- #1 Unit 097
97% matchNo user reviews2026
Dev: Sip
Windows · Linux
Explore the galaxy through the eyes of an android pilot. Enjoy a mix of relaxing planetary scanning and arcade-style combat as you upgrade your fleet. A slow-paced space sim for those who love the hum of an engine and the glow of distant suns.
Why similar: Space Sim 62.3% ★, Casual 19%, Exploration 12.1%, 2D 5.6%, Singleplayer 0.9%
- #2 Karta Centauri
96% match5 user reviews40% of 5 reviews2025
Dev: Total
Windows
An accidental space adventure
Why similar: Space Sim 56.2% ★, Casual 19.3%, Exploration 10.9%, Hand-drawn 8.7%, 2D 4.2%
- #3 Failure to Launch
96% matchNo user reviews2024
Dev: paincho
Windows · Linux
Failure to Launch is a short physics based platformer where you must reach space with a small space capsule.
Why similar: Space Sim 42.9% ★, Precision Platformer 33.9%, Physics 12.9%, Casual 9.6%, Singleplayer 0.6%
- #4 Asteroid Mining Empire
95% matchNo user reviews2026
Dev: Nightingale Games
Windows · Mac · Linux
Asteroid Mining Empire is a sci-fi mining progression game where you harvest asteroid fields, earn credits, unlock upgrades, expand your ship and drone systems, and push toward powerful long-term rebirth progression as your small operation grows into a space industry.
Why similar: Space Sim 70.9% ★, Casual 21%, 2D 7%, Singleplayer 1%
- #5 Star Legacy
94% matchNo user reviews
Dev: Star Legacy
Windows
Venture into the depths of space and leave your legacy among the stars. In Star Legacy, explore galaxies, upgrade your ship, and survive on unknown planets.
Why similar: Space Sim 62% ★, Casual 17%, Exploration 11.3%, Aliens 9.2%, Singleplayer 0.5%
- #6 Star Freight
93% matchPositive100% of 20 reviews2025
Dev: Error 300
Windows · Mac · Linux
Can you deliver the goods? Board your spaceship and go!
Why similar: Space Sim 57.2% ★, Casual 20.1%, Aliens 16.7%, 2D 4.9%, Singleplayer 1.1%
- #7 Space Out
94% match1 user reviews100% of 1 reviews2022
Dev: Vizabee Games LLC
Windows
Space Out blends elements from Breakout, pinball, and a space shooter to provide a unique, fast-paced, and challenging arcade experience.
Why similar: Space Sim 59.5% ★, Casual 18.6%, Aliens 16.2%, 2D 4.8%, Singleplayer 0.9%
- #8 Gravitation
92% matchNo user reviews
Dev: GoldenEggs Workshop
Windows
Gravitation is a sandbox simulation set in the vastness of the cosmos and built on the laws of real-world physics.
Why similar: Space Sim 59.3% ★, Casual 20.3%, Exploration 8.7%, Physics 6.9%, 2D 4.1%
- #9 Rocket Hit
91% match9 user reviews80% of 9 reviews2025
Dev: Ananos Games Studio
Windows
Explore every star system, orbit numerous stars, maneuver to various planets, and survive asteroids the longest aboard countless miniaturized rockets in Rocket Hit.
Why similar: Space Sim 78.7% ★, Casual 11.6%, Physics 8.6%, Singleplayer 1.1%
- #10 The Alien Way
91% matchMixed68% of 19 reviews2021
Dev: Wood Stone GamePub: Piece Of Voxel
Windows
The Alien Way is a high-speed platformer made in 2D pixel art.Jump from platform to platform, bypassing saws and the space abyss. Open all skins with unique characteristics and pump them in a special shop in the main menu.
Why similar: Space Sim 46.5% ★, Precision Platformer 29%, Aliens 11.7%, Casual 7.6%, 2D 4.2%
- #11 Wheel Up The Hill
90% match1 user reviews100% of 1 reviews2025
Dev: MadeByDavid
Windows
Roll a wheel uphill in this chill physics-based challenge. Soothing music meets soul-crushing difficulty. Easy controls, hard to master. Get to the top, if you can.
Why similar: Precision Platformer 50.9%, Casual 27.4%, Physics 12%, 2D 8.2%, Singleplayer 1.5%
- #12 Catstronaut, Félicette's adventures
89% matchNo user reviews
Dev: Catfall games
Windows
A 2D platform game set in space, based on gravity and mini-planets, in which you play as Félicette, who travels through space. You will have to navigate each level, using your skills to manage the gravity of the planets you encounter, jumping, using your jetpack, and other surprises...
Why similar: Space Sim 45.5% ★, Precision Platformer 21.7%, Casual 17.8%, Exploration 8.3%, Physics 3.4%
- #13 Asteroids Maneuvers
89% match4 user reviews50% of 4 reviews2021
Dev: INFINITE BRIDGE
Windows
Maneuver through Asteroids and collect Juice!
Why similar: Space Sim 61.1% ★, Casual 20.7%, Exploration 12.2%, 2D 5.4%, Singleplayer 0.6%
- #14 Infinite sky
88% 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 75.6% ★, Casual 23.1%, Singleplayer 1.3%
- #15 20 Days
86% match1 user reviews100% of 1 reviews2025
Dev: AgostonB
Windows
Survive 20 tense days aboard a failing spaceship while hunting down an enemy satellite. Every day brings new malfunctions, random story events, and difficult choices. Will you find the target before it's too late?
Why similar: Space Sim 61.4% ★, Aliens 14.8%, Cartoony 12.2%, 2D 5.7%, Casual 5.3%
- #16 Cosmo 02
87% matchPositive80% of 20 reviews2021
Dev: PhoenixFire Games
Windows
Cosmo 02 is a fast-paced bullet hell shooter where you play as a space soldier, destroying enemy fleets, defeating bosses, and collecting power-ups in a stunning galaxy.
Why similar: Space Sim 46.6% ★, Precision Platformer 29.2%, Exploration 10.6%, Casual 8.3%, 2D 4%
- #17 Lil' Snot: Moon Escape
85% match8 user reviews89% of 9 reviews2025
Dev: LoveMecha
Windows
Lil' Snot: Moon Escape is a difficult, minimalist, precision-platformer. Sling yourself with mouse controls through 5 levels with unique mechanics each to test your capabilities. Try to beat my fastest finish time of 2:39!
Why similar: Precision Platformer 43.6%, Aliens 24.4%, Casual 23.6%, 2D 7.3%, Singleplayer 1.2%
- #18 The Earth Sucks
86% 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 69.2% ★, Physics 15.7%, Casual 7.2%, 2D 6.8%, Singleplayer 1.2%
- #19 Sputnika Game
83% matchVery Positive90% of 613 reviews2024
Dev: egunan
Windows
A Cosmic twist on a Suika-style game with space gravity. Help our little friend Sputnik on his journey to become the Sun.
Why similar: Space Sim 65.5% ★, Casual 21.2%, 2D 6.7%, Physics 5.9%, Singleplayer 0.7%
- #20 Gronk Want Rock
84% matchPositive100% of 14 reviews2022
Dev: Gronk
Windows
Gronk want rock. bring rock from bottom to top.
Why similar: Precision Platformer 48.3%, Casual 24.8%, Cartoony 15.9%, Physics 9.8%, Singleplayer 1.2%
- #21 Zodiac Landing
84% match1 user reviews0% of 1 reviews2023
Dev: IdeaCompound
Windows
This is a rocket flight simulation game. You will control a rocket by left and right engines to fly in space and try to land on target platform, while enjoying beautiful nebulas and ambient music.
Why similar: Space Sim 72.8% ★, Casual 14.5%, Physics 8.6%, 2D 2.9%, Singleplayer 1.2%
- #22 Space Atlas: The Solar System
82% match6 user reviews83% of 6 reviews2024
Dev: Ouroboro Soft Inc.
Windows · Mac
Navigate through a detailed simulation of the solar system, where you can explore planets, moons, and other celestial bodies up close. Access detailed information, images, interactive content, quizzes and even mini-games where you can try to land a space probe.
Why similar: Space Sim 74.6% ★, Exploration 14.5%, Physics 9.6%, Singleplayer 1.3%
- #23 Blastocitos
82% matchPositive93% of 14 reviews2022
Dev: REACTORJOYPub: kovalevviktor
Windows
To start the game, select a level from the suggested ones. Start your journey and defeat the boss to go further.
Why similar: Space Sim 53.4% ★, Aliens 20.3%, Exploration 10.6%, Casual 9.5%, 2D 5.4%
- #24 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 100% ★
- #25 SCALEPLANET
81% 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 68.7% ★, Casual 24.6%, 2D 5.6%, Singleplayer 1.1%
- #26 Weird Wormholes
79% match8 user reviews88% of 8 reviews2024
Dev: KelpMine
Windows · Linux
Weird Wormholes is a casual game about traveling through wormholes to try and get back home. Use your ship to mine planets for resources and process these resources into components to enable your travels.
Why similar: Space Sim 63.2% ★, Casual 19%, Exploration 12.4%, 2D 4.9%, Singleplayer 0.5%
- #27 Planetary Destruction
80% matchNo user reviews2023
Dev: Top Hat Panda
Windows
Fly around in search of a safe planet to land on. Discover what happened to the others, and try and survive long enough to do so. Can you survive in the bullet hell space shooter game?
Why similar: Space Sim 64% ★, Aliens 16.5%, Cartoony 12.2%, 2D 6.3%, Singleplayer 1%
- #28 Pulse Sweep
78% matchNo user reviews
Dev: -----
Windows
Pulse sweep is a short incremental game where enemies are only visible when the radar sweeps them.
Why similar: Space Sim 63% ★, Physics 17.2%, 2D 10.2%, Casual 8.3%, Singleplayer 1.2%
- #29 Planet Finder
77% matchPositive92% of 13 reviews2025
Dev: Artur Rezende
Windows
Earth is on the brink of collapse! Explore space, discover new planets, and gather vital resources to save humanity. No weapons, no wars—just you and the vastness of space. The future depends on you!
Why similar: Space Sim 45.1% ★, Casual 23.4%, Exploration 21.2%, 2D 8.1%, Singleplayer 2.1%
- #30 Аlien cat 4
79% matchPositive92% of 13 reviews2020
Dev: Repa gamesPub: Laush Studio
Windows
The game takes place in a nearby galaxy where a fighter with intergalactic evil in the form of a black cat has settled down
Why similar: Space Sim 59.3% ★, Casual 18.7%, Aliens 15.8%, Hand-drawn 5.1%, Singleplayer 1.2%
- #31 无尽星海(Endless Stars)
78% 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 74.2% ★, Exploration 15%, Casual 10%, Singleplayer 0.8%
- #32 BoboInvasion
76% matchMostly Positive76% of 17 reviews2024
Dev: MarcusRossi
Windows
BoboInvasion is a classic spaceshooter game. Face waves of aliens with increasing difficulty, dodge their attacks, and choose a ship upgrade that suits your style to win
Why similar: Space Sim 68% ★, Casual 15.3%, Aliens 12.1%, 2D 4%, Singleplayer 0.6%
- #33 Space Crash Simulator
75% match7 user reviews86% of 7 reviews2025
Dev: WPC
Windows · Mac
Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!
Why similar: Space Sim 74% ★, Physics 12.6%, Casual 12.6%, Singleplayer 0.8%
- #34 Tiny Space Academy
77% matchMixed63% of 54 reviews2021
Dev: Full Orbit Games LLC
Windows · Mac
Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.
Why similar: Space Sim 55.8% ★, Physics 13.3%, Casual 12.7%, Exploration 12.5%, 2D 5.4%
- #35 Space Query
75% match2 user reviews100% of 2 reviews2024
Dev: Space Query team
Windows
This simulation software brings the solar system to your fingertips, allowing you to explore the orbits of planets and witness the fascinating effects of introducing new cosmic objects like asteroids, extra suns, or even a black hole.
Why similar: Space Sim 76.3% ★, Exploration 13.6%, Physics 9%, Singleplayer 1.2%
- #36 Vast Haven-1 VR
73% 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 76.2% ★, Casual 22.5%, Singleplayer 1.3%
- #37 Go Rocket
76% match2 user reviews50% of 2 reviews2021
Dev: QuickBobber
Windows
An arcade game about a rocket flying in endless space.
Why similar: Space Sim 65.9% ★, Casual 26.7%, 2D 6.1%, Singleplayer 1.3%
- #38 Contraptions 2
74% match9 user reviews67% of 9 reviews2023
Dev: Moragami Co., LtdPub: Funbox Media Ltd
Windows
Contraptions 2 is a physics based puzzle game with a fun cartoony look and feel to it.
Why similar: Casual 29.4%, Aliens 22.2%, Cartoony 19.1%, Physics 19%, 2D 8.9%
- #39 Roids
74% matchNo user reviews
Dev: Braymatter
Windows · Mac · Linux
Explore a unique, procedurally generated galaxy filled with alien artifacts and resources to extract and exploit. Mine asteroids, harvest nebula, pilot unique ships and find new and strange things in the void between stars as you struggle to survive long enough to find another home.
Why similar: Space Sim 53.4% ★, Aliens 18.6%, Exploration 11.1%, Casual 10.6%, Physics 6.4%
- #40 Boötes
73% 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 84.2% ★, Exploration 14.5%, Singleplayer 1.3%
- #41 MomentumBall
72% match2 user reviews100% of 2 reviews2026
Dev: MSGGame
Windows
A physics-based action puzzle game focused on adjusting jump height and movement speed to solve challenges.
Why similar: Precision Platformer 57.9%, Physics 17.8%, Casual 17.4%, 2D 4.8%, Singleplayer 2.2%
- #42 Contraptions 3
73% match4 user reviews50% of 4 reviews2023
Dev: Moragami Co., LtdPub: Funbox Media Ltd
Windows
Contraptions 3 is a physics based puzzle game with a fun cartoony look and feel to it.
Why similar: Casual 29%, Aliens 22.5%, Cartoony 19.2%, Physics 18.9%, 2D 8.9%
- #43 Aircraft Infinity
72% match8 user reviews100% of 8 reviews2023
Dev: yEvolution Studio
Windows
We present you a fun simulation game in which you pilot an aircraft and have the mission to destroy parts of a large asteroid that has broken into millions of pieces and is heading towards Earth.
Why similar: Space Sim 71.4% ★, Casual 22.3%, 2D 5.3%, Singleplayer 1%
- #44 Asteroidc
71% match8 user reviews89% of 9 reviews2023
Dev: Filip Buzov
Windows
You're in control of a spaceship and your mission is to destroy as many asteroids as you can. Compete for the highest place on the Leaderboard.
Why similar: Space Sim 63.5% ★, Casual 21.7%, Aliens 13.9%, Singleplayer 0.8%
- #45 Among The Stars
71% matchNo user reviews2026
Dev: Hidden Universe Games
Windows
You find yourself in a distant galaxy full of merchants, diplomats, bandits and powerful factions. Explore unknown galaxies, trade, fight pirates or become one. Uncover mysteries and shape the universe!
Why similar: Space Sim 80.9% ★, Exploration 18.5%, Singleplayer 0.6%
- #46 GravBoost
69% match3 user reviews100% of 3 reviews2026
Dev: Emergent Dynamics Studio
Windows
In GravBoost, gravity is your greatest ally and your deadliest foe. Master the art of the gravitational slingshot to intercept orbital targets. Manage your fuel and time wisely in this physics-driven space sim where precision is the only way to survive the cosmic pull.
Why similar: Space Sim 71.1% ★, Physics 17%, Casual 6.4%, 2D 4.5%, Singleplayer 1%
- #47 V/V
71% matchNo user reviews2026
Dev: V-Games
Windows · Linux
A fast paced 2d Precision Platformer game where you must move dash and jump your way through platforms that begin to decay after you touch them.
Why similar: Precision Platformer 52.1%, Casual 28.5%, Physics 9.5%, 2D 8.7%, Singleplayer 1.2%
- #48 REAL MOON
68% matchMixed68% of 112 reviews2025
Dev: historia Inc.
Windows
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space Sim 81.9% ★, Exploration 16.5%, Singleplayer 1.6%
- #49 History of Space
70% 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 71.4% ★, Casual 14%, Exploration 13.9%, Singleplayer 0.7%
- #50 Spacelane Express
69% matchNo user reviews50% of 2 reviews2025
Dev: ChooonPub: Self
Windows
A cozy space-trucking game about hauling cargo, docking at industrial stations, and cruising between planets at your own pace. Take on delivery contracts, manage your ship, and enjoy the quiet life of an interstellar transport pilot.
Why similar: Space Sim 82.8% ★, Exploration 16.1%, Singleplayer 1.1%
- #51 Space Zone
70% match3 user reviews33% of 3 reviews2024
Dev: Astroviz
Windows
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Why similar: Space Sim 82.7% ★, Exploration 16%, Singleplayer 1.3%
- #52 Roving Rovers - Australian Rover Challenge 2025
68% match3 user reviews75% of 4 reviews2025
Dev: Mini Mammoth Games
Windows
Ensure the moon is safe for man's inevitable lunar habitat. Drive and interact as a Lunar Rover with crashed ships, the natural resources and explore the nearby landscape to determine the suitability!
Why similar: Space Sim 64.6% ★, Physics 12.8%, Casual 12%, Exploration 10.4%, Singleplayer 0.2%
- #53 SimpleRockets
70% matchVery Positive85% of 363 reviews2015
Dev: Jundroo, LLC
Windows · Mac
Median: 5.4 hrsMean: 6.7 hrs≥1hr: 96%
I am excited to release my first game on Steam! SimpleRockets was released in 2013 for mobile and I've put a ton of work into it to get it ready for PC and Mac. It was inspired by KSP, and it offers a simpler 2D experience for building rockets and exploring space with realistic orbital mechanics.
Why similar: Space Sim 77.8% ★, Physics 17.2%, 2D 5%
- #54 Astro Tanto
68% 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 70.5% ★, Casual 22.3%, Physics 7.2%
- #55 100 Cats Lost In Space Find & Color
67% match4 user reviews100% of 4 reviews2026
Dev: Two Cats Games
Windows
🐱🚀 Find 1,200 hidden cats across 12 cosmic maps 🌌. Relax with guided color-by-numbers 🎨. Play solo or online co-op 👯♂️, while Meow FM 🎶 sets the galactic mood.
Why similar: Space Sim 53.8% ★, Exploration 12.8%, Hand-drawn 11.1%, Casual 8.8%, Aliens 7.7%
- #56 Helium Rain
69% matchMostly Positive79% of 324 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 8.7 hrs≥1hr: 74%
Trade your wares and eliminate the competition in a cutthroat world. Buy new ships and stations to mine and haul resources. Explore the vast emptiness of space.
Why similar: Space Sim 88.6% ★, Exploration 11.4%
- #57 KOV
67% match4 user reviews75% of 4 reviews2023
Dev: FriyingPan
Windows
¿Podrás encontrar la manera de alimentar a los planetas vivientes y evitar su destrucción inminente? Enfréntate a los furtivos, sortea la vigilancia de la policía y desata el potencial de tu nave mientras te sumerges en una narrativa épica y te llevará más allá de las fronteras de lo conocido.
Why similar: Space Sim 82.8% ★, Exploration 16.1%, Singleplayer 1.1%
- #58 Defense of the Earth
67% matchNo user reviews
Dev: 铖心
Windows
A【Pixel style, rouge、type horizontal、 shooting、 defense 】 game
Why similar: Space Sim 65% ★, Aliens 15.8%, Casual 13.6%, 2D 5.3%, Singleplayer 0.3%
- #59 Startenders: Intergalactic Bartending
66% matchVery Positive87% of 54 reviews2024
Dev: Foggy Box GamesPub: Yogscast Games
Windows
Prepare for your unexpected enrollment into the Startenders Academy. Your goal is to create bizarre beverages for colourful customers in the hope that no one notices you haven’t the slightest clue what’s going on.
Why similar: Space Sim 59.6% ★, Aliens 17.1%, Casual 15.4%, Physics 7%, Singleplayer 1%
- #60 Foreign Galaxies
67% 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 66.5% ★, Casual 20.3%, Exploration 12.5%, Singleplayer 0.6%