- #1 Void Crew
97% matchVery Positive86% of 8,426 reviews2024
Dev: Hutlihut GamesPub: Focus Entertainment
Windows
Median: 9.2 hrsMean: 16.8 hrs≥1hr: 94%
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!
Why similar: Space Sim 45.7%, Co-op 13.6%, Multiplayer 10.2%, Simulation 5.8%, Futuristic 5.3%
- #2 Mars First Logistics
96% matchVery Positive95% of 3,744 reviews2025
Dev: Shape Shop
Windows
Median: 4.2 hrsMean: 10.4 hrs≥1hr: 80%
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
Why similar: Space Sim 26.2%, Co-op 12.4%, Sandbox 12.4%, Stylized 8.9%, Funny 6.9%
- #3 Avorion
96% matchVery Positive90% of 14,549 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.8 hrsMean: 99.5 hrs≥1hr: 90%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Space Sim 37.7%, Flight 22.8%, Sandbox 16.7%, Open World 6.6%, Exploration 6.4%
- #4 Cosmoteer: Starship Architect & Commander
95% matchVery Positive94% of 12,820 reviews2022
Dev: Walternate Realities
Windows
Median: 19.2 hrsMean: 41.1 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space Sim 55.5%, Multiplayer 12.3%, Simulation 9.2%, Exploration 9.1%, Adventure 5.9%
- #5 Aviassembly
94% matchOverwhelmingly Positive97% of 9,371 reviews2025
Dev: Jelle Booij
Windows
Median: 6.2 hrsMean: 7.4 hrs≥1hr: 82%
Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.
Why similar: Flight 37.8%, Sandbox 25.6%, Exploration 8.3%, Open World 7.6%, Simulation 7.2%
- #6 PULSAR: Lost Colony
94% matchVery Positive90% of 5,732 reviews2021
Dev: Leafy Games
Windows · Mac · Linux
Median: 7.3 hrsMean: 16.7 hrs≥1hr: 87%
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 Sim 45%, Co-op 12.6%, Multiplayer 9.1%, Open World 8.2%, Simulation 8%
- #7 Ostranauts
93% matchMostly Positive78% of 3,152 reviews2026
Dev: Blue Bottle GamesPub: Kitfox Games
Windows
Median: 6.2 hrsMean: 32.0 hrs≥1hr: 72%
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
Why similar: Space Sim 37.3%, Flight 24.4%, Sandbox 16.3%, Simulation 6.9%, Exploration 6.1%
- #8 Scrap Mechanic
92% matchVery Positive92% of 122,134 reviews2026
Dev: Axolot Games
Windows
Median: 11.4 hrsMean: 64.5 hrs≥1hr: 91%
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
Why similar: Sandbox 30.1%, Multiplayer 15.4%, Open World 12.4%, Co-op 12.4%, Funny 10%
- #9 Starship EVO
91% matchVery Positive84% of 1,522 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.6 hrsMean: 6.4 hrs≥1hr: 58%
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Why similar: Space Sim 34.6%, Sandbox 25.2%, Simulation 13.9%, Adventure 8.3%, Multiplayer 6.9%
- #10 Trailmakers
91% matchVery Positive92% of 38,735 reviews2019
Dev: Flashbulb
Windows
Median: 3.9 hrsMean: 15.5 hrs≥1hr: 86%
Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.
Why similar: Flight 39.3%, Sandbox 21.7%, Multiplayer 11.1%, Open World 8.9%, Adventure 8.5%
- #11 Kerbal Space Program
89% matchOverwhelmingly Positive96% of 146,254 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.4 hrsMean: 66.1 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 Sim 45.9%, Sandbox 25.7%, Simulation 12%, Funny 5.1%, Open World 4.7%
- #12 Kerbal Space Program 2
90% matchMostly Negative26% of 31,953 reviews2023
Dev: Intercept GamesPub: Private Division
Windows
Median: 7.7 hrsMean: 19.4 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 Sim 35.6%, Sandbox 20.1%, Funny 9.9%, Exploration 7.6%, Simulation 7.1%
- #13 ASTRONEER
89% matchVery Positive92% of 139,015 reviews2019
Dev: System Era Softworks
Windows
Median: 11.5 hrsMean: 44.6 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: Sandbox 24.6%, Multiplayer 18.3%, Co-op 16.6%, Open World 14.7%, Exploration 11.2%
- #14 Jump Space
87% matchVery Positive85% of 12,088 reviews2025
Dev: Keepsake Games
Windows
Median: 6.3 hrsMean: 11.4 hrs≥1hr: 92%
Jump Space (formerly Jump Ship) is a mission based co-op PvE for 1-4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Explore, upgrade, and survive intense encounters in deep space together.
Why similar: Flight 35.1%, Co-op 19.2%, Multiplayer 13%, Exploration 10.2%, First-Person 9.9%
- #15 Empyrion - Galactic Survival
88% matchMostly Positive78% of 34,392 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.2 hrsMean: 77.1 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 Sim 37.5%, Sandbox 16.1%, Co-op 13.6%, Simulation 8.9%, Multiplayer 8.2%
- #16 Space Engineers
86% matchVery Positive89% of 134,313 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.4 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 Sim 39.2%, Sandbox 17.5%, Co-op 11.3%, Multiplayer 9.2%, Open World 7.4%
- #17 Astronimo
86% matchVery Positive84% of 85 reviews2023
Dev: Coatsink
Windows
Crash-landed and ill-prepared, you and your friends must build, break, and rebuild to escape. A chaotic co-op puzzler about creativity, comedy, and questionable engineering.
Why similar: Sandbox 32.7%, Simulation 25.9%, Futuristic 17.1%, Exploration 12.9%, Adventure 11.3%
- #18 SpaceKraft!
84% matchVery Positive91% of 97 reviews2024
Dev: Game Dev Garage
Windows
Gather crystals, repair/run crafting facilities, upgrade your spaceship, build machines, explore the open world, find your way back to mother earth.
Why similar: Space Sim 35.8%, Flight 18.8%, Sandbox 15.5%, Simulation 6.6%, Stylized 6%
- #19 Heavenly Bodies
84% matchOverwhelmingly Positive95% of 4,499 reviews2021
Dev: 2pt Interactive
Windows · Mac
Median: 2.5 hrsMean: 5.4 hrs≥1hr: 72%
Wrangle the hands and arms of a 1970s space cosmonaut and push, pull and twist your way through an increasingly precarious range of physically simulated stellar scenarios, where without gravity, nothing is still, nothing is secure, and nothing is simple.
Why similar: Co-op 21.6%, Simulation 15.3%, Stylized 14.5%, Funny 14.4%, Adventure 9.9%
- #20 Interstellar Rift
85% matchMixed68% of 1,666 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.1 hrs≥1hr: 83%
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Why similar: Space Sim 41.9%, Sandbox 16.6%, Open World 7.6%, Exploration 6.6%, Simulation 5.8%
- #21 SpaceCraft
83% matchMixed65% of 2,687 reviews2026
Dev: Shiro Games
Windows
Median: 13.4 hrsMean: 47.3 hrs≥1hr: 91%
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
Why similar: Space Sim 35.4%, Sandbox 16.7%, Multiplayer 8.9%, Co-op 8.4%, Open World 7.4%
- #22 Go Ape Ship!
82% matchMixed44% of 453 reviews2026
Dev: Sound Games
Windows · Mac
Go Ape Ship! is a frantic co-op multiplayer game for one to eight players. Work with your crew of daring Astrochimps to master an expanding collection of tasks, respond to emergencies, unlock new rooms and upgrades for your spaceship, and safely reach the stars. Survive together. Or not at all.
Why similar: Co-op 33.1%, Multiplayer 25.5%, Funny 22.8%, Simulation 10.7%, 3D 7.9%
- #23 Spaceflight Simulator
81% matchOverwhelmingly Positive97% of 9,683 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 5.3 hrsMean: 15.2 hrs≥1hr: 83%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Space Sim 52.4%, Sandbox 24.2%, Simulation 9%, Exploration 7.4%, Open World 3.4%
- #24 Aloft
80% matchVery Positive84% of 3,682 reviews2025
Dev: Astrolabe Interactive Inc.Pub: Funcom
Windows
Median: 6.5 hrsMean: 14.3 hrs≥1hr: 90%
Soar the skies in Aloft, the co-op sandbox survival game set in a world of floating islands. Build any island into a skyship, your home in the clouds. Find lost knowledge, cure the fungal corruption, and brave the hurricane to restore the ecosystem.
Why similar: Sandbox 22.8%, Co-op 20%, Multiplayer 12.3%, Simulation 11.2%, Open World 9.8%
- #25 Space Impossible
82% matchVery Positive95% of 141 reviews2016
Dev: Happy Polygon
Windows · Mac · Linux
Take control of a fully destructible spaceship and explore, blast or trade your way through the cosmos, alone or with friends. Every tile matters, as you dogfight, maneuver or speed your way past friendly traders, hostile aliens, and impressive space navies. What will you do, Captain?
Why similar: Adventure 100%
- #26 Space Sprouts
78% matchVery Positive97% of 70 reviews2025
Dev: Schleuder Games
Windows · Mac
Launch into a chaotic spaceship adventure: bend the rules of physics, experiment with unusual gadgets and toss everything around. With each journey, you will have limited time to reveal the mysteries aboard your solar punk spaceship - how much will you discover before you arrive home?
Why similar: Space Sim 43.7%, Sandbox 19.7%, Funny 9.5%, Simulation 8.7%, Exploration 8.3%
- #27 Lodestar
79% matchMostly Positive72% of 78 reviews2023
Dev: Edenic Era LLC
Windows
Lodestar sends you and your squad of friends on your own space odyssey. Traverse multiple planets in a journey to get home without losing yourself or your ship to the perils of the unknown! Solve puzzles, gather resources, mine asteroids, and survive... with your own oh-so welcoming AI sidekick!
Why similar: Space Sim 48.6%, Co-op 12.5%, Multiplayer 11.7%, Exploration 8.3%, 3D 5.5%
- #28 Celestial Command
81% matchMixed62% of 704 reviews2014
Dev: Science Interactive
Windows · Linux
Median: 1.5 hrsMean: 6.3 hrs≥1hr: 62%
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Why similar: Space Sim 40.1%, Sandbox 29.5%, Simulation 18.7%, Adventure 7.8%, Open World 3.9%
- #29 Earth Analog
79% matchMixed66% of 112 reviews2021
Dev: Funcraft Games
Windows
In this relaxing space flight adventure, you pilot the science vessel Eurisko XI on a quest through deep space. Explore fascinating, fractal-based exoplanets and uncover their mysteries. Analyze artifacts and upgrade your ship to unlock new pathways. Your mission: find humanity’s new home.
Why similar: Space Sim 36.5%, Flight 21.8%, Simulation 7.5%, Procedural Generation 7.4%, Exploration 7.1%
- #30 Nimbatus - The Space Drone Constructor
78% matchMostly Positive79% of 2,164 reviews2020
Dev: Stray Fawn StudioPub: Stray Fawn Publishing
Windows · Mac · Linux
Median: 3.1 hrsMean: 5.1 hrs≥1hr: 84%
Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.
Why similar: Space Sim 52.8%, Sandbox 17.4%, Exploration 8.7%, Adventure 8.1%, Open World 7.1%
- #31 Breathedge
77% matchVery Positive81% of 17,661 reviews2021
Dev: RedRuins SoftworksPub: HypeTrain Digital
Windows
Median: 3.4 hrsMean: 8.2 hrs≥1hr: 80%
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.
Why similar: Sandbox 38.1%, First-Person 12.4%, Open World 10.3%, Adventure 8.8%, Exploration 8.1%
- #32 FixForce
75% matchVery Positive92% of 53 reviews2026
Dev: Surgent Studios
Windows
Leap, climb, and launch your friends in this chaotic co-op extraction platformer for up to 6 players! Use your drill-wrench to build your way across a vibrant post-apocalyptic world, find replacement parts, and fix broken machines. And if you lose your head, don’t worry: it’s all part of the job.
Why similar: Co-op 21.4%, Multiplayer 18.8%, Sandbox 18.8%, Exploration 11.6%, First-Person 9.7%
- #33 The Planet Crafter
74% matchOverwhelmingly Positive96% of 73,089 reviews2024
Dev: Miju Games
Windows
Median: 21.7 hrsMean: 38.5 hrs≥1hr: 92%
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
Why similar: Sandbox 29%, Co-op 24%, Open World 14.5%, Exploration 12.5%, First-Person 10.3%
- #34 Learn to Fly 3
76% matchVery Positive95% of 11,264 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: Flight 43.1%, Sandbox 33.5%, Simulation 15.3%, Puzzle 5.2%, Singleplayer 2.8%
- #35 Hazeron Starship
76% matchVery Positive83% of 105 reviews2023
Dev: Hazeron Freehold LLC
Windows · Linux
Explore and colonize a vast universe. Discover resources. Build cities. Make spacecraft. Walk aboard them. Operate their controls. Command a crew of NPCs. Lift off. Fly up through the atmosphere to outer space. Land on other worlds, anywhere, not at designated places. Build an empire.
Why similar: Flight 52.9%, Sandbox 31.5%, Exploration 15.6%
- #36 ADIOS Amigos: Galactic Explorers
77% matchVery Positive93% of 123 reviews2018
Dev: Cosmic Picnic
Windows
Median: 3.1 hrsMean: 4.2 hrs≥1hr: 71%
Improvise fuel efficient trajectories to keep your rusty ship running. Break into a space station with an asteroid. Tow a sofa into a black hole. Experience the perils and intrigue of space exploration with 1-4 players.
Why similar: Space Sim 65.4%, Funny 12.1%, Exploration 10.3%, Simulation 10.2%, Singleplayer 2%
- #37 StarbaseSim
75% matchVery Positive95% of 61 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 Sim 37.2%, Flight 23.4%, Sandbox 16.7%, Simulation 8.3%, First-Person 4.9%
- #38 STARSEEKER: Astroneer Expeditions
74% matchMixed58% of 868 reviews2026
Dev: System Era SoftworksPub: Devolver Digital
Windows
Join the ESS Starseeker crew to explore strange new worlds, working together with friends to complete planet-wide objectives before the station journeys on to new planetary destinations. Collect and unlock powerful tech to help the crew tackle the perils of space!
Why similar: Sandbox 23.9%, Multiplayer 16.6%, Adventure 13.6%, Exploration 12.7%, Stylized 10.1%
- #39 Underspace
73% matchVery Positive81% of 458 reviews2024
Dev: Pastaspace InteractivePub: Camlann Games
Windows
Median: 42 minMean: 5.1 hrs≥1hr: 44%
The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with mod support and PvP/co-op multiplayer. You're going to need a bigger ship.
Why similar: Space Sim 32.5%, Flight 26.2%, Sandbox 13.3%, Futuristic 7.3%, Open World 5.9%
- #40 The Orville - Interactive Fan Experience
73% matchVery Positive90% of 1,045 reviews2019
Dev: Messy Desk Interactive
Windows · Mac
Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!
Why similar: Space Sim 28.6%, Flight 24.1%, Sandbox 19.8%, Multiplayer 9.9%, Open World 7.4%
- #41 Chained Together
70% matchVery Positive90% of 63,535 reviews2024
Dev: Anegar GamesPub: Secret Mode
Windows
Median: 3.9 hrsMean: 7.6 hrs≥1hr: 89%
Climb up from the depths of Hell. Scale various worlds solo or chained together with your friends in the 1-4 player platforming sensation.
Why similar: Co-op 36.2%, Multiplayer 16.6%, Funny 16.1%, Simulation 11.3%, Adventure 10.3%
- #42 Snap Game
71% matchVery Positive83% of 53 reviews2026
Dev: BegulaPub: IQ GROUP
Windows · Mac · Linux
A chaotic multiplayer building game where creativity and teamwork collide. Build together, experiment freely, and see what wild ideas you and your friends can create.
Why similar: Sandbox 44.4%, Multiplayer 26%, Simulation 18.2%, 3D 9.6%, Singleplayer 1.8%
- #43 Volcanoids
72% matchVery Positive83% of 9,332 reviews2019
Dev: Volcanoid
Windows · Linux
Median: 3.9 hrsMean: 15.9 hrs≥1hr: 76%
A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.
Why similar: Sandbox 24.1%, Co-op 15.7%, Multiplayer 11%, Open World 9.5%, Exploration 9.3%
- #44 Space Trash Scavenger
71% matchVery Positive84% of 525 reviews2024
Dev: SquarePlay GamesPub: Paradox Arc
Windows
Median: 3.0 hrsMean: 9.0 hrs≥1hr: 76%
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
Why similar: Space Sim 32.9%, Sandbox 22.1%, Procedural Generation 10.6%, Open World 9.7%, Exploration 7.4%
- #45 Cargo! The Quest for Gravity
73% matchVery Positive81% of 451 reviews2011
Dev: Ice-Pick Lodge
Windows
Median: 48 minMean: 4.4 hrs≥1hr: 45%
Create crazy, yet functional, custom vehicles to solve missions with your own unique style!
Why similar: Sandbox 42.2%, Simulation 18.7%, Adventure 13.4%, Open World 9.2%, Exploration 7.2%
- #46 Satisfactory
67% matchOverwhelmingly Positive97% of 278,339 reviews2024
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows
Median: 33.2 hrsMean: 112.6 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: Sandbox 25.5%, Co-op 19.1%, Multiplayer 16.8%, Open World 14.5%, Exploration 8.1%
- #47 Rocket Science
71% matchVery Positive81% of 176 reviews2020
Dev: unbeGames
Windows
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.
Why similar: Space Sim 35.7%, Flight 22.8%, Sandbox 17.4%, Simulation 6.8%, Exploration 6.8%
- #48 Space Engineers 2
69% matchMostly Positive75% of 5,449 reviews2025
Dev: Keen Software House
Windows
Median: 1.9 hrsMean: 11.1 hrs≥1hr: 64%
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 Sim 41.8%, Sandbox 27.3%, Simulation 10.3%, Open World 10.1%, Exploration 8.6%
- #49 Voidtrain
68% matchMostly Positive74% of 9,810 reviews2025
Dev: HypeTrain Digital
Windows
Median: 8.5 hrsMean: 15.9 hrs≥1hr: 93%
Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.
Why similar: Co-op 19.7%, Sandbox 19.3%, Multiplayer 15%, Open World 10.4%, Exploration 7.9%
- #50 Reassembly
70% matchVery Positive94% of 4,094 reviews2015
Dev: Anisoptera GamesPub: Indie Voyage
Windows · Mac · Linux
Median: 5.0 hrsMean: 26.1 hrs≥1hr: 84%
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Why similar: Sandbox 68.8%, Open World 11.8%, Exploration 9.7%, Singleplayer 2.8%, Simulation 2.7%
- #51 Starbound
68% matchVery Positive90% of 123,281 reviews2016
Dev: Chucklefish
Windows · Mac · Linux
Median: 17.0 hrsMean: 64.4 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: Sandbox 40.8%, Co-op 13.7%, Multiplayer 13.2%, Open World 10.5%, Exploration 9.4%
- #52 Spacelines from the Far Out: Flight School
69% matchVery Positive83% of 254 reviews2022
Dev: CoffeenautsPub: Skystone Games
Windows · Mac · Linux
Median: 1.0 hrsMean: 4.6 hrs≥1hr: 51%
Spacelines from the Far Out: Flight School is all about getting you prepared to take on the task of running your own Spaceline before launch! Join up to 3 other people to take on the challenges and demands as you ferry people to their destination.
Why similar: Space Sim 47.7%, Procedural Generation 12.4%, Funny 12.2%, Multiplayer 10.4%, Futuristic 8.6%
- #53 From the Depths
68% matchVery Positive89% of 12,793 reviews2020
Dev: Brilliant Skies Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 40.7 hrs≥1hr: 81%
Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.
Why similar: Sandbox 55.2%, Multiplayer 25.8%, Simulation 18.9%
- #54 Don't Panic! It is Just Turbulence
67% matchMostly Positive73% of 453 reviews2026
Dev: Harmonia GamesPub: Aiolos Studios
Windows
Median: 1.9 hrsMean: 2.3 hrs≥1hr: 78%
A frantic co-op puzzle game where a Pilot and an Air Traffic Controller must communicate, decrypt, and improvise to save a failing aircraft. Talk fast, solve faster, and try not to crash.
Why similar: Co-op 33.2%, Funny 18.7%, Multiplayer 15.5%, Exploration 6.7%, Puzzle 6.7%
- #55 Starbase
69% matchMixed56% of 6,753 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.6 hrs≥1hr: 91%
Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.
Why similar: Space Sim 48.8%, Sandbox 19%, Open World 9.9%, Simulation 8.4%, Multiplayer 6.1%
- #56 AGOS - A Game Of Space
70% matchMixed63% of 104 reviews2020
Dev: Ubisoft
Windows
Explore unique star systems in AGOS: A Game of Space! Scavenge resources, face the danger of space and save humankind.
Why similar: Space Sim 53.4%, Flight 17.1%, Simulation 11.2%, Adventure 7.3%, Open World 5.5%
- #57 Next Space Rebels
67% matchVery Positive85% of 364 reviews2021
Dev: Studio Floris KaaykPub: Balor Games
Windows · Mac
Median: 4.0 hrsMean: 7.6 hrs≥1hr: 96%
SPACE IS FOR EVERYONE. In Next Space Rebels, you will develop from a naive rocket hobbyist into an experienced space activist by designing, building, and launching rockets of increasing complexity.
Why similar: Simulation 44.9%, Funny 23.2%, Sandbox 18.5%, Adventure 7.5%, Puzzle 3%
- #58 Stormworks: Build and Rescue
66% matchVery Positive91% of 59,745 reviews2020
Dev: Geometa
Windows · Mac
Median: 17.4 hrsMean: 113.5 hrs≥1hr: 91%
Join a world where you design, create and pilot your own air sea rescue service. Release your inner hero as you battle fierce storms out at sea to rescue those in need.
Why similar: Flight 37.9%, Sandbox 32.9%, Open World 11.9%, Exploration 9.2%, First-Person 8.1%
- #59 Kinetic Void
72% matchOverwhelmingly Negative17% of 1,558 reviews2014
Dev: Badland Studio
Windows · Mac · Linux
Median: 1.9 hrsMean: 3.7 hrs≥1hr: 76%
Kinetic Void is a 3D space adventure with a focus on customization and enjoyable space simulation. The shipyard allows players to construct their ship piece by piece. Ships can be as simplistic as a cockpit, a hull, a engine and a gun, or as complex as a player wants.
Why similar: Sandbox 36%, Space Sim 32.6%, Simulation 22.9%, Open World 3.4%, Adventure 3.3%
- #60 Cubic Odyssey
65% matchMostly Positive73% of 2,720 reviews2025
Dev: Atypical GamesPub: Gaijin Network Ltd
Windows
Median: 6.2 hrsMean: 8.9 hrs≥1hr: 87%
Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!
Why similar: Sandbox 40.1%, Co-op 26.8%, Procedural Generation 7.7%, Exploration 6.9%, Open World 6.7%