- #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 18.8% ★, Trading 14.6% ★, 4X 12.5% ★, Moddable 9% ★, Sandbox 8.3%
Why You'll Like It: Offers the most comprehensive economic and fleet management simulation for players who want to build a massive space empire.
- #2 Avorion
96% 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 23.5% ★, Flight 13.5%, Trading 12.9% ★, Sandbox 10.6%, Space 10.1%
Why You'll Like It: Combines deep ship-building mechanics with expansive exploration and fleet command in a procedurally generated galaxy.
- #3 SpaceBourne 2
96% 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 31.4% ★, Flight 18.6%, Mining 14.9% ★, Open World 11.1%, Space 10.7%
Why You'll Like It: A modern, ambitious space-sim that blends third-person combat, RPG progression, and large-scale faction warfare.
- #4 Starpoint Gemini Warlords
95% 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: 4X 19.4% ★, Space Sim 18.5% ★, Moddable 12.2% ★, Space 10.6%, Flight 8.9%
Why You'll Like It: Perfectly bridges the gap between tactical fleet strategy and individual ship action in a persistent open world.
- #5 Star Valor
94% 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: Mining 29.9% ★, Space 21.9%, Sandbox 18.4%, Open World 14.3%, Sci-fi 8.5%
Why You'll Like It: A classic sandbox space-sim that excels at providing a satisfying loop of looting, upgrading, and ship customization.
- #6 EVERSPACE™ 2
94% 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: Flight 26.4%, Space 25.9%, Open World 21.5%, Sci-fi 11.4%, Simulation 7.6%
Why You'll Like It: Provides a highly polished, action-oriented space flight experience with deep RPG elements and rewarding exploration.
- #7 VoidExpanse
93% 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 25.3%, Moddable 17.7% ★, Open World 15.3%, Sandbox 14.1%, Sci-fi 9.7%
Why You'll Like It: Focuses on a player-driven narrative in a vast open world with strong RPG elements and tactical combat.
- #8 Astrox Imperium
92% matchVery Positive85% of 1,210 reviews2019
Dev: Jace Masula
Windows
Median: 4.2 hrsMean: 16.4 hrs≥1hr: 67%
Astrox Imperium is a relaxing space game where you fly around a generated universe. Mining, Fighting, Building, Exploring, and Surviving. What makes this game unique? You have complete control of how it plays. A robust sandbox and lots of MOD tools. Make it your game, and play it your own way.
Why similar: Space Sim 27.1% ★, Space 20.4%, Mining 17.1% ★, Sandbox 11.7%, Open World 9.5%
Why You'll Like It: An indie-developed sandbox that captures the feeling of starting with a small ship and slowly building a massive mining and combat operation.
- #9 Endless Sky
91% 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 27.6%, Space Sim 17.9% ★, Trading 16.3% ★, Open World 13.7%, Sci-fi 8.2%
Why You'll Like It: A classic-style open-world space game that offers deep trading, combat, and a massive galaxy to explore for free.
- #10 Star Traders: Frontiers
91% matchVery Positive84% of 3,754 reviews2018
Dev: Trese Brothers
Windows · Mac · Linux
Median: 3.3 hrsMean: 24.5 hrs≥1hr: 74%
You are the captain of a starship venturing through a massive open universe. Customize your crew and take command at the helm of your very own ship as you explore a galaxy torn apart by internal strife, alien threats, and political intrigue.
Why similar: Space Sim 21.2% ★, Moddable 18.9% ★, Trading 18.8% ★, Sandbox 9.9%, Sci-fi 8%
Why You'll Like It: Offers a rich, narrative-driven experience where you manage a crew and ship while navigating complex political and economic landscapes.
- #11 Drox Operative 2
90% matchVery Positive90% of 282 reviews2021
Dev: Soldak Entertainment
Windows · Linux
Drox Operative 2 is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer for Windows and Linux.
Why similar: 4X 33.9% ★, Space 20.5%, Open World 13%, Action 12.5%, Sci-fi 10.1%
Why You'll Like It: A unique hybrid of 4X strategy and action-RPG that features a dynamic, ever-changing galaxy where factions constantly compete.
- #12 Space Pirates And Zombies 2
89% 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 23.1%, Pirates 20% ★, Open World 11.7%, Strategy 8.3%, Sandbox 8.2%
Why You'll Like It: Features a unique blend of top-down combat and strategic faction management where you can build your own space stations.
- #13 Starcom: Nexus
89% 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 30.9%, Space Sim 28% ★, Open World 13.3%, Sci-fi 13.2%, Building 7%
Why You'll Like It: Features a strong focus on exploration and modular ship design within a mysterious and engaging sci-fi universe.
- #14 Reassembly
88% 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 25.1%, Sandbox 22.7%, Building 22.3%, Open World 8.3%, Strategy 8%
Why You'll Like It: A unique sandbox game where you design your own ships and fleets from scratch to conquer a vibrant, alien-filled galaxy.
- #15 Interstellar Rift
87% 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 22.5% ★, Mining 16.8% ★, Trading 14.8% ★, Sandbox 9.1%, Open World 8.8%
Why You'll Like It: A space-sim focused on ship construction and management, allowing for complex interior design and multi-crew operations.
- #16 Battlevoid: Harbinger
86% matchMostly Positive79% of 1,057 reviews2016
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 1.8 hrsMean: 11.0 hrs≥1hr: 56%
Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.
Why similar: Space 40.8%, Strategy 18.1%, Simulation 12.8%, Sci-fi 8.7%, Open World 8.4%
Why You'll Like It: A tactical space strategy game that emphasizes fleet management and roguelike progression in a hostile environment.
- #17 Helium Rain
86% 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 45.8% ★, Space 20%, Trading 12.3% ★, Simulation 8.1%, Strategy 7.7%
Why You'll Like It: A hardcore space-sim that prioritizes realistic physics and a complex, interconnected economic simulation.
- #18 Rebel Galaxy Outlaw
85% matchMixed64% of 1,122 reviews2020
Dev: Double Damage Games
Windows
Median: 36 minMean: 9.1 hrs≥1hr: 42%
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
Why similar: Space Sim 42.1% ★, Open World 16%, Sci-fi 10.6%, Space 9.6%, Flight 8.3%
Why You'll Like It: Delivers a gritty, action-focused space flight experience with a heavy emphasis on ship customization and dogfighting.
- #19 Wayward Terran Frontier: Zero Falls
84% 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 29.5% ★, Trading 14.4% ★, Sandbox 12.9%, Open World 12.4%, Space 11.4%
Why You'll Like It: A highly detailed sandbox RPG that allows for intricate ship construction and crew management in a dangerous sector.
- #20 Landinar: Into the Void
84% 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 Sim 31.6% ★, Space 19.3%, Building 12.3%, Open World 10.7%, Sandbox 10%
Why You'll Like It: An action-RPG space-sim that focuses on ship customization and exploration in a charming, stylized galaxy.
- #21 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 Sim 28.9% ★, Space 20%, Sandbox 9.3%, Sci-fi 7.1%, Simulation 6.9%
Why You'll Like It: An action-RPG space-sim that puts you in command of a cruiser during a massive interstellar war.
- #22 Star Nomad 2
83% matchMostly Positive72% of 158 reviews2015
Dev: Huy Phan
Windows · Mac
A space trader & combat sim meets squad-RPG, large scale conquest, choice driven gameplay with fluid & punchy tactical real-time combat set in a dynamic open-world sandbox.
Why similar: Space 22.6%, Space Sim 18.5% ★, Sandbox 14.3%, Open World 13.1%, Simulation 10.4%
Why You'll Like It: A top-down, open-world space RPG that emphasizes trading, combat, and dynamic faction relationships.
- #23 Unending Galaxy
82% 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: 4X 24.2% ★, Space Sim 18.3% ★, Space 13%, Strategy 10.4%, Sandbox 9.6%
Why You'll Like It: A massive-scale strategy game that allows players to manage entire sectors and economies in a living, breathing universe.
- #24 Elite Dangerous
80% 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 39% ★, Space 16.7%, Open World 13.4%, Trading 9.1% ★, Sci-fi 7.5%
Why You'll Like It: The definitive massive-scale space-sim for players who want to experience a 1:1 recreation of the Milky Way galaxy.
- #25 Evochron Mercenary
82% 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 Sim 24.9% ★, Space 20.5%, Sandbox 9.7%, Open World 9.5%, Simulation 8.2%
Why You'll Like It: A hardcore, realistic space-sim that offers complete freedom for players to pursue trading, mining, or combat careers.
- #26 Void Destroyer
81% 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 22.7%, Space Sim 19% ★, RTS 16.2%, Strategy 12.6%, Simulation 11.3%
Why You'll Like It: The original predecessor that established the unique blend of strategy and space combat that defines the series.
- #27 BossConstructor
79% matchMostly Positive73% of 217 reviews2016
Dev: Neomateria Games GmbH
Windows · Mac · Linux
Median: 3.6 hrsMean: 6.8 hrs≥1hr: 77%
Scavenge modules, combine them in the deadliest and most efficient ways imaginable, and fly your very own spaceship through alien space with BossConstructor. Thousands of procedurally generated galaxies await you and your space-faring collection of assembled modules to explore them.
Why similar: Space 33.2%, Building 21.7%, Simulation 16.7%, Action 10.4%, Sci-fi 9%
Why You'll Like It: A creative sandbox game that allows you to build ships piece-by-piece to take on challenging bosses in space.
- #28 Transcendence
79% matchVery Positive88% of 221 reviews2015
Dev: Kronosaur Productions
Windows
Explore the farthest reaches of Human Space in this open-world space adventure. Compelled to journey to the Galactic Core by a mysterious hyperintelligence, you must fight your way through dozens of star systems teeming with clashing empires, expansionist AIs, and fearsome xenophobes.
Why similar: Space Sim 28.2% ★, Trading 20.2% ★, Space 20%, Open World 15.2%, Sci-fi 9.6%
Why You'll Like It: A classic indie space sandbox that offers a challenging journey through a dangerous galaxy with deep ship upgrade paths.
- #29 Starcom: Unknown Space
74% 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 Sim 35.9% ★, Space 23.8%, Open World 16.6%, Sci-fi 8.9%, Building 8.6%
- #30 Space Engineers 2
74% 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: Moddable 16.2% ★, Space Sim 15.8% ★, Mining 15.7% ★, Sandbox 10.4%, Space 9.8%
- #31 The Last Starship
73% 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 25.3% ★, Mining 22.1% ★, Sandbox 11.8%, Space 11.6%, Building 9.3%
- #32 ΔV: Rings of Saturn
73% 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 Sim 34.1% ★, Space 19.5%, Open World 12.8%, Sci-fi 11.4%, Sandbox 11.4%
- #33 Rebel Galaxy
76% 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 28%, Space Sim 24% ★, Open World 14.6%, Sci-fi 10.1%, Trading 8.2% ★
- #34 Flatspace IIk
78% matchMixed65% of 26 reviews2017
Dev: Cornutopia Software
Windows
Median: 4.9 hrsMean: 4.9 hrs≥1hr: 99%
Flatspace IIk is a top-down space trading game with the emphasis on free exploration. In Flatspace, you choose your profession and are given a small spaceship with a scattering of random weapons, then you are free to earn a living, explore, hunt, trade, grow; upgrading your ship and equipment.
Why similar: Simulation 48.6%, Action 32.3%, Indie 19.1%
Why You'll Like It: A top-down space sandbox that emphasizes exploration and survival in a procedurally generated universe.
- #35 Drifter
78% 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 Sim 18.1% ★, Space 15.9%, Trading 15.2% ★, Sandbox 14%, Open World 9.7%
Why You'll Like It: A sandbox space-sim that focuses on the solitary experience of trading and surviving in a vast, open galaxy.
- #36 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 22.6%, Sandbox 19.7%, Open World 14.5%, Space Sim 13.5% ★, Building 11.5%
- #37 Celestial Command
77% 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 23.3%, Space Sim 20% ★, Sandbox 15.1%, Simulation 9.1%, Building 7.8%
- #38 Astrox: Hostile Space Excavation
76% 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 Sim 20.1% ★, Mining 18.4% ★, Space 16.5%, Pirates 14.8% ★, Sandbox 11.2%
- #39 3030 Deathwar Redux - A Space Odyssey
75% 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 Sim 24.6% ★, Space 22%, Open World 14.3%, Sandbox 11.5%, Sci-fi 9.7%
- #40 Space Haven
72% 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 27.2% ★, Sandbox 13.9%, Space 13.4%, Building 11.3%, Open World 11.3%
- #41 Stardeus
71% matchVery Positive87% of 1,529 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 8.7 hrsMean: 22.6 hrs≥1hr: 77%
Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.
Why similar: Space Sim 24.7% ★, Moddable 19% ★, Space 13.3%, Sandbox 12.1%, Open World 11.3%
- #42 Space Pirates and Zombies
73% 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 30.8%, Pirates 23.5% ★, Sci-fi 11.1%, Open World 10.4%, Sandbox 7.5%
- #43 Airship: Kingdoms Adrift
71% matchMostly Positive76% of 1,027 reviews2023
Dev: Revolution IndustryPub: indie.io
Windows
Median: 6.2 hrsMean: 22.1 hrs≥1hr: 79%
Welcome to Suthseg! As the newly commissioned airship captain, forge a mercantile empire across the archipelago, until the great powers of Europa turn their attention toward it. Build up a fleet, chart trade routes, establish industries, and explore the frontier at your airship's helm!
Why similar: 4X 23.4% ★, Pirates 21.4% ★, Space Sim 20.5% ★, Sandbox 13.5%, Open World 8.1%
- #44 Cosmoteer: Starship Architect & Commander
69% 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 34.5% ★, Space 17.5%, Sci-fi 15.1%, Building 14.7%, Strategy 7.1%
- #45 Starship EVO
71% 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 Sim 20.3% ★, Space 17.9%, Sandbox 15%, Building 14.6%, Open World 8.6%
- #46 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 28.3% ★, Space 14.5%, Open World 12.7%, Sandbox 12.4%, Building 11.8%
- #47 Kinetic Void
75% 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 30.7%, Sandbox 16.4%, Space Sim 14.5% ★, Simulation 9.9%, Sci-fi 9.6%
- #48 Space Engineers
68% matchVery Positive89% of 133,238 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 95.7 hrs≥1hr: 87%
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 24.8% ★, Moddable 19.8% ★, Sandbox 11.3%, Space 11.3%, Open World 10.2%
- #49 Spaceflight Simulator
67% 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 36.8% ★, Sandbox 17.4%, Space 16.1%, Moddable 8.6% ★, Simulation 6.3%
- #50 Ostranauts
69% matchMostly Positive80% of 2,398 reviews2020
Dev: Blue Bottle GamesPub: Kitfox Games
Windows
Median: 5.1 hrsMean: 26.8 hrs≥1hr: 71%
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: Flight 23.3%, Space Sim 21.4% ★, Trading 17.1% ★, Space 10.2%, Sandbox 10%
- #51 Executive Assault 2
67% matchVery Positive83% of 1,726 reviews2023
Dev: Hesketh Studios Ltd
Windows · Mac
Median: 4.0 hrsMean: 8.4 hrs≥1hr: 76%
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
Why similar: Space Sim 34.2% ★, RTS 22.4%, Space 13%, Building 13%, Strategy 6.7%
- #52 StarDrive
72% matchMixed45% of 1,482 reviews2013
Dev: Zero Sum Games
Windows
Median: 2.3 hrsMean: 6.7 hrs≥1hr: 88%
As a space bear, human or any other race, venture forth into the galaxy, create custom ships, conquer new worlds, build new colonies and defend your very existence against those who would take what is yours.
Why similar: 4X 47.9% ★, Space 17%, RTS 14.1%, Strategy 10.5%, Sci-fi 7.4%
- #53 X3: Reunion
70% 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 Sim 25.6% ★, Space 19%, Sandbox 10.3%, Trading 9.6% ★, Flight 8.5%
- #54 Interstellar Pilot 2
66% 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 30.5% ★, Sandbox 15.1%, Space 10.4%, Strategy 9.6%, Simulation 9.4%
- #55 Space Trash Scavenger
65% matchVery Positive84% of 514 reviews2024
Dev: SquarePlay GamesPub: Paradox Arc
Windows
Median: 3.0 hrsMean: 9.2 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 22.9% ★, Space 17.6%, Sandbox 15.7%, Open World 14.7%, Building 12.3%
- #56 X Rebirth
70% 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 25.7%, Space Sim 22.5% ★, Sci-fi 10.6%, Simulation 10.6%, Sandbox 9.6%
- #57 Destination Sol
68% matchMostly Positive79% of 1,362 reviews2015
Dev: MovingBlocks
Windows · Mac · Linux
Median: 30 minMean: 3.8 hrs≥1hr: 30%
Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!
Why similar: Space 43.6%, Open World 32.2%, Action 10.4%, Indie 7%, Sci-fi 5.3%
- #58 Objects in Space
69% 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 Sim 26.4% ★, Space 23%, Simulation 13.8%, Strategy 12.5%, Action 7%
- #59 Evochron Legacy SE
68% 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 31.5% ★, Trading 19.4% ★, Space 12.8%, Sandbox 11.4%, Open World 10.2%
- #60 Gaia Beyond
67% 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 26.3% ★, Mining 21.4% ★, Trading 18.2% ★, Space 11.5%, Open World 10.6%
