- #1 X4: Foundations
97% matchMostly Positive80% of 27,985 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.1 hrsMean: 94.2 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore the stars, trade goods, fight battles, build stations, buy and equip ships, and command fleets in a living, fully simulated universe that reacts to your decisions.
Why similar: Space Sim 33.3% ★, Space 26.9%, Sandbox 14.9%, Simulation 8%, Open World 8%
Why You'll Like It: Offers an incredibly deep economy and sandbox experience where you can build your own space empire.
- #2 Star Valor
96% matchVery Positive89% of 3,325 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 28.8 hrs≥1hr: 78%
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
Why similar: Space 37%, Mining 23.7% ★, Sandbox 16.2%, Open World 11%, Sci-fi 5.5%
Why You'll Like It: A fast-paced, action-oriented space sandbox with excellent loot and progression mechanics.
- #3 Elite Dangerous
96% matchMostly Positive77% of 105,113 reviews2015
Dev: Frontier Developments
Windows
Median: 18.4 hrsMean: 146.5 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 Sim 38.2% ★, Space 31.8%, Open World 11.6%, Simulation 6.2%, Sandbox 6.1%
Why You'll Like It: The gold standard for space-sim mining, trading, and exploration in a massive, realistic galaxy.
- #4 Avorion
95% matchVery Positive90% of 14,288 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.6 hrsMean: 98.8 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 33% ★, Space 27.6%, Sandbox 15%, Open World 11.1%, Simulation 7.4%
Why You'll Like It: Combines procedural space exploration with a robust, block-based ship building system.
- #5 SpaceBourne 2
94% matchMostly Positive77% of 4,992 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 10.9 hrs≥1hr: 70%
Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.
Why similar: Space Sim 41.6% ★, Space 27.5%, Mining 17.9% ★, Open World 13%
Why You'll Like It: A direct evolution of the space-sim sandbox that adds deep RPG elements and extensive ship customization.
- #6 ΔV: Rings of Saturn
94% matchVery Positive93% of 3,305 reviews2023
Dev: Kodera Software
Windows · Mac · Linux
Median: 8.3 hrsMean: 11.6 hrs≥1hr: 85%
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
Why similar: Space 32.2%, Space Sim 29% ★, Sandbox 9.8%, Open World 9.6%, Sci-fi 7.1%
Why You'll Like It: Provides a hardcore, physics-based mining experience that captures the industrial feel of space work.
- #7 Void Destroyer 2
93% matchVery Positive80% of 664 reviews2020
Dev: Iteration 11
Windows
Median: 2.4 hrsMean: 14.5 hrs≥1hr: 74%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: Space Sim 27.1% ★, Space 20.4%, Mining 17.1% ★, Sandbox 11.7%, Open World 9.5%
Why You'll Like It: A unique hybrid that blends space simulation with large-scale strategy and sandbox freedom.
- #8 Evochron Legacy SE
92% matchVery Positive83% of 440 reviews2016
Dev: StarWraith 3D Games LLC
Windows
Median: 1.6 hrsMean: 6.9 hrs≥1hr: 61%
Advanced Space Flight, Combat, Trading, and Exploration Simulation. Set in a vast explorable universe, Evochron Legacy offers freeform gameplay with many diverse objectives and paths to choose from.
Why similar: Space Sim 34.4% ★, Space 27.1%, Sandbox 12.5%, Open World 9.9%, Simulation 8.5%
Why You'll Like It: A highly detailed, Newtonian physics-based space simulation that rewards mastery of flight mechanics.
- #9 Rebel Galaxy
91% matchVery Positive85% of 8,230 reviews2015
Dev: Double Damage Games
Windows · Mac
Median: 1.8 hrsMean: 13.6 hrs≥1hr: 62%
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Why similar: Space 47.6%, Space Sim 21.1% ★, Open World 11.2%, Sci-fi 6.5%, Sandbox 5.6%
Why You'll Like It: Features an atmospheric, open-world space experience with a focus on trading, combat, and exploration.
- #10 Starcom: Unknown Space
89% matchVery Positive93% of 4,082 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 7.9 hrsMean: 16.2 hrs≥1hr: 82%
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Why similar: Space 41.8%, Space Sim 32.5% ★, Open World 13.2%, Sci-fi 5.9%, Atmospheric 2.7%
Why You'll Like It: Focuses on exploration and discovery in a sandbox environment with modular ship building.
- #11 Astrox: Hostile Space Excavation
91% matchVery Positive84% of 454 reviews2015
Dev: Jace Masula
Windows
Median: 3.0 hrsMean: 9.2 hrs≥1hr: 75%
Exiled to a deep space mining sector, you are left with a crappy ship, a laser, and a small mining beam. It is up to you to survive by working your way through the galaxy. Mine asteroids, refine and trade the ore, buy upgrades for your ship, hunt pirates... you get it.
Why similar: Space 30.7%, Space Sim 19.3% ★, Mining 16.1% ★, Sandbox 10.9%, Simulation 9.3%
Why You'll Like It: The predecessor to the seed game, offering a very similar loop of mining and ship progression.
- #12 Interstellar Rift
90% matchMixed68% of 1,655 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.2 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 27.9% ★, Space 19.4%, Mining 18.9% ★, Sandbox 11.4%, Open World 9.6%
Why You'll Like It: A space-sim that emphasizes ship construction and survival in a persistent, open-world environment.
- #13 Starship EVO
89% matchVery Positive84% of 1,210 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.3 hrsMean: 5.8 hrs≥1hr: 55%
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 35%, Space Sim 20.5% ★, Sandbox 15.3%, Simulation 12.1%, Open World 7.7%
Why You'll Like It: A sandbox game dedicated to complex ship engineering and creative design in space.
- #14 EVERSPACE™ 2
87% matchVery Positive86% of 12,587 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.7 hrsMean: 29.1 hrs≥1hr: 87%
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
Why similar: Space 55.1%, Open World 20.9%, Simulation 12%, Sci-fi 9.2%, Singleplayer 2.8%
Why You'll Like It: A polished space exploration game that emphasizes loot-driven progression and satisfying combat.
- #15 No Man's Sky
86% matchVery Positive85% of 402,164 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 38.3%, Space Sim 18.3% ★, Open World 16.8%, Sandbox 11.4%, Sci-fi 6.9%
Why You'll Like It: The ultimate open-world sandbox for exploration, resource gathering, and base building in a procedurally generated universe.
- #16 Celestial Command
88% matchMixed63% of 687 reviews2014
Dev: Romenics
Windows · Mac · 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 42.7%, Space Sim 18.9% ★, Sandbox 14.4%, Simulation 12.5%, Sci-fi 5%
Why You'll Like It: A physics-based space simulation that focuses on modular ship building and engineering.
- #17 Endless Sky
86% matchVery Positive92% of 6,938 reviews2015
Dev: Michael Zahniser
Windows · Mac · Linux
Median: 1.0 hrsMean: 13.6 hrs≥1hr: 50%
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Why similar: Space 50.9%, Space Sim 17% ★, Open World 11.5%, Simulation 6.2%, Sci-fi 5.7%
Why You'll Like It: A classic 2D space sandbox that offers immense freedom in trading, combat, and exploration.
- #18 Starpoint Gemini Warlords
85% matchMostly Positive73% of 3,569 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 11.0 hrs≥1hr: 88%
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
Why similar: Space 31.4%, Space Sim 28.4% ★, Sandbox 11.4%, Open World 11.3%, Simulation 7.8%
Why You'll Like It: Blends space simulation with fleet management and conquest in a large, open galaxy.
- #19 Rodina
84% matchVery Positive93% of 1,329 reviews2014
Dev: Elliptic Games
Windows
Median: 2.8 hrsMean: 6.4 hrs≥1hr: 71%
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!
Why similar: Space 42.5%, Space Sim 17.1% ★, Open World 13.4%, Sandbox 12.6%, Sci-fi 5.8%
Why You'll Like It: Features seamless exploration and ship combat in a vast, procedurally generated solar system.
- #20 VoidExpanse
84% matchMostly Positive71% of 760 reviews2015
Dev: AtomicTorch Studio
Windows · Mac · Linux
Median: 3.8 hrsMean: 6.1 hrs≥1hr: 93%
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
Why similar: Space 50.6%, Sandbox 14.6%, Open World 13.9%, Sci-fi 7.3%, Simulation 7.2%
Why You'll Like It: A top-down space sandbox that features deep RPG progression and exploration mechanics.
- #21 3030 Deathwar Redux - A Space Odyssey
82% matchVery Positive94% of 1,148 reviews2017
Dev: Bird in SkyPub: Crunchy Leaf Games
Windows
Median: 7.5 hrsMean: 8.2 hrs≥1hr: 91%
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
Why similar: Space 35.6%, Space Sim 20.5% ★, Open World 10.5%, Sandbox 9.7%, Simulation 9.7%
Why You'll Like It: An open-world space adventure that prioritizes player freedom and exploration.
- #22 Between the Stars
81% matchMostly Positive74% of 2,427 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.9 hrs≥1hr: 49%
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Why similar: Space 37.8%, Space Sim 28.3% ★, Simulation 9.7%, Sandbox 9.1%, Open World 5.2%
Why You'll Like It: An action-RPG space simulation that includes fleet command and exploration elements.
- #23 Hardspace: Shipbreaker
79% matchVery Positive89% of 21,702 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 23.9 hrs≥1hr: 86%
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Why similar: Space 38.9%, Space Sim 22.4% ★, Sandbox 13.8%, Simulation 10.5%, Sci-fi 8.5%
Why You'll Like It: Focuses on the blue-collar, industrial side of space simulation through detailed ship dismantling.
- #24 Reassembly
81% matchVery Positive94% of 4,066 reviews2015
Dev: Anisoptera GamesPub: Indie Voyage
Windows · Mac · Linux
Median: 5.1 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: Space 55.1%, Sandbox 25.9%, Open World 8.2%, Sci-fi 4.3%, Indie 3.4%
Why You'll Like It: A sandbox game focused on modular ship design and emergent faction warfare.
- #25 The Last Starship
78% matchMostly Positive75% of 1,419 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.6 hrsMean: 10.4 hrs≥1hr: 81%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Space Sim 26.6% ★, Space 23.7%, Mining 21% ★, Sandbox 12.4%, Simulation 7.1%
Why You'll Like It: A strategy-focused space sandbox that features detailed ship management and construction.
- #26 Kinetic Void
83% matchOverwhelmingly Negative17% of 1,556 reviews2014
Dev: Badland Studio
Windows · Mac · Linux
Median: 1.9 hrsMean: 3.6 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: Space 49.5%, Sandbox 13.7%, Space Sim 12% ★, Simulation 11.9%, Sci-fi 5.8%
Why You'll Like It: A sandbox space sim that offers a heavy emphasis on custom ship construction and modular design.
- #27 Drifter
82% matchMixed54% of 208 reviews2014
Dev: Celsius Game Studios
Windows · Mac · Linux
Drifter is an open-world sandbox space trading game with a procedurally-generated galaxy 100,000 light years across made up of tens of thousands of star systems to explore and features an original soundtrack by composer Danny Baranowsky.
Why similar: Space 31.1%, Space Sim 18.3% ★, Sandbox 14.3%, Simulation 9.8%, Open World 8.7%
Why You'll Like It: A relaxing, indie space sandbox that focuses on the quiet solitude of trading and exploration.
- #28 Solar 2
78% matchVery Positive91% of 2,205 reviews2011
Dev: Murudai
Windows · Mac · Linux
Median: 2.0 hrsMean: 4.3 hrs≥1hr: 71%
Dynamic abstract sandbox universe. Changes and evolves as you do.
Why similar: Space 42.3%, Sandbox 16.3%, Space Sim 16.3% ★, Open World 7.3%, Simulation 6.6%
Why You'll Like It: A relaxing, sandbox-style space game about cosmic evolution and scale.
- #29 Objects in Space
79% matchMixed52% of 612 reviews2019
Dev: Flat Earth GamesPub: 505 Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 6.6 hrs≥1hr: 71%
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
Why similar: Space 41.6%, Space Sim 24.6% ★, Simulation 18.7%, Open World 5.6%, Indie 5.6%
Why You'll Like It: A deep, retro-futuristic space simulation that emphasizes ship systems and navigation.
- #30 Jumpdrive
80% matchMostly Negative39% of 164 reviews2018
Dev: Meteoric Games
Windows
Jumpdrive is a sandbox space sim set in an alternative future heavily inspired by classic 80s sci-fi. Fight, trade and explore in a massive procedurally generated galaxy of millions of planets and stars. Amass money and power and upgrade and purchase new ships.
Why similar: Space 57.6%, Simulation 20.9%, Open World 14.3%, Indie 7.2%
Why You'll Like It: An indie space sandbox that centers on exploration and trading in a generated universe.
- #31 SpaceBourne
77% matchMostly Positive77% of 805 reviews2020
Dev: Burak Dabak
Windows
Median: 1.9 hrsMean: 9.7 hrs≥1hr: 58%
Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.
Why similar: Space 47.5%, Space Sim 32.2% ★, Simulation 15.6%, Indie 4.8%
- #32 Starcom: Nexus
76% matchVery Positive91% of 2,274 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.8 hrsMean: 13.6 hrs≥1hr: 84%
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
Why similar: Space 52.9%, Space Sim 24.7% ★, Open World 10.4%, Sci-fi 8.5%, Indie 3%
- #33 StarMade
77% matchMixed68% of 2,981 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 42.6%, Sandbox 19.3%, Space Sim 13.2% ★, Open World 12.4%, Sci-fi 5.4%
- #34 Space Engineers 2
73% matchMostly Positive76% of 4,293 reviews2025
Dev: Keen Software House
Windows
Median: 1.3 hrsMean: 7.1 hrs≥1hr: 58%
Space Engineers 2 is a sandbox about engineering and colonization where you build ships, stations, and planetary bases in a fully destructible world. Begin the story of Miro and Ivan Sokol, expand humanity’s foothold in the Almagest system, and fight to survive.
Why similar: Space 23.9%, Space Sim 20% ★, Mining 18% ★, Sandbox 13.2%, Open World 9.1%
- #35 Spaceflight Simulator
73% matchOverwhelmingly Positive96% of 7,486 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 4.6 hrsMean: 14.2 hrs≥1hr: 84%
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 34.9% ★, Space 29.6%, Sandbox 16.6%, Simulation 8.6%, Open World 4.4%
- #36 X Rebirth
76% matchMixed44% of 7,305 reviews2013
Dev: Egosoft
Windows · Mac · Linux
Median: 3.3 hrsMean: 19.2 hrs≥1hr: 88%
In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.
Why similar: Space 44.2%, Space Sim 20.1% ★, Simulation 13.6%, Sandbox 8.6%, Sci-fi 6.9%
- #37 Space Pirates And Zombies 2
74% matchMostly Positive79% of 2,826 reviews2017
Dev: MinMax Games Ltd.
Windows · Mac · Linux
Median: 4.6 hrsMean: 13.5 hrs≥1hr: 81%
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
Why similar: Space 53.4%, Open World 12.3%, Sandbox 9.8%, Simulation 7.6%, Space Sim 7.1% ★
- #38 Evochron Mercenary
75% matchMostly Positive77% of 434 reviews2012
Dev: StarWraith 3D Games LLC
Windows
Median: 2.7 hrsMean: 6.8 hrs≥1hr: 73%
The life of an independent mercenary is rarely without excitement. Your spacecraft awaits and your adventure begins in the Sapphire star system.
Why similar: Space 39%, Space Sim 24.4% ★, Simulation 11.6%, Sandbox 9.5%, Open World 8.2%
- #39 Wayward Terran Frontier: Zero Falls
75% matchMixed68% of 536 reviews2016
Dev: Reason Generator Inc.
Windows
2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.
Why similar: Space Sim 32.6% ★, Space 24.5%, Sandbox 14.4%, Open World 12.1%, Simulation 7.9%
- #40 Darkstar One
73% matchVery Positive83% of 609 reviews2008
Dev: Ascaron Entertainment ltd.Pub: Strategy First
Windows
Median: 1.0 hrsMean: 8.8 hrs≥1hr: 50%
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
Why similar: Space 42.6%, Space Sim 33.5% ★, Open World 9%, Sci-fi 7.4%, Simulation 6.6%
- #41 Empyrion - Galactic Survival
70% matchMostly Positive79% of 34,087 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.7 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 29.3% ★, Space 29.1%, Sandbox 13%, Open World 11.6%, Simulation 9.8%
- #42 Habitat
74% matchMostly Negative40% of 261 reviews2016
Dev: 4gencyPub: Versus Evil
Windows · Mac · Linux
Median: 3.1 hrsMean: 3.9 hrs≥1hr: 85%
Habitat is a physics-based space game where you build, fly, and fight with whatever you can find out in space. Upgrade and arm your creations with weapons and structures you find in orbit, fly and explore using rocket physics.Battle deadly enemies in Campaign Mode to save humanity or explore Sandbox Mode for true creative control.
Why similar: Space 58.5%, Sandbox 19.2%, Simulation 16.5%, Indie 5.8%
- #43 Astrometica
68% matchVery Positive83% of 2,970 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 4.9 hrsMean: 17.8 hrs≥1hr: 73%
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Why similar: Space Sim 42.9% ★, Space 29.7%, Open World 14.4%, Sci-fi 6.3%, Simulation 3.2%
- #44 Space Pirates and Zombies
71% matchVery Positive91% of 3,143 reviews2011
Dev: MinMax Games Ltd.
Windows · Mac · Linux
Median: 2.6 hrsMean: 10.4 hrs≥1hr: 86%
Explore a randomly generated Galaxy populated with factions, enemies, missions, and items providing you with a unique experience each time you play.
Why similar: Space 66.1%, Open World 10.2%, Sci-fi 9%, Sandbox 8.4%, Indie 4.3%
- #45 Interstellar Pilot 2
70% matchVery Positive92% of 153 reviews2023
Dev: Pixelfactor Ltd.
Windows
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.
Why similar: Space Sim 32.5% ★, Space 21.5%, Sandbox 16.2%, Simulation 14.6%, Open World 7.7%
- #46 Landinar: Into the Void
72% matchMixed57% of 243 reviews2019
Dev: Convoy Games
Windows
Median: 2.6 hrsMean: 6.6 hrs≥1hr: 88%
Landinar: Into the Void is a top-down space-adventure-RPG. You are recruited as a rookie bounty hunter in the oppressive Landinar Empire. On your journey through the quadrant you will meet diverse characters, build your own spaceship and choose your battles.
Why similar: Space 38.4%, Space Sim 32.5% ★, Sandbox 10.3%, Open World 9.7%, Sci-fi 4.4%
- #47 Azulgar: Star Commanders
72% matchMixed51% of 108 reviews2017
Dev: SZEINER
Windows
Azulgar: Star Commanders is a Sci-Fi open world sandbox game that puts you in a command of your own custom made space ship. Explore aftermath of the Azulgar event that reshaped the face of the solar system.
Why similar: Space 47.5%, Simulation 20.9%, Sci-fi 11.3%, Sandbox 7.1%, Indie 7%
- #48 Gaia Beyond
70% matchMostly Positive76% of 258 reviews2020
Dev: Warp Turtle
Windows
Gaia Beyond is a handcrafted 2D Action-RPG, an exploration mix built around the core features fighting, mining and trading. Your decisions are footprints within a vast non-linear solar system. Forge alliances among numerous factions and develop relations with hundreds of NPCs.
Why similar: Space Sim 29.6% ★, Space 25.1%, Mining 21.8% ★, Open World 10.5%, Sci-fi 6.2%
- #49 Jitter
67% matchVery Positive86% of 153 reviews2025
Dev: Berko Games
Windows
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.
Why similar: Space Sim 32.8% ★, Space 30%, Sandbox 14.3%, Open World 12.1%, Sci-fi 6.7%
- #50 Space Haven
68% matchVery Positive86% of 9,719 reviews2020
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.3 hrsMean: 20.2 hrs≥1hr: 72%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Space Sim 28.7% ★, Space 27.4%, Sandbox 14.7%, Open World 10.5%, Simulation 8.4%
- #51 Void Destroyer
71% matchMixed60% of 351 reviews2015
Dev: Iteration 11
Windows
Median: 18 minMean: 3.0 hrs≥1hr: 30%
Combining the best of space combat and real time strategy. Victory can be tactical, a dogfight or capital ship slugging match - depending on how you decide to achieve it. Space combat on a RTS scale with space sim savagery.
Why similar: Space 49%, Space Sim 21.2% ★, Simulation 18.2%, Sci-fi 7.8%, Indie 3.8%
- #52 Vanguard Galaxy
66% matchVery Positive90% of 353 reviews2025
Dev: Bat Roost Games
Windows
A relaxing game about space exploration that can be played full screen or at the bottom of your screen. Trade, fight, mine and salvage your way through a procedurally generated galaxy. Let the game idle while your autopilot handles business and builds your fortune.
Why similar: Space 35.4%, Space Sim 26.9% ★, Sandbox 18.1%, Simulation 10.2%, Sci-fi 6.5%
- #53 Starbase
69% matchMixed56% of 6,702 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 33.8% ★, Space 25.8%, Sandbox 13.6%, Open World 13.1%, Simulation 8.2%
- #54 Inspiral: Echoes of Gravity
66% matchMostly Positive80% of 54 reviews2025
Dev: PcZ Games
Windows · Mac
Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.
Why similar: Space 30.7%, Space Sim 29.4% ★, Sandbox 14%, Simulation 8.8%, Open World 5.3%
- #55 X3: Reunion
71% matchMostly Positive72% of 725 reviews2006
Dev: Egosoft
Windows · Mac · Linux
Median: 36 minMean: 8.8 hrs≥1hr: 41%
X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.
Why similar: Space 39.4%, Space Sim 27.5% ★, Sandbox 11.1%, Simulation 9.1%, Open World 6.2%
- #56 Cosmoteer: Starship Architect & Commander
65% matchVery Positive95% of 12,431 reviews2022
Dev: Walternate Realities
Windows
Median: 19.3 hrsMean: 40.4 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 34.8% ★, Space 34.3%, Sci-fi 11.2%, Simulation 8.3%, Atmospheric 4.7%
- #57 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 46% ★, Space 38.8%, Simulation 11.7%, Indie 3.4%
- #58 Universe Sandbox
66% matchOverwhelmingly Positive96% of 30,587 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.4 hrsMean: 23.5 hrs≥1hr: 71%
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Why similar: Space 36.9%, Sandbox 20.4%, Space Sim 17.4% ★, Simulation 10.5%, Open World 6.1%
- #59 Subdivision Infinity DX
68% matchMostly Positive75% of 105 reviews2019
Dev: MistFly GamesPub: Crescent Moon Games
Windows
Subdivision Infinity is an immersive and pulse pounding sci-fi space shooter featuring stunning graphics and tight spaceship game play. Hunt down and destroy enemy spacecraft, crush capital ships, mine asteroids for rare minerals, and find blueprints to craft amazing new vessels!
Why similar: Space 36.9%, Space Sim 36.9% ★, Sci-fi 7.9%, Open World 5.6%, Indie 5.2%
- #60 Unending Galaxy
69% matchMixed62% of 124 reviews2016
Dev: Anarkis Gaming
Windows
Median: 3.3 hrsMean: 3.6 hrs≥1hr: 91%
Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.
Why similar: Space 31%, Space Sim 22.6% ★, Simulation 16.8%, Sandbox 11.9%, Open World 6.8%
