- #1 System Shock
97% matchVery Positive90% of 12,734 reviews2023
Dev: Nightdive StudiosPub: Atari
Windows
Median: 4.1 hrsMean: 13.4 hrs≥1hr: 74%
A first-person fight to the death in the depths of space!
Why similar: Immersive Sim 27.2%, FPS 19.1%, Sci-fi 15.7%, Space 10.7%, Shooter 6.9%
Why You'll Like It: A definitive sci-fi immersive sim that captures the tension and exploration of a derelict, hostile starship.
- #2 Prey
96% matchVery Positive91% of 54,074 reviews2017
Dev: Arkane StudiosPub: Bethesda Softworks
Windows
Median: 7.0 hrsMean: 27.2 hrs≥1hr: 90%
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
Why similar: Immersive Sim 20.1%, FPS 14.9%, Sci-fi 14.7%, Space 13.5%, Stealth 12.4%
Why You'll Like It: The gold standard for space-based immersive sims, offering unparalleled environmental interaction and systemic freedom.
- #3 Ctrl Alt Ego
96% matchVery Positive92% of 782 reviews2022
Dev: MindThunk
Windows
Median: 1.4 hrsMean: 4.3 hrs≥1hr: 60%
Innovative genre mashup (first-person immersive sim puzzler FPS RPG) with emphasis on problem-solving and creativity. Unique vibes and original mechanics that you won't have experienced before. One of the best games of 2022 according to various credible sources!
Why similar: Stealth 20.8%, Immersive Sim 19.8%, Sandbox 13.2%, FPS 13.2%, Immersive 12.1% ★
Why You'll Like It: Shares the systemic, physics-based, and quirky nature of Skin Deep by allowing players to inhabit various objects to solve problems.
- #4 Gloomwood
95% matchOverwhelmingly Positive95% of 8,226 reviews2022
Dev: Dillon RogersPub: New Blood Interactive
Windows
Median: 2.7 hrsMean: 7.0 hrs≥1hr: 68%
Trapped in a dark, Victorian city consumed by an ancient curse, you must plan your survival and daring escape using nothing but stealth, an arsenal of eccentric weapons, and your wit in this haunting adventure inspired by the immersive sims and survival horror greats of the late 90s and early 2000s.
Why similar: Stealth 30.1%, Immersive Sim 25.7%, FPS 17.9%, Shooter 7%, First-Person 6.6%
Why You'll Like It: An excellent stealth-focused immersive sim that emphasizes atmosphere and mechanical depth in a dark, reactive world.
- #5 Shadows of Doubt
94% matchVery Positive82% of 17,459 reviews2024
Dev: ColePowered GamesPub: Fireshine Games
Windows
Median: 5.4 hrsMean: 15.1 hrs≥1hr: 85%
Take on the role of a private investigator in this immersive detective simulator. Solve murders and other crimes in a procedurally generated and persistent city where every NPC lives and breathes their own independent lives. Find the killer quickly… or they will kill again!
Why similar: Immersive Sim 31.7%, Stealth 30.5%, Sandbox 21.5%, First-Person 7.6%, Atmospheric 2.8%
Why You'll Like It: Offers a deep, systemic, and non-linear sandbox experience where every room and citizen is fully simulated.
- #6 Void Bastards
94% matchVery Positive86% of 5,416 reviews2019
Dev: Blue Manchu
Windows · Mac
Median: 2.9 hrsMean: 7.6 hrs≥1hr: 69%
Inspired by BioShock and System Shock 2, Void Bastards is a revolutionary new strategy-shooter that will test your wits as well as exercise your aim. Can you lead the misfit prisoners of the Void Ark through the derelict spaceships and myriad dangers of the Sargasso Nebula?
Why similar: Stealth 22.7%, FPS 18.4%, Immersive Sim 18%, Space 11.1%, Shooter 9.6%
Why You'll Like It: Captures the space-faring, scavenging, and tactical shooter feel with a focus on managing resources in hostile environments.
- #7 Cruelty Squad
93% matchOverwhelmingly Positive96% of 24,218 reviews2021
Dev: Consumer Softproducts
Windows
Median: 2.8 hrsMean: 9.7 hrs≥1hr: 67%
An immersive power fantasy simulator with tactical stealth elements set in a sewage infused garbage world
Why similar: Immersive Sim 27.9%, FPS 25%, Stealth 20.9%, Shooter 10.1%, Tactical 7.1%
Why You'll Like It: Matches the surreal, experimental, and deeply systemic nature of Skin Deep's unconventional design.
- #8 Project Silverfish
92% matchVery Positive94% of 3,126 reviews2025
Dev: Siris Pendrake
Windows
Median: 10.1 hrsMean: 22.7 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: Immersive Sim 18.8%, FPS 17.1%, Stealth 15.3%, Sandbox 13.7%, Sci-fi 9.4%
Why You'll Like It: A strong modern entry in the immersive sim genre that emphasizes sandbox exploration and player-driven solutions.
- #9 Dishonored
91% matchOverwhelmingly Positive98% of 86,705 reviews2012
Dev: Arkane StudiosPub: Bethesda Softworks
Windows
Median: 9.3 hrsMean: 20.8 hrs≥1hr: 85%
Dishonored is an immersive first-person action game that casts you as a supernatural assassin driven by revenge. With Dishonored’s flexible combat system, creatively eliminate your targets as you combine the supernatural abilities, weapons and unusual gadgets at your disposal.
Why similar: Stealth 57.6%, First-Person 10.6%, Immersive Sim 9.5%, FPS 9.2%, Atmospheric 4.8%
Why You'll Like It: The masterclass in stealth-based immersive sim gameplay, rewarding creative use of powers and environmental traversal.
- #10 Deus Ex: Mankind Divided
91% matchMostly Positive76% of 42,053 reviews2016
Dev: Eidos MontrealPub: Eidos Interactive Corp.
Windows · Mac · Linux
Median: 5.7 hrsMean: 23.0 hrs≥1hr: 89%
You play as Adam Jensen, an experienced covert operative operating in a world that despises his kind: augmented humans. Choose from an arsenal of state-of-the-art weapons and augmentations to build your playstyle, and decide who you'll trust, to unravel a vast worldwide conspiracy.
Why similar: Stealth 33.3%, Immersive Sim 15.3%, FPS 12.2%, Sci-fi 12.2%, Futuristic 7.7%
Why You'll Like It: A quintessential sci-fi immersive sim that provides multiple paths to complete objectives through hacking, stealth, or combat.
- #11 Peripeteia
89% matchVery Positive86% of 3,182 reviews2025
Dev: Ninth Exodus
Windows
Median: 2.5 hrsMean: 6.3 hrs≥1hr: 70%
You are Marie, a cyborg mercenary dropped into the rot of a post-Soviet city of corruption and opportunity. Shoot, sneak, hack, climb or talk your way through alt-history cyberpunk Poland in an immersive sim where every problem has multiple solutions and every rooftop is reachable.
Why similar: Stealth 26%, Immersive Sim 23.6%, FPS 18.9%, Sci-fi 11.9%, Exploration 5.8%
Why You'll Like It: A gritty, cyberpunk-infused immersive sim with deep systems and a focus on non-linear objective completion.
- #12 Heat Signature
90% matchVery Positive95% of 7,388 reviews2017
Dev: Suspicious Developments
Windows
Median: 4.1 hrsMean: 10.4 hrs≥1hr: 84%
Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.
Why similar: Stealth 43.4%, Space 25.7%, Sci-fi 14.5%, Tactical 7.7%, Action 4.5%
Why You'll Like It: Shares the space-infiltration and systemic sandbox gameplay where you board ships to complete missions in creative ways.
- #13 Fortune's Run
89% matchVery Positive92% of 585 reviews2023
Dev: Team Fortune
Windows
Median: 2.4 hrsMean: 4.8 hrs≥1hr: 74%
Explore a decaying industrial world left behind in humanity's never-ending race to conquer the stars. Beneath its iron skies, desperate souls kill and steal for passage to the still-plentiful frontier worlds. Sink or swim in this high-octane first-person shooter with immersive sim elements.
Why similar: Immersive Sim 23.1%, Stealth 22.9%, FPS 20%, Sci-fi 14.4%, Shooter 5.6%
Why You'll Like It: Blends boomer-shooter speed with immersive sim mechanics in a dense, sci-fi world.
- #14 Filcher
88% matchVery Positive93% of 240 reviews2021
Dev: Johan HjärpePub: MythoLogic Interactive
Windows
Filcher is a first-person 2.5D noir stealth game. As Sporey the master thief, break into guarded buildings to steal from the wealthy and corrupt, using only your senses, your wits, and a handful of tools and gadgets.
Why similar: Stealth 44.2%, Immersive Sim 33.7%, First-Person 11.5%, Exploration 5.3%, Singleplayer 2.2%
Why You'll Like It: A pure stealth immersive sim that focuses on mechanical depth and rewarding the player for careful observation.
- #15 Hardspace: Shipbreaker
86% matchVery Positive89% of 22,140 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 24.0 hrs≥1hr: 86%
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Why similar: Space 30.7%, Sci-fi 24%, Sandbox 22.6%, Futuristic 10.5%, First-Person 8.8%
Why You'll Like It: Focuses on the tactile, systemic interaction with starship interiors, mirroring the hands-on feel of Skin Deep.
- #16 Selaco
86% matchVery Positive94% of 5,036 reviews2024
Dev: Altered Orbit Studios
Windows · Linux
Median: 3.3 hrsMean: 7.8 hrs≥1hr: 76%
Selaco is a brand new original shooter inspired by classics, featuring thrilling action set pieces, destructibility, smart enemies and a fleshed out story taking place within an immersive game world.
Why similar: FPS 29.8%, Sci-fi 16.1%, Shooter 15.1%, Futuristic 13.5%, First-Person 10.5%
Why You'll Like It: A high-quality shooter that emphasizes tactical movement, environmental destruction, and smart enemy AI.
- #17 E.Y.E: Divine Cybermancy
87% matchVery Positive84% of 8,001 reviews2011
Dev: Streum On Studio
Windows
Median: 4.6 hrsMean: 9.9 hrs≥1hr: 83%
In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG.
Why similar: FPS 41%, Immersive Sim 17.4%, Sci-fi 11.7%, Stealth 8.4%, First-Person 5.6%
Why You'll Like It: A highly complex, systemic, and bizarre sci-fi immersive sim that offers immense freedom in how you approach combat and movement.
- #18 Alien: Isolation
85% matchVery Positive93% of 65,975 reviews2014
Dev: Creative AssemblyPub: SEGA
Windows · Mac · Linux
Median: 4.8 hrsMean: 17.0 hrs≥1hr: 82%
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
Why similar: Stealth 32.6%, Sci-fi 18.6%, Space 17.1%, First-Person 9.1%, FPS 7.6%
Why You'll Like It: Provides the intense, stealth-heavy exploration of a derelict space station where every sound matters.
- #19 PIGFACE
82% matchOverwhelmingly Positive97% of 2,414 reviews2025
Dev: titolovesyouPub: DreadXP
Windows
Median: 1.9 hrsMean: 3.0 hrs≥1hr: 71%
You wake up with an explosive headache in a pool of your own blood. You're Exit, a terrible woman whose awful past has finally caught up to her. Fulfill contracts for the people who drilled into your skull — guns-blazing, slow and tactical — it doesn’t matter. They know you’ll do whatever it takes.
Why similar: Immersive Sim 26.7%, FPS 25.2%, Shooter 14.4%, Tactical 10.7%, First-Person 9.5%
Why You'll Like It: A fast-paced, immersive-sim-adjacent shooter with a distinct aesthetic and focus on chaotic combat.
- #20 G String
84% matchVery Positive84% of 1,269 reviews2020
Dev: Eyaura
Windows
Median: 3.7 hrsMean: 7.6 hrs≥1hr: 76%
Slip into the Standard Issue Biosuit as Myo Hyori, a gifted Korean teenage girl who must face the perils of the future. Survive many hazards, explore a seemingly endless metropolis and beyond as the world around you implodes and history marches towards its inevitable conclusion.
Why similar: FPS 21.5%, Sci-fi 14.1%, Immersive 11.7% ★, Action 9.3%, Futuristic 8.8%
Why You'll Like It: A surreal, atmospheric sci-fi shooter that shares the experimental and gritty qualities of the genre.
- #21 Receiver 2
83% matchVery Positive91% of 3,040 reviews2020
Dev: Wolfire Games
Windows · Mac · Linux
Median: 6.1 hrsMean: 15.9 hrs≥1hr: 89%
Receiver 2 simulates every internal part of each firearm based on manufacturer schematics and gunsmithing resources. Learn exactly how each sidearm works, including how to load and unload them, clear malfunctions, and operate their safety features.
Why similar: FPS 38.7%, Shooter 19.2%, First-Person 13.3%, Stealth 13.1%, Atmospheric 8%
Why You'll Like It: Focuses on hyper-realistic gun mechanics and systemic survival, requiring players to master every aspect of their equipment.
- #22 NEON STRUCT
84% matchVery Positive83% of 368 reviews2015
Dev: Minor Key Games
Windows · Linux
Median: 3.5 hrsMean: 4.2 hrs≥1hr: 85%
You are Jillian Cleary: an ex-spy on the run, framed for treason and hunted by your former agency. You must move in secret, survive off the grid, and find a way to clear your name. Old friends and new allies will lend their support; but with the eyes of the world upon you, who can you trust?
Why similar: Stealth 48.9%, Immersive Sim 27.4%, First-Person 10.7%, Action 3.7%, Female Protagonist 3.4%
Why You'll Like It: A minimalist but deep stealth-based immersive sim that rewards players for finding creative routes through secure facilities.
- #23 Ambrosia Sky
81% matchVery Positive92% of 225 reviews2025
Dev: Soft Rains
Windows
You left. Now they’re dead. Ambrosia Sky is an immersive sim about exploring an asteroid colony devastated by an unknown contamination. Survive and harvest strains of hostile alien fungi, explore treacherous environments, and find meaning and beauty in so much death—the first of two acts out now.
Why similar: Immersive Sim 28.8%, Space 19.2%, Sci-fi 17.4%, First-Person 10%, Exploration 9.9%
Why You'll Like It: A narrative-driven immersive sim with a strong focus on exploration and atmospheric world-building.
- #24 Wrought Flesh
82% matchMostly Positive74% of 811 reviews2021
Dev: MizizizizPub: Deep Root Interactive
Windows · Mac · Linux
Median: 1.4 hrsMean: 2.4 hrs≥1hr: 59%
Rip out organs and equip them in your own body. Fight biopunk monsters and drugged-up space bandits. You are a Gajeshian Cultist: A near-mythological being built from the bodies of long-dead saints.
Why similar: FPS 35.7%, Futuristic 15.9%, Exploration 11.2%, Shooter 10.8%, Violent 8.4%
Why You'll Like It: A weird, systemic shooter that shares the experimental and body-horror nature of Skin Deep.
- #25 High Entropy: Challenges
81% 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: Stealth 28.2%, Immersive Sim 26.9%, FPS 17.9%, First-Person 9.3%, Sci-fi 8%
Why You'll Like It: A challenging, physics-based immersive sim experience that tests your ability to manipulate the environment.
- #26 Viscerafest
79% matchVery Positive85% of 702 reviews2025
Dev: Acid Man GamesPub: Fulqrum Publishing
Windows · Linux
Median: 1.1 hrsMean: 5.1 hrs≥1hr: 54%
Viscerafest is a Sci-Fi Fantasy Singleplayer Arena FPS with minor Collectathon elements. Fight through hordes of aliens and eldritch monstrosities wielding a slew of powerful weapons, juggling your resources, and exploring over 23 intricately designed hand-crafted levels.
Why similar: FPS 29.4%, Shooter 19.4%, First-Person 14%, Sci-fi 13.5%, Exploration 7.7%
Why You'll Like It: A high-energy shooter that rewards creative movement and environmental awareness in a retro-inspired setting.
- #27 Metal Garden
77% matchOverwhelmingly Positive97% of 3,966 reviews2025
Dev: Tinerasoft
Windows
Median: 1.9 hrsMean: 2.2 hrs≥1hr: 75%
Travel through an overgrown megastructure, and discover what lies beyond it. Metal Garden is a short, atmospheric singleplayer FPS game.
Why similar: FPS 22.7%, Immersive 21.2% ★, Sci-fi 14.9%, Shooter 8.4%, Futuristic 7.5%
- #28 Syndrome
80% matchMixed64% of 367 reviews2016
Dev: Camel 101
Windows · Mac
Median: 4.2 hrsMean: 5.6 hrs≥1hr: 94%
Syndrome, a sci-fi survival horror game that places you in a living hell inside a doomed starship. Find out what happened to your lost crew. Run. Hide. Fight. Survive.
Why similar: Stealth 26.4%, FPS 16.6%, Space 13.3%, Sci-fi 11.5%, Shooter 8.9%
Why You'll Like It: A sci-fi horror shooter that emphasizes stealth and resource management while trapped on a space vessel.
- #29 Blood Facsimile
76% matchVery Positive98% of 54 reviews2026
Dev: Rene McCarthy
Windows
An immersive FPS adventure set in a dark and surreal sci-fi world
Why similar: Stealth 24.9%, Immersive Sim 24.1%, FPS 23.7%, Shooter 8.2%, Sci-fi 5%
- #30 CORPUS EDAX
77% matchMostly Positive77% of 276 reviews2024
Dev: Luis G. Bento
Windows
An immersive first-person-melee RPG where you create your character and fight, talk or sneak your way out of confrontation. From concrete buildings to futuristic environments - start from the bottom and make your way through narrative missions to the top of the city in a bid for control.
Why similar: Immersive Sim 30%, Stealth 14.4%, Immersive 14.1% ★, First-Person 10%, Sci-fi 9.7%
- #31 The Signal From Tölva
78% matchMixed68% of 1,115 reviews2017
Dev: Big Robot Ltd
Windows · Mac · Linux
Median: 3.0 hrsMean: 4.2 hrs≥1hr: 84%
The Signal From Tölva is an open-world first-person shooter set on a distant, haunted, future world. Unlock savage weapons and recruit robots to fight alongside you as rival factions struggle to discover the source of the mysterious signal. What you discover will decide the fate of a world.
Why similar: FPS 27.3%, Sci-fi 16.9%, Stealth 9.1%, Exploration 7.9%, Shooter 7.5%
Why You'll Like It: An atmospheric, open-world sci-fi game that features systemic combat and exploration in a mysterious landscape.
- #32 Brush Burial: Gutter World
74% matchVery Positive94% of 824 reviews2025
Dev: Knife Demon Software
Windows
Median: 1.4 hrsMean: 2.3 hrs≥1hr: 60%
A murky first-person immersive sim with tightly-wound melee combat and tangled, vertical levels to explore. Use your forked tail to tie your enemies in knots and climb impossible heights. Kill your mark with quickness and cunning, using whatever tools you see fit.
Why similar: Stealth 26.6%, Immersive Sim 23.6%, FPS 17.1%, Shooter 10.9%, Exploration 7.4%
- #33 CRUSH DEPTH
75% matchVery Positive98% of 66 reviews2025
Dev: Earth Giant
Windows
CRUSH DEPTH is first-person sci-fi horror game set at the bottom of the ocean. A salvage operation that would set you up for life goes sideways when you realize you're not alone down there. You'll solve puzzles and run from danger as you uncover the mysterious fate of Eclipse Station.
Why similar: Sci-fi 36.9%, Exploration 19.9%, First-Person 18.5%, Atmospheric 7.7%, Action 6.9%
- #34 Otherskin
74% matchMostly Positive76% of 92 reviews2025
Dev: Game AtelierPub: FDG Entertainment
Windows
Embark on a deadly solo mission to uncover Vandermire’s secrets. Absorb alien morphs to evolve beyond human limits. Guided by your AI suit, explore alien biomes, master unique abilities, and fight to survive in a stunning action adventure. The universe is at stake.
Why similar: Sci-fi 33.8%, Shooter 21.9%, Exploration 18%, Action 9.1%, Atmospheric 8.4%
- #35 House of the Dying Sun
75% matchVery Positive90% of 2,034 reviews2016
Dev: Marauder Interactive, LLC
Windows
Median: 1.0 hrsMean: 2.6 hrs≥1hr: 50%
House of the Dying Sun is a tactical space shooter that puts you in the cockpit of the universe's most terrifying starfighter. Hunt the enemies of the Empire and bring ruin to their people.
Why similar: Space 39.2%, Sci-fi 18%, Shooter 12.6%, Action 10.2%, Tactical 7.4%
- #36 Transience
73% matchMixed70% of 761 reviews2025
Dev: RESURGENT
Windows
Become an Accountant - a hired mercenary who keeps the books balanced by any means necessary. This time though, you are the intended target. Take a journey through New Houston in the year 2056 and follow one man's tale of revenge as he escapes Transience.
Why similar: Stealth 25.9%, FPS 25.2%, Shooter 12.5%, Tactical 11.5%, Futuristic 9%
- #37 System Shock 2: 25th Anniversary Remaster
72% matchVery Positive87% of 2,172 reviews2025
Dev: Nightdive Studios
Windows
Median: 3.7 hrsMean: 9.4 hrs≥1hr: 72%
System Shock® 2: 25th Anniversary Remaster is a genre defining experience that established innovative game-play mechanics that are a staple of the FPS and RPG genre today. Survive the wretched corridors of the Von Braun. Your training has prepared you for this.
Why similar: Immersive Sim 30.6%, FPS 25.3%, Sci-fi 16.2%, Shooter 10.4%, Atmospheric 5.3%
- #38 ROOT
76% matchMostly Positive76% of 208 reviews2015
Dev: Skunkape Interactive
Windows · Mac · Linux
Median: 4.1 hrsMean: 5.0 hrs≥1hr: 94%
ROOT is a cyber espionage themed hardcore stealth FPS that lets you play it how you want: whether creeping along corridors undetected or bursting into rooms to blow away all adversaries. Cyber terrorism is a dangerous profession, and risks have real consequences.
Why similar: Stealth 35.6%, FPS 23.4%, Shooter 10.9%, Action 9.8%, Sci-fi 9%
- #39 SCORCH
73% matchVery Positive84% of 157 reviews2021
Dev: Accidentally Games
Windows
SCORCH is a noir-inspired stealth, first-person shooter. Takedown thugs as you try to break away from your former life. Stalk the shadows, gather evidence, and get out of town. SCORCH is first and foremost a stealth game before it is a shooter.
Why similar: Stealth 45.8%, FPS 29.1%, Shooter 11.7%, First-Person 6.7%, Action 5%
- #40 Intravenous
71% matchVery Positive90% of 5,509 reviews2021
Dev: Explosive Squat GamesPub: HypeTrain Digital
Windows
Median: 1.3 hrsMean: 7.8 hrs≥1hr: 54%
Teeth-clenching stealth, followed by tactical hardcore gunplay for those not looking for a quiet way in. Intravenous redefines challenging stealth-action and will keep you on the edge of your seat!
Why similar: Stealth 48.1%, Tactical 21.1%, Immersive Sim 13.8%, Shooter 6.3%, Violent 3.5%
- #41 Starship Troopers: Ultimate Bug War!
69% matchVery Positive93% of 1,357 reviews2026
Dev: Auroch DigitalPub: Dotemu
Windows
Median: 3.4 hrsMean: 10.6 hrs≥1hr: 82%
Lock and load into the Starship Troopers universe and join the Mobile Infantry in the most realistic depiction of war ever made! Experience an original story in this action-packed, first-person retro shooter. Would you like to know more?
Why similar: Sci-fi 25.8%, FPS 18%, Shooter 12.8%, Space 12.2%, Futuristic 9.9%
- #42 Receiver
73% matchMostly Positive80% of 4,172 reviews2013
Dev: Wolfire Games
Windows · Mac · Linux
Median: 18 minMean: 1.9 hrs≥1hr: 27%
Receiver was created for the 7-day FPS challenge to explore gun handling mechanics, randomized levels, and unordered storytelling. Armed only with a handgun and an audio cassette player, you must uncover the secrets of the Mindkill in a building complex infested with automated turrets and hovering shock drones.
Why similar: FPS 48.2%, First-Person 12.9%, Shooter 9.9%, Stealth 8.4%, Tactical 5.7%
- #43 ADACA
71% matchVery Positive91% of 891 reviews2022
Dev: Siris Pendrake
Windows
Median: 3.0 hrsMean: 6.9 hrs≥1hr: 78%
A Sci-fi FPS set on the mysterious planet ADACA. - Use your GRAVITY-MANIPULATING arm to HURL objects at your foes or even RIP weapons directly from their hands! - EXPLORE and manipulate the environment in this EERIE and HOSTILE world!
Why similar: FPS 33.3%, Sci-fi 16.4%, Shooter 13.9%, Exploration 11.1%, First-Person 7.6%
- #44 SCP: Fragmented Minds
69% matchVery Positive91% of 1,350 reviews2025
Dev: HST StudiosPub: indie.io
Windows
Median: 2.1 hrsMean: 3.0 hrs≥1hr: 75%
You arrive at Mars Site-113, a decaying monument to the SCP Foundation's ambition—and its failures. Once the most secure facility, now a cradle of horrors calling you to uncover its secrets. Face relentless anomalies, humanity's darkest truths, and a mission that demands survival above all else.
Why similar: Stealth 23.9%, FPS 18.7%, Space 13.5%, Sci-fi 12%, Shooter 9.6%
- #45 Angels Fall First
72% matchVery Positive82% of 2,887 reviews2015
Dev: Strangely Interactive Ltd
Windows
Median: 1.6 hrsMean: 5.8 hrs≥1hr: 62%
From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever loved in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full Bot support included!
Why similar: FPS 28.5%, Space 20.2%, Sci-fi 18.6%, Tactical 7.3%, First-Person 6.3%
- #46 Swirl W@tch
70% matchVery Positive100% of 59 reviews2023
Dev: Sleeper Games
Windows · Linux
Swirl W@tch is a tense stealth-action roguelite that takes place on an over-exploited gas giant. Infiltrate industrial installations, evade or eliminate guard ships, commit corporate sabotage and grow the movement to unlock new gear. Can your actions free this otherworldly world?
Why similar: Stealth 31.1%, Immersive Sim 21.6%, Sci-fi 13.6%, Space 12.7%, Tactical 12%
- #47 Tiny Treats
67% matchVery Positive97% of 58 reviews2026
Dev: Hans Woofington
Windows · Linux
Tiny Treats is a tense first-person stealth platformer where you are only a few inches tall! Sneak and climb your way around varied environments, solve puzzles and avoid being seen by the normal-sized people! Who knows what could happen when they see you...
Why similar: Immersive Sim 26.9%, Stealth 20.2%, Exploration 11%, Futuristic 9.5%, Action 9.5%
- #48 Scavenger SV-4
70% matchVery Positive91% of 626 reviews2018
Dev: Deric RuhlPub: HoroArch
Windows
Median: 1.4 hrsMean: 3.7 hrs≥1hr: 63%
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
Why similar: Space 33.9%, Sci-fi 22.6%, Exploration 11.2%, First-Person 11.1%, Atmospheric 7.2%
- #49 Hidden Deep
69% matchMostly Positive76% of 5,045 reviews2022
Dev: Cogwheel SoftwarePub: Daedalic Entertainment
Windows
Median: 2.6 hrsMean: 5.2 hrs≥1hr: 77%
Hidden Deep is an atmospheric sci-fi action game heavily inspired by Aliens, The Thing, and Half-Life. Explore, climb, swim, scan, blast and shoot your way through dangerous missions in a huge sub oceanic mining and research facility. Fear the horrors that lurk below…
Why similar: Shooter 36.8%, Sci-fi 31.7%, Exploration 17.8%, Action 10%, Singleplayer 3.6%
- #50 Brush Burial
68% matchVery Positive88% of 273 reviews2023
Dev: Knife Demon Software
Windows
Median: 48 minMean: 1.5 hrs≥1hr: 43%
A lo-fidelity First Person Snatcher inspired by the immersive sims of yesteryear. Play as Fennel, a knife-wielding swamp devil with an eye for gold and a penchant for violence. Use your tail to toy with your prey: grab and fling objects, climb impossible heights, and knock your enemies off balance.
Why similar: Stealth 35.4%, Immersive Sim 30.7%, Exploration 10.5%, First-Person 8.7%, Atmospheric 6.7%
- #51 Interstellar Marines
71% matchMixed54% of 7,876 reviews2013
Dev: Zero Point Software
Windows · Mac · Linux
Median: 48 minMean: 6.8 hrs≥1hr: 45%
UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.
Why similar: FPS 29.1%, Tactical 17.9%, Sci-fi 15.2%, Shooter 10%, Space 6.3%
- #52 Blood West
66% matchVery Positive90% of 6,506 reviews2023
Dev: HyperstrangePub: New Blood Interactive
Windows
Median: 4.9 hrsMean: 12.0 hrs≥1hr: 80%
Weird west legends meet eldritch horror in BLOOD WEST, an immersive stealth FPS. Become the Undead Gunslinger, doomed to roam the barren lands until he manages to purge their curse, freeing his soul. 3 varied scenarios, perk-based character progression, and 20+ hours of gameplay await you!
Why similar: Stealth 30.7%, FPS 25.3%, Immersive Sim 22%, Shooter 9.7%, First-Person 8%
- #53 Star Horizon
70% matchMixed60% of 150 reviews2015
Dev: Orbital Knight
Windows · Mac · Linux
Median: 3.6 hrsMean: 3.9 hrs≥1hr: 93%
Experience fast action, thrilling levels, spectacular explosions and lots of pew-pew-pew. Star Horizon is a reboot for the on-rails space shooter genre.
Why similar: Space 24.4%, Sci-fi 17.9%, FPS 15.5%, Sandbox 13.8%, Futuristic 10.5%
- #54 Psycho Patrol R
65% matchVery Positive88% of 2,158 reviews2025
Dev: Consumer Softproducts
Windows
Median: 2.7 hrsMean: 9.9 hrs≥1hr: 70%
FPS/mecha hybrid europolice sim with emphasis on interacting with NPCs and different gameplay systems.
Why similar: Stealth 25.8%, Immersive Sim 25%, FPS 22.7%, Tactical 10.9%, Shooter 8.8%
- #55 Lust Effect [18+]
66% matchMixed67% of 130 reviews2025
Dev: Dirty Adventures 🖤
Windows
Lust Effect [18+] is a first-person shooter with adult content. Explore a space station overrun by xenomorphs, manage resources, uncover spicy memories, and fight for survival in a mix of horror, sci-fi, and lust.
Why similar: FPS 24.2%, Space 19.3%, Sci-fi 17.1%, Futuristic 14.3%, Shooter 13.4%
- #56 HOLE
64% matchVery Positive94% of 3,730 reviews2024
Dev: NEGAFISH
Windows
Median: 3.3 hrsMean: 4.4 hrs≥1hr: 76%
Casual & Hard FPS. Be careful with jam.
Why similar: FPS 52%, Shooter 13.2%, First-Person 10%, Atmospheric 8.6%, Action 5.5%
- #57 Spirits of Xanadu
68% matchMostly Positive79% of 477 reviews2015
Dev: Good Morning, CommanderPub: Nightdive Studios
Windows · Mac · Linux
Median: 3.6 hrsMean: 4.1 hrs≥1hr: 93%
At the farthest edge of the explored universe, the research ship Xanadu slumbers in orbit around a mysterious planet. Her systems remain active but there has been no message from her crew for months. Now a lone operative has been sent to wake the Xanadu and bring her home to Earth.
Why similar: Immersive Sim 20.2%, FPS 18%, Space 14.7%, Sci-fi 12.9%, Shooter 8%
- #58 Deep Sixed
68% matchVery Positive84% of 105 reviews2018
Dev: LRDGames, Inc.
Windows · Mac · Linux
Deep Sixed is a roguelike space sim that will force you to use strategy, ingenuity and duct tape to keep your ship (and your skull) in one piece as you risk exploring a mysterious nebula protected by dangerous alien creatures.
Why similar: Space 33.3%, Sci-fi 23.1%, Action 20.1%, Indie 8%, Atmospheric 7.8%