 Soulslinger: Envoy of Death
69% matchMixed65% of 664 reviews2025
Dev: Elder GamesPub: Headup
Windows
Median: 2.4 hrsMean: 4.5 hrs≥1hr: 79%
You are a gunslinger in limbo, involved in a gritty war against "The Cartel", a ruthless organization harvesting souls to break free of the shackles of the afterlife. Grow stronger with each new run, gather the essence of lost souls to take on the biggest threats in this rogue-lite FPS!
Why similar: FPS 31.1%, Shooter 19.6%, First-Person 14.5%, Combat 14.3%, Atmospheric 10%
- #48 Microbial Sector
67% matchVery Positive97% of 284 reviews2024
Dev: MadBug Studio
Windows
It's your first day as a lifeform researcher, and while you don’t know much about the job, you're desperate for the paycheck. What could possibly go wrong?
Why similar: Alternate History 54.4%, First-Person 21.3%, Atmospheric 12.9%, Dark 11.4%
- #49 Insincere
72% matchMixed50% of 258 reviews2016
Dev: Astronomic GamesPub: New Reality Games
Windows
Median: 3.5 hrsMean: 3.9 hrs≥1hr: 95%
You are Joseph Walker. After waking up in a strangely deserted science facility with no recollection of how you got there, you hear the voice of an A.I. The A.I. promises to be your guide and to help you out of the facility. However, it is clear right away that it’s not telling you everything.
Why similar: FPS 63.5%, Action 36.5%
- #50 INDUSTRIA
68% matchMostly Positive71% of 4,117 reviews2021
Dev: BleakmillPub: Headup
Windows
Median: 3.1 hrsMean: 4.0 hrs≥1hr: 83%
Embark on a gripping journey in INDUSTRIA, an atmospheric FPS set in Cold War-era East Berlin. Unravel the secrets of a mysterious parallel dimension while searching for a missing colleague. Explore a haunting reality where the truth awaits. Discover the dark past that lies beyond.
Why similar: Alternate History 32%, FPS 25%, Shooter 14.4%, First-Person 10.4%, Atmospheric 9.3%
- #51 Operation: Harsh Doorstop
67% matchMostly Positive77% of 20,147 reviews2023
Dev: Drakeling Labs
Windows
Median: 48 minMean: 5.7 hrs≥1hr: 45%
Operation: Harsh Doorstop is the ultimate, free to play, tactical shooter sandbox. Play singleplayer, multiplayer, or co-op modes and explore thousands of community-created maps, weapons, and vehicles via the Steam Workshop. Created by ex-developers of Squad, Red Orchestra, and Insurgency.
Why similar: Military 34.4%, FPS 22.3%, Moddable 15.2% ★, Shooter 13%, First-Person 6.7%
- #52 Rat Hunter
67% matchMostly Positive80% of 74 reviews2024
Dev: Secret SignPub: Strategy First
Windows
Rat Hunter features traditional, by-the-book gameplay, which does not wander into the realm of tactical shooters. Players will have to overcome different obstacles and solve various puzzles in order to get to the next level.
Why similar: FPS 36.7%, Shooter 27.4%, First-Person 18%, Action 14.1%, Singleplayer 3.8%
- #53 Greyhill Incident
70% matchMixed42% of 681 reviews2023
Dev: Refugium Games
Windows
Median: 2.8 hrsMean: 3.8 hrs≥1hr: 80%
This story-driven Survival-Horror game is about a classic Alien-Invasion which takes place during the early 90s. As Ryan Baker, equipped with a baseball bat and a few bullets in his revolver, the story takes you across the atmospheric neighborhood of Greyhill which is invaded by UFOs & Grey Aliens.
Why similar: Walking Simulator 25.1%, FPS 25%, Dark 17.7%, First-Person 16.6%, Atmospheric 11.4%
- #54 Project Remedium
71% matchMostly Negative32% of 161 reviews2017
Dev: Atomic Jelly
Windows
Median: 3.0 hrsMean: 3.4 hrs≥1hr: 85%
Project Remedium is a story-driven action shooter set inside a human body devastated by illness and bad circumstances. It's a post-apocalypse of sorts, a really tiny one, but for a nanobot named Nano+, the body is a whole world. So he is hell-bent on fixing it with his guns and a unique grapnel.
Why similar: FPS 27.2%, Action 18.8%, Shooter 16.2%, Open World 15.7%, First-Person 11.7%
- #55 Project Silverfish
63% matchVery Positive94% of 2,953 reviews2025
Dev: Siris Pendrake
Windows
Median: 10.1 hrsMean: 22.0 hrs≥1hr: 88%
Explore a hostile, living world: Uncover forgotten horrors, both man-made and supernatural, as you hunt for powerful weapons and exotic artifacts.
Why similar: FPS 25.7%, Open World 16.7%, Dark 16.6%, Shooter 16.6%, First-Person 9.1%
- #56 X-17
69% matchMixed50% of 129 reviews2021
Dev: Panzer GamingPub: Volens Nolens Games
Windows
Median: 3.1 hrsMean: 3.2 hrs≥1hr: 78%
FPS/3rd Person Genre Shooter. Fight your way through an Alien Invasion not only on earth but on other planets.
Why similar: FPS 37.2%, First-Person 20%, Shooter 15.2%, Atmospheric 12.9%, Action 10.9%
- #57 Lifeless Moon
66% matchMostly Positive79% of 309 reviews2023
Dev: Serenity Forge
Windows
During an expedition to the Moon, two astronauts find themselves in a familiar town back on Earth. They soon discover the town is the beginning of a strange and mysterious journey...
Why similar: Walking Simulator 37.3%, Alternate History 27.7%, Dark 13%, First-Person 9.4%, Atmospheric 8.2%
- #58 Exophobia
65% matchVery Positive88% of 139 reviews2024
Dev: Zarc AttackPub: PM Studios, inc.
Windows
Explore and fight your way through a crashed human spaceship infested with relentless hordes of aliens as you become more powerful with exciting weapon upgrades and powerups in this retro inspired first-person shooter.
Why similar: FPS 40.9%, Shooter 24.9%, Combat 20.3%, First-Person 11.7%, Singleplayer 2.4%