- #1 Kerbal Space Program
97% matchOverwhelmingly Positive95% of 141,003 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.4 hrsMean: 65.8 hrs≥1hr: 84%
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Why similar: Space 56.2%, Simulation 15.9%, Sandbox 12.8%, Open World 5.9%, Funny 4.1%
Why You'll Like It: The definitive NASA-inspired physics simulation that rewards scientific experimentation and orbital mechanics.
- #2 Space Engineers
96% matchVery Positive89% of 133,721 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.0 hrs≥1hr: 88%
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
Why similar: Space 32%, Multiplayer 14.1%, Simulation 10.6%, Open World 10.3%, Co-op 10%
Why You'll Like It: Offers deep, physics-based construction and base-building mechanics in a space environment.
- #3 Space Station 14
96% matchNo user reviews
Dev: Space Wizards Federation
Windows · Mac · Linux
Disasters, enemies, and incompetence conspire to make each shift aboard the station a unique and hellish experience. Sign up today to explore intricate game mechanics and enjoy limitless player interaction! (Nanotrasen Inc. is not responsible for injury, death, or worse).
Why similar: Space 38.9%, Multiplayer 18%, Simulation 16.5%, Sandbox 9.4%, Co-op 8.9%
Why You'll Like It: A free-to-play, chaotic social simulation that perfectly captures the unpredictable, high-stakes multiplayer humor found in Moonbase Alpha.
- #4 ASTRONEER
95% matchVery Positive92% of 137,959 reviews2019
Dev: System Era Softworks
Windows
Median: 11.5 hrsMean: 44.2 hrs≥1hr: 87%
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Why similar: Space 40.4%, Multiplayer 18.3%, Open World 13.2%, Co-op 9.5%, Sandbox 8.7%
Why You'll Like It: A colorful, cooperative exploration game focused on base building and resource management on alien planets.
- #5 PULSAR: Lost Colony
94% matchVery Positive90% of 5,710 reviews2021
Dev: Leafy Games
Windows · Mac · Linux
Median: 7.5 hrsMean: 16.7 hrs≥1hr: 88%
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits
Why similar: Space 32.9%, Multiplayer 14%, Online Co-Op 13.6%, Simulation 11.6%, Open World 11.3%
Why You'll Like It: A cooperative space-sim that requires players to work together to operate a starship's complex systems.
- #6 Barotrauma
93% matchVery Positive94% of 86,224 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 54.8 hrs≥1hr: 91%
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
Why similar: Multiplayer 40.4%, Co-op 32%, Simulation 18.9%, Strategy 8%, Singleplayer 0.8%
Why You'll Like It: A cooperative, high-pressure simulation where teamwork and managing complex ship systems are essential to survival.
- #7 Take On Mars
94% matchMixed55% of 2,030 reviews2017
Dev: Bohemia Interactive
Windows
Median: 3.0 hrsMean: 10.8 hrs≥1hr: 87%
Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.
Why similar: Space 47.3%, Simulation 18.5%, Multiplayer 11.7%, Sandbox 7.1%, Co-op 5%
Why You'll Like It: A realistic simulation focused on the technical challenges of exploring and surviving on the Martian surface.
- #8 Stationeers
92% matchVery Positive88% of 9,014 reviews2017
Dev: RocketWerkz
Windows
Median: 10.2 hrsMean: 83.9 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Space 49.3%, Multiplayer 21%, Sandbox 14.9%, Co-op 14.7%
Why You'll Like It: A hardcore simulation game that demands precise management of atmospheric, electrical, and logic systems in space.
- #9 Deliver Us The Moon
91% matchVery Positive88% of 9,301 reviews2019
Dev: KeokeN InteractivePub: Wired Productions
Windows
Median: 4.4 hrsMean: 5.5 hrs≥1hr: 88%
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: Space 66.4%, Adventure 10.2%, Walking Simulator 6.6%, Simulation 6.1%, Multiplayer 4.6%
Why You'll Like It: An atmospheric, narrative-driven adventure that captures the lonely, technical feel of lunar exploration.
- #10 Deep Rock Galactic
91% matchOverwhelmingly Positive97% of 375,989 reviews2020
Dev: Ghost Ship GamesPub: Coffee Stain Publishing
Windows
Median: 14.2 hrsMean: 76.0 hrs≥1hr: 94%
Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!
Why similar: Space 60.6%, Co-op 33%, First-Person 6.4%
Why You'll Like It: Combines cooperative mining and exploration with a strong sense of humor and community-driven memes.
- #11 Occupy Mars: The Game
89% matchMostly Positive70% of 3,070 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.4 hrsMean: 34.4 hrs≥1hr: 78%
Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.
Why similar: Space 32.8%, Online Co-Op 16.7%, Open World 11.6%, Simulation 11.1%, Sandbox 10.4%
Why You'll Like It: A detailed survival and base-building simulation focused on the specific challenges of colonizing Mars.
- #12 Empyrion - Galactic Survival
89% matchMostly Positive79% of 34,194 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.8 hrs≥1hr: 77%
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Why similar: Space 35.6%, Simulation 13.2%, Multiplayer 13%, Co-op 12.4%, Open World 11%
Why You'll Like It: A comprehensive space survival game featuring ship construction, base building, and planetary exploration.
- #13 Spacebase DF-9
90% matchOverwhelmingly Negative18% of 4,327 reviews2014
Dev: Double Fine Productions
Windows · Mac · Linux
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 90%
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.
Why similar: Space 57.3%, Simulation 21.1%, Sandbox 10.8%, Strategy 8.3%, Comedy 2%
Why You'll Like It: A classic base-management simulation set in space that challenges players to keep their colony functioning.
- #14 Kerbal Space Program 2
88% matchMostly Negative26% of 31,673 reviews2023
Dev: Intercept GamesPub: Private Division
Windows
Median: 7.7 hrsMean: 19.3 hrs≥1hr: 86%
Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.
Why similar: Space 40.2%, Sandbox 11.7%, Simulation 11.1%, Open World 10.4%, Funny 9.3%
Why You'll Like It: Expands on the original physics-based space simulation with improved building tools and interstellar travel.
- #15 REAL MOON
85% matchMixed68% of 114 reviews2025
Dev: historia Inc.
Windows
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
Why similar: Space 46.3%, Simulation 28.6%, Open World 12.3%, Third Person 8.4%, Adventure 3.5%
Why You'll Like It: A simulation-focused exploration game that aims to replicate the lunar surface with high fidelity.
- #16 Satisfactory
83% matchOverwhelmingly Positive97% of 270,461 reviews2024
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows
Median: 32.6 hrsMean: 110.0 hrs≥1hr: 94%
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
Why similar: Multiplayer 27.4%, Open World 21.1%, Co-op 17.9%, Sandbox 14.6%, Simulation 8.8%
Why You'll Like It: Focuses on the complex logistics and automation of building a massive industrial base on an alien world.
- #17 No Man's Sky
86% matchVery Positive85% of 406,987 reviews2016
Dev: Hello Games
Windows · Mac
Median: 20.2 hrsMean: 70.4 hrs≥1hr: 94%
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Why similar: Space 50%, Open World 17.1%, Multiplayer 14.2%, Sandbox 8.5%, Simulation 3.8%
Why You'll Like It: Provides a vast, multiplayer-supported sandbox for space exploration, base building, and resource gathering.
- #18 Startopia
86% matchVery Positive90% of 964 reviews2013
Dev: My Little Planet Ltd
Windows
Median: 30 minMean: 9.0 hrs≥1hr: 39%
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Why similar: Space 35.8%, Simulation 15.8%, Multiplayer 12.2%, Funny 11.6%, Sandbox 9%
Why You'll Like It: A humorous management game where you oversee the operations of a space station for various alien species.
- #19 MOON BASE
84% matchMixed59% of 85 reviews2021
Dev: Rossiya Segodnya
Windows
In this project you can become an astronaut on the first moon base in human history. You can drive a rover, do some jobs with drilling devices, figure out how solar panels work and walk on the moon surface.
Why similar: Space 67.5%, Simulation 31.3%, Singleplayer 1.1%
Why You'll Like It: A VR-focused simulation that provides an immersive, casual look at futuristic lunar colonization.
- #20 ICARUS
82% matchMostly Positive74% of 63,962 reviews2021
Dev: RocketWerkz
Windows
Median: 10.2 hrsMean: 46.0 hrs≥1hr: 88%
ICARUS is a solo or multiplayer PvE survival game. Explore a savage wilderness in the aftermath of terraforming gone wrong. Complete narrative quests as either Open World operations or Individual Missions. Explore, build, craft and hunt while seeking your fortune and prospecting for exotic matter.
Why similar: Space 22.5%, Online Co-Op 20.5%, Multiplayer 18.4%, Open World 10.7%, Co-op 9.3%
Why You'll Like It: A session-based survival game that emphasizes mission-driven objectives and high-stakes resource management.
- #21 IMPACT
81% matchMixed56% of 61 reviews2024
Dev: Hochschule Darmstadt
Windows
IMPACT is an immersive sci-fi game set on the Moon. Build and manage a lunar base, generating valuable scientific data along the way. This data is used by the European Space Agency to train a real AI that will eventually land on the Moon.
Why similar: Space 83.4%, Strategy 16.6%
Why You'll Like It: A colony simulation game that focuses on the strategic planning and exploration required to survive in space.
- #22 Star Trek Online
82% matchMostly Positive79% of 21,049 reviews2012
Dev: Cryptic StudiosPub: Arc Games
Windows
Median: 6.8 hrsMean: 132.8 hrs≥1hr: 84%
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.
Why similar: Space 47.5%, Massively Multiplayer 14.9%, Multiplayer 11.1%, Open World 9.4%, Online Co-Op 6.6%
Why You'll Like It: A massive multiplayer experience that allows players to command their own starship in a sci-fi universe.
- #23 Garry's Mod
79% matchOverwhelmingly Positive97% of 1,237,980 reviews2006
Dev: Facepunch StudiosPub: Valve
Windows · Mac · Linux
Median: 25.5 hrsMean: 286.6 hrs≥1hr: 94%
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Why similar: Online Co-Op 19%, Multiplayer 17.2%, Sandbox 14.9%, Simulation 11.4%, Co-op 10.8%
Why You'll Like It: The ultimate sandbox physics engine that shares the same chaotic, meme-friendly DNA as Moonbase Alpha.
- #24 MoonMiners
76% matchVery Positive92% of 215 reviews2025
Dev: MIROWINPub: PM Studio
Windows
MoonMiners is a cooperative survival simulator of miners in space, in an alternative dystopian future. You take on the role of space miners working for an evil corporation far from home, and it will be much easier for you to die than to do your job.
Why similar: Space 30.5%, Online Co-Op 17.5%, Multiplayer 12.6%, Simulation 10.5%, Co-op 10.1%
- #25 SCP: Secret Laboratory
78% matchVery Positive91% of 230,305 reviews2017
Dev: Northwood Studios
Windows
Median: 2.0 hrsMean: 46.0 hrs≥1hr: 65%
Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape.
Why similar: Multiplayer 33.5%, Memes 20.9%, Online Co-Op 20.7%, Co-op 15.7%, First-Person 4.7%
Why You'll Like It: A free-to-play multiplayer game known for its chaotic social interactions and emergent, funny gameplay moments.
- #26 Mars Colony:Challenger
81% matchMixed65% of 119 reviews2014
Dev: HyperKat Games
Windows
Mars Colony: Challenger is a 3D first / third person game that offers you the challenge of setting up a remote base on the surface of Mars. At its core, the game was derived from a simulator where everything is interactively tied together.
Why similar: Space 55.7%, Simulation 37.8%, Adventure 6.5%
Why You'll Like It: An indie simulation title that explores the logistical hurdles of maintaining a remote Martian outpost.
- #27 MoonBase Commander
79% matchVery Positive89% of 180 reviews2014
Dev: Humongous EntertainmentPub: Rebellion
Windows
Median: 2.9 hrsMean: 4.7 hrs≥1hr: 94%
Explore. Strategize. Conquer.In the far future, Mankind has nearly exhausted all of earth’s natural resources. Fragile alliances between nations are tested to their limits as fierce wars ignite across land and space.MoonBase Commander puts you in charge of your own lunar territory in a quest to build the most powerful empire in space.
Why similar: Strategy 100%
Why You'll Like It: A classic turn-based strategy game that focuses on base expansion and resource control on the moon.
- #28 Colony On Mars
80% matchMostly Negative25% of 55 reviews2018
Dev: Nikita "Ghost_RUS"Pub: Ghost_RUS Games
Windows
Median: 30 minMean: 4.4 hrs≥1hr: 21%
You play as an astronaut in a colony on Mars and you need to upgrade your colony, build new constructions and collect resources
Why similar: Simulation 65.2%, Strategy 34.8%
Why You'll Like It: A straightforward base-building simulation that tasks players with establishing a sustainable habitat on Mars.
- #29 Star Conflict
78% matchMostly Positive73% of 15,162 reviews2013
Dev: Star Gem Inc.Pub: Gaijin Network Ltd
Windows · Mac · Linux
Median: 2.0 hrsMean: 34.5 hrs≥1hr: 62%
Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!
Why similar: Online Co-Op 34.3%, Open World 19.6%, Massively Multiplayer 18.5%, Sandbox 17.5%, Third Person 10.1%
Why You'll Like It: A free-to-play space combat game that features large-scale multiplayer battles and ship customization.
- #30 Toribash
77% matchVery Positive88% of 16,807 reviews2014
Dev: Nabi StudiosPub: Nicalis, Inc.
Windows · Mac · Linux
Median: 1.0 hrsMean: 7.8 hrs≥1hr: 51%
Toribash is an innovative free-to-play online turn-based fighting game where you’re able to design your own moves. Complete control over character's body, hundreds of game mods and bloody mess with full body dismemberment - you've never been able to annihilate your enemies like that before!
Why similar: Multiplayer 41.2%, Simulation 15.1%, Funny 14.7%, Sandbox 11.7%, Strategy 11.2%
- #31 Utopia Colony
73% matchMixed67% of 109 reviews2026
Dev: GridSky Software
Windows
The year is 2033. You, an ex-Marine with little opportunities left, have signed up with Utopia Arura, a large mining corporation on Mars. They have sent you to a location they have proposed but you have chosen for mining. Everything else is up to you.
Why similar: Space 63.9%, Simulation 15.6%, Strategy 8.2%, Third Person 7.3%, Adventure 4.9%
- #32 Anarchy Arcade
77% matchMixed68% of 2,205 reviews2014
Dev: Elijah Newman-Gomez
Windows
Median: 36 minMean: 42.7 hrs≥1hr: 32%
Turn your entire digital life into a game. AArcade is a 3D desktop that launches shortcuts to absolutely anything you like. Join the anarchy of the persistent online metaverse, or remain in your own private reality. Casual in-game building features, plus hundreds of thousands of addons.
Why similar: Multiplayer 28.4%, Sandbox 22.4%, Simulation 18.2%, Funny 10%, Co-op 7%
- #33 Gear Up
76% matchMostly Positive75% of 8,351 reviews2015
Dev: Doctor Entertainment AB
Windows · Mac · Linux
Median: 1.0 hrsMean: 7.1 hrs≥1hr: 50%
Feel the adrenaline as you control your unique tank in multiplayer arcade action! Build your ultimate war machine from over a million different combinations. Now, will you go for the rumbling caterpillar tracks or the crawling spider legs?
Why similar: Multiplayer 42%, Massively Multiplayer 11.6%, Sandbox 11.4%, Open World 7.9%, Third Person 7.4%
- #34 Double Action: Boogaloo
75% matchVery Positive93% of 11,407 reviews2014
Dev: Double Action Factory
Windows
Median: 1.1 hrsMean: 4.6 hrs≥1hr: 53%
Double Action is a free stylish multiplayer game about diving, flipping, and sliding your way into action movie mayhem.
Why similar: Multiplayer 41.8%, Open World 12.8%, Online Co-Op 11.7%, Funny 11.2%, Co-op 10.3%
- #35 Elite Dangerous
74% matchMostly Positive77% of 105,919 reviews2015
Dev: Frontier Developments
Windows
Median: 18.3 hrsMean: 147.5 hrs≥1hr: 89%
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Why similar: Space 42.6%, Open World 12.1%, Multiplayer 10.2%, Simulation 9.2%, Massively Multiplayer 8.3%
- #36 Istrolid
73% matchVery Positive87% of 2,693 reviews2016
Dev: treeform
Windows · Mac · Linux
Median: 1.0 hrsMean: 10.9 hrs≥1hr: 50%
In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
Why similar: Space 56.5%, Multiplayer 21.5%, Strategy 12.2%, Sandbox 9.2%, Singleplayer 0.6%
- #37 StarMade
74% matchMixed68% of 2,982 reviews2014
Dev: Schine GmbH
Windows · Mac · Linux
Median: 1.3 hrsMean: 18.8 hrs≥1hr: 54%
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Why similar: Space 47.3%, Multiplayer 12.8%, Sandbox 12.2%, Open World 10.7%, Simulation 5.7%
- #38 Moon Journey - China's Lunar Exploration Digital Museum
69% matchVery Positive90% of 59 reviews2025
Dev: 郝锐昌工作室
Windows
"Journey to the Moon" is an interactive game that combines lunar exploration with art, culture and science popularization. The core of its development is "space life is coming eventually".
Why similar: Space 52.4%, Simulation 16.6%, Third Person 9.7%, Strategy 9.5%, Adventure 5.4%
- #39 Hand Simulator
71% matchVery Positive84% of 36,440 reviews2017
Dev: HFM Games
Windows
Median: 2.2 hrsMean: 5.4 hrs≥1hr: 73%
There are many different levels where you can play with spinners, plunge into the subtleties of handling weapons, milk a cow, take part in a Mexican duel with your friends, have a good time fishing, play chess or simply chat in an anonymous club.
Why similar: Memes 26.6%, Multiplayer 22.6%, Simulation 21.2%, Funny 16.5%, Comedy 6.6%
- #40 Boring Man - Online Tactical Stickman Combat
72% matchVery Positive88% of 5,455 reviews2015
Dev: Spasman Games
Windows · Linux
Median: 48 minMean: 7.2 hrs≥1hr: 46%
Battle other 2D stickfigures online while jumping around like a lunatic and getting blown up into smithereens. With over 70 weapons, Boring Man is the most chaotic and hilarious 2D online shooter on the internet.
Why similar: Multiplayer 41.9%, Co-op 25.4%, Funny 23.8%, Massively Multiplayer 8.8%
- #41 Starbound
70% matchVery Positive90% of 122,999 reviews2016
Dev: Chucklefish
Windows · Mac · Linux
Median: 17.1 hrsMean: 64.2 hrs≥1hr: 91%
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
Why similar: Space 33.7%, Online Co-Op 17.2%, Sandbox 14.7%, Multiplayer 13.4%, Open World 9.7%
- #42 Blockland
72% matchMostly Positive73% of 5,537 reviews2013
Dev: Eric HartmanPub: Step 1 Games LLC
Windows
Median: 1.7 hrsMean: 21.7 hrs≥1hr: 64%
Blockland is a non-linear sandbox game with no set goals, giving players the freedom to design and construct elaborate structures. Styled as a tiny minifigure, players build inside of the virtual world using bricks reminiscent of toy blocks.
Why similar: Multiplayer 27.8%, Sandbox 25.2%, Open World 16.1%, Funny 9.1%, Co-op 8.1%
- #43 Planetbase
71% matchMostly Positive80% of 10,320 reviews2015
Dev: Madruga Works
Windows · Mac
Median: 8.2 hrsMean: 26.2 hrs≥1hr: 90%
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Why similar: Space 64.7%, Simulation 11.9%, Strategy 10.5%, Open World 5.8%, Sandbox 5.7%
- #44 Space Simulator
73% matchMostly Negative36% of 162 reviews2018
Dev: Stuka Games IncPub: Brixton Dynamics Ltd
Windows
Realistic simulation of spaceflight in a full sized Solar System, with all the planets and their major moons. using real forces, distances, velocities and time. Chapter 1: The Apollo Days. Incredibly detailed Apollo Program missions starting with Apollo 8 lunar orbit missions.
Why similar: Space 63.5%, Simulation 36.5%
- #45 Learn to Fly 3
70% matchVery Positive95% of 11,094 reviews2017
Dev: Light Bringer Games inc.
Windows
Median: 2.2 hrsMean: 7.6 hrs≥1hr: 71%
Build your spaceship from scratch, earn funds and invest them into building a bigger, better spaceship as you try and fly your way up to space!
Why similar: Space 46.6%, Simulation 20.5%, Sandbox 16.9%, Strategy 10.2%, Puzzle 4.4%
- #46 SPORE™ Galactic Adventures
71% matchVery Positive89% of 7,637 reviews2009
Dev: EA - MaxisPub: Electronic Arts
Windows
Median: 3.4 hrsMean: 36.7 hrs≥1hr: 66%
Take Your Creature From Zero To Galactic HeroGet out of your starship and turn your Spore creatures into legendary Space Captains. For the first time, beam down with your allies to take on action-packed, planetside adventures. Complete quests, collect rewards, and even create your own missions.
Why similar: Space 39.6%, Simulation 18.1%, Open World 10.9%, Sandbox 9.1%, Multiplayer 7.1%
- #47 StarbaseSim
66% matchVery Positive97% of 59 reviews2025
Dev: AshtorakSimGames
Windows · Linux
Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.
Why similar: Space 27.5%, Simulation 19.9%, Sandbox 15.1%, Realistic 8.7%, Open World 7.5%
- #48 Spacebase Startopia
70% matchMixed56% of 650 reviews2021
Dev: Realmforge StudiosPub: Kalypso Media
Windows · Mac · Linux
Median: 3.4 hrsMean: 5.8 hrs≥1hr: 88%
Spacebase Startopia captivates with its original mixture of economic simulation and empire building strategy paired with classic RTS skirmishes and a good dose of humor.
Why similar: Space 36.3%, Simulation 16.3%, Multiplayer 11.3%, Strategy 9.2%, Sandbox 8.1%
- #49 Astro Colony
67% matchVery Positive82% of 2,526 reviews2022
Dev: Terad Games
Windows
Median: 4.5 hrsMean: 16.3 hrs≥1hr: 78%
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Why similar: Space 42%, Multiplayer 16.5%, Simulation 12.4%, Open World 8.9%, Sandbox 8.5%
- #50 Space Engineers 2
65% matchMostly Positive76% of 4,590 reviews2025
Dev: Keen Software House
Windows
Median: 1.4 hrsMean: 7.9 hrs≥1hr: 60%
Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.
Why similar: Space 43.7%, Sandbox 13.8%, Simulation 13.8%, Open World 12.9%, Realistic 8.4%
- #51 ISS Simulator
66% matchMostly Positive79% of 94 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: Simulation 30.6%, Space 28%, Walking Simulator 24.5%, Realistic 7%, Third Person 6.2%
- #52 Lifeless Moon
66% matchMostly Positive79% of 309 reviews2023
Dev: Serenity Forge
Windows
During an expedition to the Moon, two astronauts find themselves in a familiar town back on Earth. They soon discover the town is the beginning of a strange and mysterious journey...
Why similar: Space 52.1%, Walking Simulator 20.6%, Realistic 9.7%, Third Person 8.4%, Adventure 4.8%
- #53 Fistful of Frags
67% matchVery Positive91% of 36,793 reviews2014
Dev: Fistful of Frags Team
Windows · Mac · Linux
Median: 1.8 hrsMean: 10.1 hrs≥1hr: 64%
Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry.
Why similar: Online Co-Op 20.8%, Multiplayer 16.6%, Simulation 12.7%, Co-op 11.9%, Massively Multiplayer 11.5%
- #54 Sven Co-op
67% matchVery Positive94% of 32,263 reviews2016
Dev: Sven Co-op team
Windows · Linux
Median: 2.2 hrsMean: 24.4 hrs≥1hr: 69%
Sven Co-op is a co-operative game originally based around Valve Software's Half-Life. In this game players must work together against computer controlled enemies and solve puzzles as a team.
Why similar: Online Co-Op 37.8%, Co-op 21.9%, Multiplayer 18.7%, Third Person 10.8%, First-Person 6%
- #55 Spiral Knights
68% matchVery Positive84% of 24,051 reviews2011
Dev: Grey Havens
Windows · Mac
Median: 2.0 hrsMean: 46.7 hrs≥1hr: 70%
Join the ranks of the Spiral Knights. Stranded on an alien world, you must explore the ever-changing Clockworks beneath its surface.
Why similar: Online Co-Op 30.5%, Multiplayer 24.9%, Massively Multiplayer 20.9%, Co-op 11%, Adventure 6.3%