- #1 Space of Darkness
97% matchMixed48% of 134 reviews2018
Dev: PilotLumpa Gaming
Windows
Median: 18 minMean: 3.0 hrs≥1hr: 19%
Space of Darkness tells the story of a mechanic who works on a space station. The mechanic is alone on the ship for a few months. One day the power suddenly cuts off. He soon finds himself alone in the dark corridors of a space station. Can you unearth what truly happened on the space station?
Why similar: Action 37.1%, Adventure 36.2%, Indie 26.6%
- #2 ALONE IN SPACE
96% matchMixed53% of 158 reviews2016
Dev: Butterflyware
Windows · Mac · Linux
Experience an immersive sci-fi adventure. Walk in the footsteps of the ill-fated crew members of the Miranda station. Explore a world cloaked in mystery and danger, solve clever puzzles to help discover the questions that...
Why similar: Adventure 61.6%, Action 20.3%, Indie 18%
- #3 Moon Mystery
95% matchMixed66% of 685 reviews2024
Dev: CosmoscoutsPub: indie.io
Windows
Median: 2.9 hrsMean: 5.7 hrs≥1hr: 73%
The Moon's haunted - and when an astronaut loses contact with Earth, the adventure begins in full. Fill up your oxygen, load up the guns, and set out on an interstellar FPS adventure across the stars, filled with puzzles, fights, exploration, and strange secrets of the universe.
Why similar: Adventure 59.9%, Action 40.1%
- #4 Deep Space
94% matchMixed57% of 149 reviews2020
Dev: Axe GamesPub: Enoops
Windows
You are entrusted with the role of one of the elite captains, put on a high-tech mech suit suitable for travel into space and go on an exciting journey.
Why similar: Action 63.4%, Adventure 21%, Indie 15.6%
- #5 Alpha Prime
94% 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: Action 100%
- #6 Darwin's Test
93% matchMostly Positive73% of 73 reviews2018
Dev: Wolfalone Studio
Windows
Darwin’s Test is a first-person action and puzzle game that immerses you into a futuristic universe. You play as an amnesic patient following an experimental care protocol. Who are you ? Where are you ? So many questions to solve to discover the truth !
Why similar: Action 36.2%, Adventure 35.4%, Indie 28.4%
- #7 Project Pulsation
92% matchMixed71% of 377 reviews2015
Dev: VGstudio
Windows
Median: 4.9 hrsMean: 5.8 hrs≥1hr: 99%
Project Pulsation - a sci-fi first person shooter with elements of horror and stealth. The distant space station 'Complex' located nearby Thanatos Asteroid keeps a valuable Artifact. Fight your way through turrets, unknown creatures and mysterious ghosts, survive and try to get back.
Why similar: Action 74.3%, Adventure 25.7%
- #8 Alien Attack
91% matchMostly Positive77% of 241 reviews2016
Dev: Alien Jellyfish
Windows
Median: 3.8 hrsMean: 5.8 hrs≥1hr: 97%
You are a space trooper. Your crew finished the cleaning mission and left you alone by accident. Now you are surrounded by aliens. Persist them as long as you can.
Why similar: Action 41.8%, Adventure 30.5%, Indie 27.8%
- #9 Chernobyl Trap
91% matchMostly Positive75% of 107 reviews2022
Dev: ZERO5GAMES
Windows · Linux
You are survived pilot of fallen helicopter. Your mission is simple: go to evacuation point. But can you do it and not die?
Why similar: Adventure 45.2%, Action 44.3%, Indie 10.6%
- #10 Hard Light Vector
90% matchMostly Positive79% of 57 reviews2019
Dev: Actually A Game Company, L.L.C
Windows
Hard Light Vector is a first-person action platformer where you traverse an alien environment and fight to protect the memories of the dead from corruption.
Why similar: Action 37.8%, Adventure 34.3%, Indie 27.9%
- #11 Perilous Warp
89% matchMostly Positive74% of 373 reviews2020
Dev: Crystice Softworks
Windows · Mac · Linux
Median: 2.2 hrsMean: 4.4 hrs≥1hr: 70%
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: Action 57.9%, Indie 42.1%
- #12 Neospace: Prologue
86% matchVery Positive90% of 59 reviews2024
Dev: DreamStudios
Windows
You wake up in a spaceship, you realize that strange things are going on there, you try to get back to civilization. However, this is harder than you think, the encounters will drive you crazy and you will doubt yourself.
Why similar: Adventure 90.8%, Indie 9.2%
- #13 LOST ORBIT
89% matchVery Positive94% of 54 reviews2015
Dev: PixelNAUTS
Windows · Mac · Linux
Median: 3.1 hrsMean: 4.1 hrs≥1hr: 88%
Stranded after his ship is destroyed in deep space, Harrison, a lowly maintenance worker and our hero, must struggle to find his way home... Dodge, boost and die your way through space! Explore 4 solar systems with a surly robot sidekick in this deep and deadly dodge 'em up!
Why similar: Action 45.9%, Indie 33.9%, Adventure 20.2%
- #14 Notrium
88% matchVery Positive94% of 72 reviews2015
Dev: Ville Mönkkönen
Windows
Median: 12 minMean: 8.1 hrs≥1hr: 36%
You have crash-landed on Notrium. Your food supplies are running low, and a pack of predatory aliens have your scent. You're out of bullets for your pistol, your only weapon a handful of rocks. A freezing night is setting in, and you are desperately looking for firewood. Can you survive?
Why similar: Action 40.7%, Adventure 34%, Indie 25.3%
- #15 Shoottera
87% matchMixed40% of 60 reviews2018
Dev: RussianDEVPub: azimuth team
Windows
Median: 6 minMean: 24.3 hrs≥1hr: 25%
Shooter with the elements of the quest. You need to get out of the lab, killing all the enemies.
Why similar: Action 37.2%, Adventure 35.3%, Indie 27.5%
- #16 Syndrome
86% matchMixed64% of 361 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: Action 58.8%, Adventure 41.2%
- #17 Intrepid
85% matchMixed50% of 114 reviews2018
Dev: Miskatonic Studio
Windows · Mac · Linux
You wake up in your cryo-pod. Other crew members are dead. Something is wrong with the spaceship and if you don't use all your wits, you will not leave this place alive...
Why similar: Adventure 56.2%, Indie 43.8%
- #18 Haywire on Fuel Station Zeta
84% matchMostly Positive94% of 130 reviews2015
Dev: Mad Goblin Games
Windows
Median: 4.1 hrsMean: 4.5 hrs≥1hr: 98%
Something has gone horribly wrong on fuel station Zeta. All of the robots have gone haywire. It is up to you, a lone maintenance bot, to help a friendly space traveler fuel up his ship and get home. Explore your way through a dangerous labyrinth of traps and hostile robots.
Why similar: Adventure 58.2%, Indie 41.8%
- #19 Exophobia
81% matchVery Positive88% of 136 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: Adventure 100%
- #20 Intrude
84% 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: Action 59.5%, Indie 40.5%
- #21 Project Hive
82% matchMostly Positive75% of 67 reviews2021
Dev: Class of 2019-2020Pub: Campus ADN
Windows
Project Hive is a third-person shooter game in which you play as Alexei, a survivor stranded in the destroyed mining facility Hive on the planet Proxima. His quest will lead him through the dark secrets of Talium Industries.
Why similar: Action 78.3%, Indie 21.7%
- #22 ICARUS.1
82% matchMixed69% of 67 reviews2016
Dev: electrolyte
Windows
The ICARUS.1 Abandoned for decades, crew M.I.A.
Why similar: Action 56.7%, Indie 43.3%
- #23 Infinitum
81% matchMixed81% of 312 reviews2017
Dev: VGstudio
Windows
Median: 4.6 hrsMean: 6.0 hrs≥1hr: 98%
Travel through space. Attend the planets. Gather resources. Find artifacts.
Why similar: Action 52.6%, Adventure 25.8%, Indie 21.6%
- #24 Deliver Us The Moon
78% matchVery Positive88% of 9,052 reviews2019
Dev: KeokeN InteractivePub: Wired Productions
Windows
Median: 4.4 hrsMean: 5.5 hrs≥1hr: 89%
The Moon has gone dark, cutting off Earth’s last source of energy. As a lone astronaut, you’ll explore abandoned lunar bases, solve intricate puzzles, and navigate stunning zero-gravity environments. Operate advanced vehicles, uncover hidden truths, and survive in this gripping sci-fi thriller.
Why similar: Adventure 41.8%, Action 30.9%, Indie 27.3%
- #25 PANIC STATION
80% matchMixed41% of 51 reviews2020
Dev: Forest Games
Windows
After exploring the new planet, the space crew became infected with an unknown virus. After a long epidemic, the space station plunged into chaos. Various mutations took place with the crew of the ship, which clouded their minds. Make your way to the rescue shuttle through the mysterious danger.
Why similar: Action 63.9%, Adventure 19.8%, Indie 16.3%
- #26 Boiling Steel
78% matchVery Positive82% of 380 reviews2020
Dev: MIROWIN
Windows
"Boiling Steel" - is a sci-fi story-based FPS VR shooter. You are one of many who set off in search of a better life in the distant bastion of scientific progress. Immerse yourself in the thick of events and witness the inexplicable global cataclysm.
Why similar: Action 41.4%, Adventure 35.9%, Indie 22.8%
- #27 Spirits of Xanadu
79% matchMostly Positive79% of 473 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: Adventure 36.7%, Action 36%, Indie 27.2%
- #28 CRABS MUST DIE!
75% matchVery Positive83% of 66 reviews2025
Dev: Roman Kharlamov
Windows
You've crash-landed on a forgotten planet and must survive in a hostile open world filled with mutated crabs and other enemies. Armed with weapons, a beat-up bike, and a few skills, you'll explore, fight, scavenge, and level up. A compact open-world shooter with light RPG and survival elements.
Why similar: Action 53.4%, Adventure 46.6%
- #29 The Station
77% matchVery Positive86% of 1,108 reviews2018
Dev: The Station Game ltd
Windows · Mac · Linux
Median: 2.4 hrsMean: 3.8 hrs≥1hr: 85%
The Station is a first-person sci-fi mystery set on a space station sent to study a sentient alien civilization. Assuming the role of a recon specialist, players must unravel a mystery which will decide the fate of two civilizations.
Why similar: Adventure 54.9%, Indie 45.1%
- #30 Hostile Planet: Survival
76% matchMixed65% of 99 reviews2022
Dev: Aliens Developers
Windows
Hostile Planet: Survival is a harsh adventure on an uncharted planet that full of danger and trials.
Why similar: Action 50.3%, Adventure 49.7%
- #31 Caffeine
79% matchVery Negative19% of 53 reviews2015
Dev: Incandescent Imaging
Windows · Mac · Linux
Median: 24 minMean: 5.7 hrs≥1hr: 31%
Caffeine is a quirky first person adventure game with environmental puzzles and a dab of psychological horror. You awaken aboard one of these caffeine mining stations alone. Before long you realize that you are a young boy with no memory of what has transpired on this seemingly empty space station.
Why similar: Adventure 57.6%, Indie 42.4%
- #32 Ghost Stories
76% matchMostly Positive70% of 84 reviews2019
Dev: AK Studio
Windows
You find yourself in a deserted territory of a country house, and when you try to get out, understand that it's impossible. One on one with ghosts and your task is to survive and only then to figure out what happened here...
Why similar: Adventure 36.3%, Action 36.1%, Indie 27.5%
- #33 Psi Project
77% matchMixed40% of 155 reviews2017
Dev: Vyacheslav ShilikhinPub: Conglomerate 5
Windows
Median: 6 minMean: 7.2 hrs≥1hr: 29%
Psi Project is a hardcore 2D shooter with elements of horror. The main character wakes up in an unknown place. Absolutely remembers nothing. Who he is and how he got here. Throughout search of answers he is strongly plagued by different kinds of hallucinations.
Why similar: Action 37.7%, Adventure 33.6%, Indie 28.7%
- #34 ASTRONAUTILUS
74% matchVery Positive95% of 61 reviews2022
Dev: neozoid.games
Windows
Your ship has crash-landed on a stray rogue planet, and you're out of fuel... It's up to you to delve beneath the frozen surface and find a way to get your ship back into space while fighting strange sea creatures and uncovering the mysteries of the world beneath the ice!
Why similar: Action 73.8%, Indie 26.2%
- #35 Metal Garden
68% matchOverwhelmingly Positive97% of 3,094 reviews2025
Dev: Tinerasoft
Windows
Median: 1.7 hrsMean: 2.1 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: Action 40.4%, Adventure 35.1%, Indie 24.5%
- #36 Escape From Tethys
74% matchMixed69% of 457 reviews2018
Dev: Whimsical
Windows · Mac
You're trapped, alone and cold on a distant planet. Pursued by a droid with only one purpose: killing everything. You must find an escape. Explore the hostile environment, find secret upgrades and new weapons, and finally make your escape from this dark, hostile planet...
Why similar: Action 100%
- #37 ROUTINE
67% matchVery Positive93% of 6,281 reviews2025
Dev: Lunar SoftwarePub: Raw Fury
Windows
Median: 3.8 hrsMean: 4.9 hrs≥1hr: 80%
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.
Why similar: Adventure 53.8%, Action 46.2%
- #38 De-Void
75% matchMixed63% of 144 reviews2016
Dev: Playstige Interactive
Windows
Median: 3.9 hrsMean: 4.2 hrs≥1hr: 96%
De-Void is a first-person adventure game, where the player unravels the mysterious circumstances surrounding the disappearance of a remote space colony crew.
Why similar: Adventure 58.2%, Indie 41.8%
- #39 Lethe - Episode One
73% matchVery Positive85% of 398 reviews2016
Dev: KoukouStudiosPub: Faber Interactive
Windows
Median: 3.5 hrsMean: 4.3 hrs≥1hr: 94%
Lethe is a first person adventure with survival horror elements. Explore an atmospheric and frightening world and uncover the dark secrets of your origins.
Why similar: Action 36.5%, Adventure 36.5%, Indie 27%
- #40 HYPERVIOLENT
69% matchMixed61% of 492 reviews2025
Dev: nfoPRINCEPub: Fulqrum Publishing
Windows
Median: 2.8 hrsMean: 6.4 hrs≥1hr: 81%
An ancient evil has awoken in the depths of a remote mining asteroid, stirred from its slumber by man's lust for power. Unaware, you answer a distress call and become stranded, surrounded by monstrous foes. Unravel the mystery of this madness and stop its spread in this horror retro shooter!
Why similar: Action 100%
- #41 Project Mercury
73% matchMixed58% of 587 reviews2017
Dev: Raxasoft Games
Windows
Median: 6 minMean: 9.3 hrs≥1hr: 24%
Make your way on foot, on a hoverbike, up skyscrapers, and down bottomless pits, as you exterminate a threat of unknown origin!
Why similar: Action 58.9%, Indie 41.1%
- #42 Remoteness
71% 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: Adventure 52.2%, Action 47.8%
- #43 The Artifact
73% matchMixed64% of 213 reviews2017
Dev: Colin WrenPub: Enigma Games LTD
Windows
Median: 3.0 hrsMean: 3.5 hrs≥1hr: 83%
Woken from a hypersleep, you find yourself alone on a drifting star cruiser, light years from home. The crew has disappeared, leaving behind nothing but a few scattered records and a strange artifact that seems to hold the key to an alien civilisation.
Why similar: Indie 67.8%, Adventure 32.2%
- #44 Fracked
71% matchMixed67% of 82 reviews2022
Dev: nDreams
Windows
Stranded in a remote mountain facility, you play as a reluctant hero forced to defend the planet in a final stand against a legion of interdimensional enemies. Take aim and run head-first into explosive action as you shoot, ski, and climb your way across an extreme adventure.
Why similar: Action 54.2%, Adventure 45.8%
- #45 Cold Space
72% matchMostly Positive75% of 146 reviews2017
Dev: IdeaX
Windows
Median: 3.1 hrsMean: 8.8 hrs≥1hr: 77%
Fast team-based one-shot-one-kill shooter. Cold War gave a start for a huge conflict in space. Grab your knife and pistol, turn on your force-field and fight in the name of your motherland. But is it possible to survive for more than ten seconds in this slaughter?
Why similar: Action 58.6%, Indie 41.4%
- #46 Venineth
70% matchVery Positive81% of 261 reviews2020
Dev: Venineth TeamPub: mort-art
Windows
Median: 3.0 hrsMean: 4.4 hrs≥1hr: 75%
Venineth is a single-player game focusing on unraveling the mysteries of ancient alien technology, somewhere in the universe via exploration, platforming, and puzzle-solving, in a dangerous, distant worlds.
Why similar: Action 36.2%, Adventure 34.8%, Indie 29%
- #47 Cargo Commander
71% matchVery Positive83% of 927 reviews2012
Dev: Serious Brew
Windows · Mac · Linux
Median: 2.1 hrsMean: 11.0 hrs≥1hr: 91%
Alone in space, light years away from your family, armed with only your Fistcannon™; you are Cargo Corps' latest recruit, a Cargo Commander.
Why similar: Action 53.9%, Indie 46.1%
- #48 Planet Station
70% matchMixed65% of 78 reviews2020
Dev: Fasu Studio
Windows
Planet Station is a tense 3D action shooter in the Sci-Fi genre. Players must help former sheriff Margaret survive on a dangerous planet after her spaceship crashes. Fight monsters, gather resources, and find a way out to escape this deadly trap.
Why similar: Action 40.1%, Adventure 35.3%, Indie 24.6%
- #49 Ghostship Aftermath
72% matchMostly Negative39% of 108 reviews2014
Dev: MadAboutGamesStudios
Windows
Median: 5.0 hrsMean: 5.8 hrs≥1hr: 97%
Ghostship Aftermath takes survival horror to a new level with random events and multiple story-lines. Your survival skills will be put to the test on a huge open-world military spacecraft with limited light and oxygen as you struggle to discover what happened, and fight to stay alive!
Why similar: Action 34.9%, Indie 34.4%, Adventure 30.6%
- #50 Antarctica 88
68% matchVery Positive87% of 267 reviews2020
Dev: Euphoria Games
Windows
Uncover the chilling secrets beneath the Antarctic ice in this survival horror FPS. Shoot unimaginable creatures, solve cryptic puzzles, and fight for your life in the frozen wastelands.
Why similar: Action 37.4%, Adventure 34.5%, Indie 28.1%
- #51 SPACE ACCIDENT
67% matchMostly Positive77% of 293 reviews2022
Dev: Whale Rock Games
Windows
Your hero is Andy Freeman, a technical engineer of the Zeus-M700 spacecraft, sent on an expedition to the satellite of Jupiter to colonize it. However, what is conceived does not always go according to plan…
Why similar: Adventure 80.7%, Indie 19.3%
- #52 XOL: Space Mech Wars
64% matchVery Positive91% of 70 reviews2025
Dev: Michigames
Windows
Mech FPS game in all directions of space; follow the story and contribute to the fight for your homeland! Survive the space wars as an up-and-coming soldier with the toughest warriors around!
Why similar: Action 76.6%, Indie 23.4%
- #53 Last Horizon
69% matchVery Positive81% of 260 reviews2015
Dev: Pixeljam
Windows · Mac
Median: 18 minMean: 104.8 hrs≥1hr: 32%
A minimal space exploration and survival game. Pilot the last vessel of a fallen civilization into the vast unknown, in search of a new world to call home.
Why similar: Action 57.5%, Indie 42.5%
- #54 Operator8
65% matchMostly Positive79% of 63 reviews2024
Dev: Aligned Games
Windows
An unparalleled alien invasion has overwhelmed the Mining Block Facility on the moon Triton, leaving only death and horror in its wake. You are a mercenary known as Operator8 and you alone have been called in to bring a stop to this fierce attack. Destroy the hive mind at all costs!
Why similar: Action 66.3%, Adventure 33.7%
- #55 Morphite
69% matchMixed68% of 109 reviews2017
Dev: Crescent Moon Games
Windows · Mac · Linux
Median: 1.4 hrsMean: 5.0 hrs≥1hr: 56%
Morphite is a casual atmospheric FPS, inspired by the classics. Research plants and animals, battle hostile entities, and unravel a mystery surrounding a rare material called Morphite.
Why similar: Adventure 38.7%, Action 36.5%, Indie 24.8%
- #56 Project Remedium
70% matchMostly Negative32% of 159 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: Action 38.2%, Adventure 35.6%, Indie 26.2%
- #57 HELL GALAXY
63% matchMostly Positive78% of 50 reviews2025
Dev: Italian Games Factory
Windows
Hell Galaxy is the only game where you can experience the fusion of space battles, RPG elements, eerie specters, and daunting titans. Embark on a dark sci-fi odyssey through a galaxy teeming with ancient alien ruins and hidden secrets, where nothing is human. Not even you.
Why similar: Action 44.8%, Adventure 33%, Indie 22.1%
- #58 Iridio
62% matchVery Positive91% of 109 reviews2025
Dev: KR Games
Windows
Seized by criminals, the island designated for your research needs your help. Join Yatziri and the Wazhari tribe to liberate their hostages, explore hidden secrets, craft essential items and weapons, and strategically use fire and water in challenging puzzles and life-or-death battles for survival.
Why similar: Action 52.8%, Adventure 47.2%