- #1 AstralOutlaw
97% match4 user reviews75% of 4 reviews2026
Dev: memi1252Pub: Self
Windows
Astral Outlaw is a 3D sci-fi survival game made by Korean high schoolers. Explore an abandoned station, scavenge for scrap, and craft tools to repair your broken ship. Master repair mini-games and manage resources to escape the void.
Why similar: Space Sim 44.9% ★, 3D Platformer 21.5%, Space 8.1%, Futuristic 7.6%, Adventure 6.2%
- #2 The Deep Diving of FloodDragon
96% matchMostly Negative39% of 23 reviews2022
Dev: RayLink Studio
Windows
"Landing on the moon and diving into the deep sea" is a human dream. In this game, you will experience this great journey. Understand the structure of Jiaolong, drive the submarine with the deepest diving depth in the world to dive into the deep sea and explore unknown places.
Why similar: Runner 15.1%, Space Sim 14.7% ★, Walking Simulator 14.6%, Idler 12.9%, 3D Platformer 12.3%
- #3 To Infinity
96% match3 user reviews33% of 3 reviews2023
Dev: Twisted Universe
Windows
To Infinity tells the adventures of a schizophrenic astronaut. The astronaut escapes from the world and goes to search for other planets where he can live with his spaceship, and in the meantime, he constantly makes parkour, witnessing the epic view of the universe.
Why similar: Space Sim 33.4% ★, Runner 17.8%, Walking Simulator 16.5%, 3D Platformer 12.8%, Futuristic 5.7%
- #4 Silent World
95% matchPositive92% of 36 reviews2022
Dev: DAYAStudio
Windows · Mac
Get rid of fatigue in Silent World! Listen to relaxing music and casual skateboarding in the sunset or early morning. It’s just a simple 2D pixel game.
Why similar: Life Sim 20.6%, Runner 20.6%, Walking Simulator 19.8%, Idler 15.2%, Simulation 14.4%
- #5 Artemis VR
94% matchNo user reviews2026
Dev: Vritics
Windows
As an Artemis astronaut, face the challenges of space flight in the newest manned system that will take humanity back to the Moon thanks to NASA resources and consultation in terms of Artemis MIssions. Manage the mission using VR glasses.
Why similar: Space Sim 41.4% ★, Idler 14.4%, Walking Simulator 13.9%, Simulation 9.2%, Space 9%
- #6 Space Mechanics: repair | hiring | crafting
94% matchPositive91% of 11 reviews2025
Dev: MintCat
Windows
In "Space Mechanics: Repair | Hiring | Craft" you are the owner of a space repair station in which you have to work. Repair spaceships, get money for it, hire them and create items for sale or for your own purposes.
Why similar: Space Sim 44.4% ★, Futuristic 12.2%, Simulation 11.6%, Idler 11.1%, Space 7.9%
- #7 SPACE ACCIDENT
93% 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: Space Sim 37.6% ★, Simulation 17.5%, Puzzle 13.8%, Adventure 10.6%, Futuristic 10.4%
- #8 Space Commanders: Solar System
92% matchNo user reviews2026
Dev: Ziya AL
Windows
A lone space commander explores real planetary surfaces, builds small outposts, rescues stranded astronauts, and fights to survive in the cold silence of the Solar System.
Why similar: Space Sim 37.5% ★, Walking Simulator 18.2%, Simulation 11.3%, Futuristic 8.5%, Adventure 6.2%
- #9 MOSS Becoming Human
91% matchNo user reviews
Dev: MOSS AI
Windows
MOSS Becoming Human is an AI science game where players develop and deploy AI agents to build a Martian civilization. Customize, evolve, and test AI in various modes, shaping diverse outcomes. Agents can also interact with the real world, including social platforms like X.
Why similar: Space Sim 40.9% ★, Life Sim 20.5%, Simulation 15.4%, 3D Platformer 14%, Futuristic 5.3%
- #10 Cradle-18
91% matchNo user reviews
Dev: Black Bull Studio
Windows
You wake up on a deserted space station on the orbit of unknown planet. How did you come here? What happened with crew? What is happenning here? You have to find out. And also you have to survive here because the station is fraught with many dangers.
Why similar: Space Sim 37.2% ★, Walking Simulator 26.5%, Space 10.2%, Futuristic 7.5%, First-Person 7.4%
- #11 To The Mars
90% match4 user reviews75% of 4 reviews2023
Dev: Exxes Games
Windows
Are you ready to climb toward to Mars just for fun? This is a concise game, nothing more. You can always repeat it, you learn from mistakes. It should be simple enough, good luck to everyone.
Why similar: Walking Simulator 21.3%, Runner 18.7%, Simulation 16.6%, 3D Platformer 14.7%, Casual 11.1%
- #12 Space Stone Smashing Simulator
89% matchNo user reviews
Dev: Kokrok Production
Windows · Linux
Control a mining drone in space. Scan asteroids, extract resources, and manage your equipment. Optimize your workflow and explore a relaxing sci-fi mining experience.
Why similar: Space Sim 43.9% ★, Walking Simulator 20.9%, Simulation 17.1%, First-Person 6.1%, Space 5.4%
- #13 GrimGraves
89% matchNo user reviews
Dev: Powrid Games
Windows
Run away from the monsters and solve puzzles along the way in this pixelated running-fest, also wish you never meet the red man any time soon.
Why similar: Walking Simulator 22.4%, Idler 18.7%, 3D Platformer 17.2%, Runner 12.9%, Casual 10%
- #14 Echo
88% match1 user reviews0% of 1 reviews2026
Dev: Mistway
Windows
Enter an infinite‑loop laboratory and retrieve uncontaminated extraterrestrial samples, and ultimately achieve your mission objectives.
Why similar: Space Sim 31.5% ★, Walking Simulator 20.9%, Simulation 9%, Puzzle 7.2%, Futuristic 6.7%
- #15 ISS Simulator
87% matchMostly Positive78% of 91 reviews2024
Dev: Spacedata.incPub: 株式会社スペースデータ
Windows
The ultimate space simulator game, precisely modeling the space and space environment inside the International Space Station (ISS).
Why similar: Space Sim 37.6% ★, Walking Simulator 20.7%, Simulation 15.2%, 3D Platformer 13.8%, Space 4.3%
- #16 Sad Virus Forest
86% matchPositive92% of 12 reviews2025
Dev: ZERO5GAMES
Windows
New part sad virus walking game series. Now collect beer bottles at forest and avoid traps.
Why similar: Life Sim 25.8%, Walking Simulator 20%, Runner 18.8%, Simulation 16.9%, 3D Platformer 15.3%
- #17 I Am a Rock
86% matchVery Positive90% of 52 reviews2022
Dev: PanGuoJun
Windows
A rock's solar system odyssey.
Why similar: Space Sim 37.1% ★, Walking Simulator 17.4%, Idler 14.7%, 3D Platformer 13%, Casual 8.4%
- #18 WakuWaku Park
85% matchNo user reviews2026
Dev: DOUJIN3ARIESPub: 072 Project
Windows
Miki wakes up in a park on a summer morning, with shadowy men in black closing in. To survive, she must run, drink, and evade the shadows closing in.
Why similar: Life Sim 27.9%, Runner 27.6%, Walking Simulator 27%, Casual 12.2%, 3D 4.7%
- #19 Only Up Spaceman
84% match6 user reviews83% of 6 reviews2024
Dev: Limey Studio
Windows
Conquer the heights of space by navigating treacherous landscapes. Battle gravity and test your skill to reach the top. Get ready for the climb of your life.
Why similar: Space Sim 41.4% ★, 3D Platformer 17.2%, Walking Simulator 13.1%, Space 9.7%, Simulation 8.2%
- #20 VR-太阳系
84% matchMostly Positive77% of 13 reviews2023
Dev: 001
Windows
Welcome to this exciting gaming world, where you will transform into a true space explorer and embark on a magnificent journey of exploring the wonders of the universe!
Why similar: Space Sim 47.4% ★, Idler 20.4%, Simulation 12.2%, Casual 10.7%, Space 5.2%
- #21 Vast Haven-1 VR
82% matchMixed48% of 26 reviews2025
Dev: Spinifex GroupPub: Vast Space, LLC
Windows
Step into Haven-1, the world's first commercial space station. Unlock its hatch to navigate through the interior of the station, where you can interact with the storage area, the crew quarters, the Haven-1 Lab, and a stunning, 180-degree view of Earth.
Why similar: Space Sim 49.6% ★, Walking Simulator 23.5%, Casual 11.1%, Space 8.9%, Simulation 6.3%
- #22 Infinite sky
83% matchMostly Negative27% of 11 reviews2021
Dev: Blue panda Games
Windows
This is an escape flight game. The pace of the game is very tight. The player's goal is to survive as much as possible.
Why similar: Space Sim 53.8% ★, 3D Platformer 20.5%, Futuristic 12.9%, Casual 12.5%, Singleplayer 0.3%
- #23 Grocery Store Simulator
82% matchNo user reviews
Dev: CustomDev
Windows
Build, manage, and grow your own grocery store empire! Step into this exciting retail simulation adventure and experience the challenges and rewards of running your very own store.
Why similar: Life Sim 30.5%, Walking Simulator 24.8%, Simulation 21.1%, Casual 13.4%, First-Person 5.6%
- #24 Camilla
81% match5 user reviews40% of 5 reviews2025
Dev: quad_studio
Windows
Pac-Man-type running simulation Camilla is the story of a girl who confronts fear. Check the number of acquired goods for clearance for each stage and acquire all the goods and move on to the next stage. You can clear all the stages consisting of three stages and check the final ending.
Why similar: Runner 33.9%, Walking Simulator 19.4%, Simulation 16%, 3D Platformer 13.2%, Adventure 8%
- #25 Rogue System
81% matchMixed67% of 274 reviews2022
Dev: Digits Crossed Interactive, LLCPub: Image Space Incorporated
Windows
Our goal is to depict the possibilities of space exploration & combat within a realistic environment- to emphasize the "science" in science-fiction. Key features to include: proper orbital mechanics for all objects in space, detailed ship system control, functionality, inter-dependency & damage reaction.
Why similar: Space Sim 68.5% ★, Simulation 23.1%, Space 8.5%
- #26 Foreign Galaxies
79% matchMostly Positive77% of 13 reviews2022
Dev: Vengeful Muffin
Windows
After a galactic portal failure you find yourself lost millions of light years away from home, in a foreign galaxy... With your main propulsion systems disabled you are unable to traverse space, so you try to collect resources you find near you in order to create a galactic portal to return back.
Why similar: Space Sim 42.8% ★, Simulation 18.1%, Adventure 10.5%, Casual 9.9%, Space 6.6%
- #27 Detective Bureau Simulator
80% match3 user reviews0% of 3 reviews2021
Dev: Detective Bureau Simulator
Windows
How successful detective are you? Do you believe you can find the mysteries? Solve incidents by finding clues and using the clues given to you.
Why similar: Walking Simulator 23.1%, Simulation 18.2%, 3D Platformer 16.1%, Casual 11.9%, Puzzle 11.8%
- #28 History of Space
79% match4 user reviews25% of 4 reviews2023
Dev: 5 Games
Windows
History of Space is an immersive and educational game that allows players to explore a virtual space history museum, delving into the captivating history of space exploration.
Why similar: Space Sim 47% ★, Simulation 19%, Adventure 10.9%, Casual 7%, First-Person 5.9%
- #29 Sad Virus Shitcoin
77% matchMixed67% of 12 reviews2025
Dev: ZERO5GAMES
Windows
Sad virus is back again. Now in futuristic space land virus must find crypto called shitcoins
Why similar: Life Sim 26.1%, Walking Simulator 20%, Simulation 16.8%, 3D Platformer 13.9%, Adventure 9.6%
- #30 Boötes
78% match2 user reviews50% of 2 reviews2024
Dev: HEAD GMZ
Windows
Boötes is a Space Sim where you get to jump on astroids. Collect Crystals, Unlock New Abilities, Find Secrets to Unlock New Suits, and Much More. You are all alone in The Boötes Void where you find mysterious crystals that can help fuel your space shuttle so you can visit the Cold Dark.
Why similar: Space Sim 56% ★, Simulation 13.2%, Futuristic 12.3%, Adventure 9%, First-Person 4.1%
- #31 Pizzy6
77% matchNo user reviews
Dev: CelestiaDominance
Windows
A small game about running a floating pizzeria in deep space. Serve customers, earn credits, and upgrade your equipment—nothing more, nothing less.
Why similar: Space Sim 34.8% ★, Life Sim 24.4%, Simulation 20.7%, First-Person 9.4%, 3D 5.8%
- #32 Super Starship
75% match2 user reviews100% of 2 reviews2026
Dev: Les Bird
Windows · Mac
A futuristic sci-fi persistent universe exploration game with one million stars and 18 million planets and moons. Fly your ship to any star and explore its solar system. Claiming stars, planets and moons will make them yours forever - other players will see your discoveries and you will see theirs.
Why similar: Space Sim 53.8% ★, Simulation 20.8%, Futuristic 10.6%, Space 6.5%, 3D 5.2%
- #33 The New Earth
78% match3 user reviews100% of 3 reviews2021
Dev: Lxy
Windows
本游戏为太空模拟经营游戏,您需要通过调节各资源产量的平衡以建设您在行星上的基地,用富余的物资组织对遗迹的探险,调查这里发生了什么,并一步一步发现地球的真相
Why similar: Space Sim 26% ★, 3D Platformer 19.6%, Futuristic 12%, Simulation 11.8%, Idler 10.5%
- #34 Space Station Escape
76% match9 user reviews78% of 9 reviews2024
Dev: SOGA Std
Windows
Space Station Escape is a anomaly horror game.Players take on the role of an astronaut wanting to escape from a spaceship running out of oxygen.
Why similar: Space Sim 40.2% ★, Space 10.4%, Futuristic 10.2%, Puzzle 8.6%, Walking Simulator 6.7%
- #35 Office7
74% match4 user reviews100% of 4 reviews2024
Dev: TOMO GAME CREATE(トモクリ)
Windows
A guess-the-difference game modeled after an office hallway.Aim to escape from the endless corridors!
Why similar: Walking Simulator 36%, 3D Platformer 27.4%, Simulation 19.6%, First-Person 9.3%, 3D 6.8%
- #36 Merchant 64
73% matchMixed69% of 124 reviews2025
Dev: SuitNtie
Windows
Merchant 64 a tiny retro inspired traveling merchant game! Take control of Merchant as you buy goods at low prices and sell them in different towns at higher prices.
Why similar: Life Sim 27.6%, Walking Simulator 23.6%, 3D Platformer 18.3%, Simulation 12.3%, Casual 6.9%
- #37 Never Fall
75% matchNo user reviews2025
Dev: AtomsPub: Ats Studio
Windows
"Relax, listen to music, and guide the ball to reach the highest position in this physics-based adventure. Can you master the climb?"
Why similar: Runner 32.1%, 3D Platformer 25%, Walking Simulator 24.6%, Casual 7.3%, Adventure 5.7%
- #38 Tachyon: The Fringe
76% matchVery Positive89% of 244 reviews2009
Dev: NovaLogic
Windows
Median: 24 minMean: 4.5 hrs≥1hr: 36%
Caught in the middle of a violent conflict on the fringe of the galaxy — your ability to survive will depend on your piloting skills and combat savvy as a mercenary space fighter. But, as you explore the vastly detailed world of Tachyon: The Fringe, you will often find that the most powerful weapon on your ship is in your head.
Why similar: Space Sim 61.8% ★, Simulation 26.2%, Space 11.9%
- #39 Sad Virus Space
73% matchMixed47% of 19 reviews2025
Dev: DIG Games
Windows
4th part of walking simulation game series. Sad virus mission is again collect beer bottles in space themed map
Why similar: Space Sim 34.5% ★, 3D Platformer 19.6%, Walking Simulator 14.5%, Simulation 9.3%, Space 9%
- #40 Sisyphus Endures
72% match1 user reviews100% of 1 reviews2025
Dev: OÜ Vaba Tõlge
Windows · Linux
Inspired by the ancient myth of Sisyphus, you are tasked with pushing a gigantic boulder up a hill. Reach each checkpoint before the rising water swallows you whole.
Why similar: Runner 26.3%, Walking Simulator 25.3%, 3D Platformer 19.5%, Puzzle 12.9%, Casual 11.5%
- #41 Jink in
74% matchNo user reviews2024
Dev: Ego Games Studios LTD
Windows
Junk In offers players an engaging simulation experience as a homeless person, capturing the everyday challenges and survival situations faced on the streets. This casual simulator features level-based gameplay, with each level presenting a unique scenario for players to navigate and overcome.
Why similar: Life Sim 32.9%, Walking Simulator 26.9%, Simulation 22.5%, Adventure 13%, 3D 4.4%
- #42 SCALEPLANET
73% matchMixed63% of 27 reviews2022
Dev: Scale Studio
Windows
Somewhere in the third dimension there lives an alien Joe. He can't sit still. He constantly travels and explores the world and galaxies. This time he came across a new planet.
Why similar: Space Sim 48.8% ★, Simulation 19.7%, Casual 13.3%, Adventure 10.8%, Space 6.8%
- #43 The Earth Sucks
72% matchNo user reviews
Dev: Insert Developer NamePub: Great North Gorilla
Windows
A casual space simulation game where you perform orbital manoeuvres on satellites to change their orbit and complete missions.
Why similar: Space Sim 51.6% ★, Simulation 22.7%, Space 9.6%, Futuristic 8.8%, Casual 4.1%
- #44 漫游后室 Roaming Backrooms
70% matchPositive80% of 10 reviews2025
Dev: 搞机居委会Pub: 冷笑黑妖
Windows
This is a back room style game. There are many rooms in the game, like a maze, where players need to find a way out. Mainly focused on exploration, with some frightening elements. There may be monsters waiting for players around the corner, or chasing them. There is no bloody content.
Why similar: Runner 30.6%, Walking Simulator 23.4%, 3D Platformer 22.4%, Simulation 13%, First-Person 7.4%
- #45 Ant Simulator
71% match1 user reviews0% of 1 reviews2025
Dev: Decentralized Horizons LLC
Windows
Perfect for relaxing, background running, or anyone fascinated by tiny ecosystems. Watch the quiet life of an ant unfold in a beautifully animated terrarium. No control, no stress — just peaceful observation.
Why similar: Life Sim 40.1%, Simulation 19%, 3D Platformer 16.4%, Casual 16.2%, 3D 7.5%
- #46 My Apollogies
70% match5 user reviews60% of 5 reviews2025
Dev: Spatium Interactive d.o.o
Windows
A routine spacewalk procedure traps you in an endless loop. Observe the spaceship carefully, detect anomalies, and choose the right path to reach the airlock and escape.
Why similar: Space Sim 44.1% ★, Walking Simulator 25.7%, Simulation 9.9%, Puzzle 7.6%, First-Person 6.2%
- #47 Cat On The Desktop
71% match5 user reviews100% of 5 reviews2023
Dev: GCN
Windows
Who can refuse a cat! A cat on the desktop interacts with you, hangs up, and enjoys this tranquility together
Why similar: Life Sim 28.3%, Idler 21.3%, 3D Platformer 19.2%, Simulation 13.8%, Casual 12.9%
- #48 无尽星海(Endless Stars)
71% match4 user reviews75% of 4 reviews2023
Dev: Lxy
Windows
The story takes place in the distant future. You will play a captain of a star ship and go into deep space. You need to manage your resources carefully. In the game, you can investigate the outliers of various planets, discover the wonders of the universe or learn the stories of lost civilizations.
Why similar: Space Sim 53.5% ★, Futuristic 14.1%, Space 13%, Casual 5.5%, Adventure 4.8%
- #49 Construction Runner
69% matchMostly Positive80% of 25 reviews2025
Dev: Hansa Studio
Windows · Linux
A very simple Jump ’n’ Run game where you run through a construction site.
Why similar: Walking Simulator 22.5%, Runner 20.1%, Simulation 17.8%, 3D Platformer 14.7%, Casual 10.7%
- #50 Star Freight
68% matchPositive100% of 20 reviews2025
Dev: Error 300
Windows · Mac · Linux
Can you deliver the goods? Board your spaceship and go!
Why similar: Space Sim 46.7% ★, Simulation 20.7%, Puzzle 16.9%, Casual 12.5%, Sci-fi 2.6%
- #51 Tilt
70% matchNo user reviews
Dev: Stopshut GamesPub: Mascot Bro Studio
Windows
TILT is a first-person platform puzzle game set in an industrial-futuristic world of Ascendium Technologies, the sky is NOT the limit! Using the A.E.R.O.G.R.I.P., traverse the gravity-defying puzzles of the Aerostation.
Why similar: Space Sim 32.3% ★, Walking Simulator 15.2%, 3D Platformer 14.7%, Puzzle 8.7%, Simulation 8.5%
- #52 Condemned to Clean
69% matchNo user reviews2026
Dev: KOMA
Windows
You are a cleaner, not by calling, but by sentence. Condemned to Clean is a single-player simulator where you restore a provincial beach. Explore, collect trash, pay your debt, and do small deeds for a greater purpose!
Why similar: Runner 27.8%, Idler 23.2%, Life Sim 17%, Walking Simulator 14.2%, Simulation 9.9%
- #53 Office 29
68% match3 user reviews33% of 3 reviews2024
Dev: Evrac Studio
Windows · Mac
You overslept at work, and when you woke up, everyone was already gone. The office is eerily empty, and strange anomalies seem to have taken over. Explore the office, gather your 29 items, and go home.
Why similar: Life Sim 27.3%, Walking Simulator 26%, Simulation 14.4%, Puzzle 12%, Adventure 7.3%
- #54 Sad Virus Land
67% match9 user reviews70% of 10 reviews2025
Dev: DIG Games
Windows
Walking simulation in open world where player controls virus whose mission is to find beer bottles so he can be happy again in big forest land
Why similar: Life Sim 25.7%, 3D Platformer 24.9%, Walking Simulator 21.1%, Simulation 12.1%, Casual 6.3%
- #55 Sex Trainer's Diary: Hidden Kink
68% matchNo user reviews
Dev: 老二打鐵舖Pub: Oπ
Windows
This is a stealth-based adult simulation game where you follow the mysterious woman, Mio, and interact with her to uncover her secrets. As a professional trainer, you will fulfill Mio's unique desires while gradually revealing the hidden story between the two of you.
Why similar: Life Sim 25.2%, Walking Simulator 24.9%, Simulation 17.8%, 3D Platformer 16.7%, Casual 11.1%
- #56 MY FOX - Desktop Wild Pet
69% matchMostly Positive71% of 49 reviews2021
Dev: 3dm_live_wallpapers
Windows
A relaxing game displayed as wallpaper. Adopt a little fox with whom you will explore the new wild world.
Why similar: Life Sim 25.6%, Idler 22.3%, Walking Simulator 22.3%, Simulation 11.9%, Casual 7%
- #57 Planet Mort
67% matchPositive95% of 21 reviews2024
Dev: Pomoranian
Windows
Adapt and live
Why similar: Life Sim 32.3%, Walking Simulator 18.3%, 3D Platformer 14.6%, Adventure 10.7%, Casual 9.2%
- #58 PawPrint
67% match9 user reviews67% of 9 reviews2024
Dev: 原子寄托游戏工作室
Windows
A cloud cat simulation operation game. This is a game for people who have lost their cats in real life, in this game, players can DIY their own cat image.Players can run with cat,earn gold coins, buy cat food in the cat star scene, and continue to complete the fate of feeding and accompanying cats.
Why similar: Life Sim 29.5%, Simulation 20.4%, Idler 17.7%, 3D Platformer 14.9%, Casual 13.5%
- #59 Epoch Makers
66% match1 user reviews100% of 1 reviews2025
Dev: Anomalybyte Studio, Sunset DiscoPub: Anomalybyte Studio
Windows
Step into the past and rebuild history in Epoch Makers, a co-op restoration sim for 1–4 players. Clean, repair, and reconstruct iconic landmarks while tackling tricky obstacle courses that test your coordination, timing, and teamwork.
Why similar: Space Sim 34.3% ★, Life Sim 19.5%, Walking Simulator 17%, Simulation 9.8%, Casual 6.1%
- #60 Astro Tanto
66% matchNo user reviews
Dev: Theory Studios
Windows
You were promised a hero’s journey. You got a vacuum cleaner. Team up with 3 friends in this chaotic, physics-based co-op game. Build your space station out of "recycled" trash, dodge orbital debris, and try not to burn up in the atmosphere. In space, no one can hear you clean.
Why similar: Space Sim 49.7% ★, Simulation 19%, Casual 12%, First-Person 7.4%, Space 6.6%