- #1 Rebel Galaxy
97% matchVery Positive85% of 8,397 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 49.4%, Open World 12.7%, Space Sim 10.7%, Sci-fi 8.8%, Trading 5%
Why You'll Like It: It offers a similar open-world space trading and mercenary career with broadside ship combat.
- #2 Star Valor
96% matchVery Positive88% of 3,520 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 29.1 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 39.3%, Open World 15.4%, Space Sim 11.2%, Sci-fi 10.1%, Sandbox 7.3%
Why You'll Like It: It provides a top-down sandbox RPG experience centered around ship building, looting, and fleet command.
- #3 Naev
96% matchVery Positive81% of 231 reviews2017
Dev: Naev Team
Windows · Mac · Linux
Median: 2.1 hrsMean: 15.1 hrs≥1hr: 60%
Naev is a game about space exploration, trade, and combat in a large and vibrant universe. Players travel the galaxy and earn money by trading, fighting, and performing missions.
Why similar: Space 29.5%, Trading 17.7%, Space Sim 15.8%, Open World 10.8%, Sci-fi 6.6%
Why You'll Like It: It shares the exact same mechanical DNA and top-down 2D exploration style heavily inspired by Escape Velocity.
- #4 VoidExpanse
95% matchMostly Positive71% of 768 reviews2015
Dev: AtomicTorch Studio
Windows · Mac · Linux
Median: 3.9 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 51.6%, Open World 15.4%, Sci-fi 9.8%, RPG 5.6%, Sandbox 5.5%
Why You'll Like It: It is an action-RPG set in a vast open space world with deep progression and customizable ships.
- #5 Space Rangers HD: A War Apart
94% matchVery Positive94% of 7,298 reviews2013
Dev: SNK GamesPub: Fulqrum Publishing
Windows
Median: 4.0 hrsMean: 28.1 hrs≥1hr: 89%
Space adventure, open world RPG, strategy, arcade, quest and more!
Why similar: Space 61.7%, Open World 10.8%, Sci-fi 7%, RPG 6.8%, Simulation 3.8%
Why You'll Like It: It combines freeform space exploration, trading, and text-based quests in a living, breathing universe.
- #6 Astrox Imperium
94% matchVery Positive84% of 1,264 reviews2019
Dev: Jace Masula
Windows
Median: 4.2 hrsMean: 16.1 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 51.2%, Space Sim 16.7%, Open World 12%, Simulation 6.1%, Sci-fi 5.8%
Why You'll Like It: It replicates the classic single-player space trucker and combat grind with rich economic loops.
- #7 X4: Foundations
93% matchMostly Positive80% of 30,300 reviews2018
Dev: Egosoft
Windows · Linux
Median: 4.9 hrsMean: 95.4 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.
Why similar: Space 29.4%, Trading 15.2%, Space Sim 14.7%, Open World 11.9%, Sci-fi 8%
Why You'll Like It: It is the ultimate modern space sandbox for players who want total economic simulation and fleet management.
- #8 Star Traders: Frontiers
92% matchVery Positive83% of 3,816 reviews2018
Dev: Trese Brothers
Windows · Mac · Linux
Median: 3.4 hrsMean: 24.8 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 22.3%, Trading 18.7%, Space Sim 15.4%, Sci-fi 11.5%, Open World 10.4%
Why You'll Like It: It captures the feeling of managing a crew, trading, and taking on contracts across a sci-fi galaxy.
- #9 Starcom: Unknown Space
91% matchVery Positive92% of 4,500 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 8.4 hrsMean: 17.0 hrs≥1hr: 83%
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 44.3%, Space Sim 16.5%, Open World 15.1%, Sci-fi 8.2%, Exploration 4.5%
Why You'll Like It: It offers an engaging sci-fi adventure driven by exploration, ship customization, and narrative discovery.
- #10 X3: Terran Conflict
91% matchVery Positive86% of 2,875 reviews2008
Dev: Egosoft
Windows · Mac · Linux
Median: 1.1 hrsMean: 31.9 hrs≥1hr: 51%
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
Why similar: Space 47%, Space Sim 11.3%, Trading 11%, Open World 8.2%, Sci-fi 7%
Why You'll Like It: It delivers a deeply immersive sandbox economy where you can build trade empires and command fleets.
- #11 Starcom: Nexus
90% matchVery Positive90% of 2,322 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 4.0 hrsMean: 13.5 hrs≥1hr: 85%
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 49.9%, Space Sim 11.2%, Open World 10.5%, Sci-fi 10.4%, RPG 4.7%
Why You'll Like It: It features top-down action and artifact research reminiscent of navigating the frontiers in Endless Sky.
- #12 Elite Dangerous
89% matchMostly Positive77% of 107,797 reviews2015
Dev: Frontier Developments
Windows
Median: 18.3 hrsMean: 149.0 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 36%, Space Sim 21.1%, Open World 14.2%, Sci-fi 8%, Trading 6.7%
Why You'll Like It: It provides a realistic 1:1 scale Milky Way galaxy focused on trading, exploration, and ship combat.
- #13 Avorion
88% matchVery Positive90% of 14,588 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.9 hrsMean: 99.6 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 29.8%, Space Sim 17.3%, Open World 13%, Trading 13%, Sci-fi 8.3%
Why You'll Like It: It allows for procedural block-based ship building and expansive galactic exploration.
- #14 EVE Online
89% matchMostly Positive73% of 39,560 reviews2010
Dev: Fenris Creations
Windows · Mac
Median: 3.0 hrsMean: 139.3 hrs≥1hr: 72%
Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.
Why similar: Space 27.9%, Trading 17.2%, Space Sim 16%, Open World 12.7%, Sci-fi 6.9%
Why You'll Like It: It is the definitive player-driven economy and massive multiplayer space warfare experience.
- #15 ΔV: Rings of Saturn
86% matchVery Positive92% of 3,475 reviews2023
Dev: Kodera Software
Windows · Mac · Linux
Median: 8.3 hrsMean: 11.8 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 37.9%, Space Sim 16.7%, Open World 12.3%, Sci-fi 11.1%, Sandbox 4.3%
Why You'll Like It: It focuses on realistic physics-based mining and survival in a dangerous ring system.
- #16 Reassembly
87% matchVery Positive94% of 4,100 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: Space 57.7%, Sandbox 10%, Open World 9.4%, Sci-fi 6%, 2D 3.9%
Why You'll Like It: It offers modular ship design and top-down faction warfare in a sandbox universe.
- #17 EVERSPACE™ 2
82% matchVery Positive86% of 13,135 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.5 hrsMean: 29.8 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 46.3%, Open World 18.9%, Sci-fi 10%, Exploration 5.3%, Simulation 5%
Why You'll Like It: It blends fast-paced space combat with deep loot progression and open-world exploration.
- #18 Destination Sol
85% 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 56.4%, Open World 20.6%, RPG 8.7%, Action 3.8%, 2D 3.8%
Why You'll Like It: It is a fast-paced, open-world arcade space shooter with seamless planetary landings.
- #19 X3: Reunion
86% matchMostly Positive72% of 743 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 44.4%, Space Sim 15%, Sci-fi 7.8%, Trading 7.7%, Open World 7.5%
Why You'll Like It: It is a classic space simulator focusing on trading, building, and combat in a massive universe.
- #20 Space Pirates And Zombies 2
84% matchMostly Positive79% of 2,842 reviews2017
Dev: MinMax Games Ltd.
Windows · Mac · Linux
Median: 4.5 hrsMean: 13.4 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 54.3%, Open World 13.5%, Sci-fi 6.6%, RPG 4.6%, Simulation 3.8%
Why You'll Like It: It features top-down physics-based combat and base-building mechanics in a post-apocalyptic galaxy.
- #21 Void Destroyer 2
84% matchVery Positive80% of 675 reviews2020
Dev: Iteration 11
Windows
Median: 2.8 hrsMean: 15.3 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 27.9%, Space Sim 18.1%, Trading 15.5%, Open World 14.1%, Sci-fi 8.4%
Why You'll Like It: It combines space combat sim, RTS strategy, and 4X elements from a first-person perspective.
- #22 X2: The Threat
83% matchVery Positive83% of 534 reviews2006
Dev: Egosoft
Windows
Median: 24 minMean: 7.4 hrs≥1hr: 36%
X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.
Why similar: Space 42.8%, Space Sim 11.5%, Trading 11.2%, Open World 9.2%, Sci-fi 7.9%
Why You'll Like It: It offers a rich story campaign alongside open-ended trading and empire-building gameplay.
- #23 Rebel Galaxy Outlaw
82% matchMixed63% of 1,200 reviews2020
Dev: Double Damage Games
Windows
Median: 42 minMean: 9.0 hrs≥1hr: 43%
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 26.2%, Space 24.1%, Open World 19.4%, Sci-fi 12.9%, RPG 5.5%
Why You'll Like It: It serves as a prequel featuring immersive cockpit dogfighting and open-world mercenary storytelling.
- #24 EVERSPACE™
80% matchMostly Positive78% of 11,489 reviews2017
Dev: ROCKFISH Games
Windows · Mac · Linux
Median: 2.8 hrsMean: 9.9 hrs≥1hr: 75%
EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.
Why similar: Space 63.9%, Space Sim 16.5%, Sci-fi 10.6%, Action 3.7%, Indie 1.6%
Why You'll Like It: It provides intense arcade space dogfighting with rogue-lite mechanics.
- #25 Ostranauts
76% matchMostly Positive77% of 3,288 reviews2026
Dev: Blue Bottle GamesPub: Kitfox Games
Windows
Median: 6.8 hrsMean: 32.6 hrs≥1hr: 73%
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 33.5%, Space Sim 19.2%, Trading 12.1%, Open World 8.7%, Sandbox 6.5%
- #26 Celestial Command
81% matchMixed62% of 705 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 51.3%, Space Sim 10.9%, Sci-fi 7.8%, Simulation 7.4%, Sandbox 6.3%
Why You'll Like It: It features realistic physics-based space simulation and modular ship construction.
- #27 Interstellar Rift
79% matchMixed68% of 1,667 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.3 hrsMean: 35.6 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 26.3%, Space Sim 18.4%, Trading 16.6%, Open World 14.2%, Sci-fi 7.7%
Why You'll Like It: It is an open-world ship construction and crew management simulator.
- #28 Wayward Terran Frontier: Zero Falls
81% matchMixed67% of 544 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 26.1%, Space Sim 16.9%, Open World 14%, Trading 11.4%, Sci-fi 6.8%
Why You'll Like It: It focuses on detailed interior ship management and open-world space exploration.
- #29 Star Conflict
78% matchMostly Positive73% of 15,239 reviews2013
Dev: Star Gem Inc.Pub: Gaijin Network Ltd
Windows · Mac · Linux
Median: 2.0 hrsMean: 34.6 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: Trading 26.1%, Space Sim 24.6%, Open World 19.5%, Sci-fi 13%, Sandbox 8.1%
Why You'll Like It: It offers fast-paced multiplayer action for players who enjoy intense space combat maneuvers.
- #30 The Last Starship
74% matchMostly Positive75% of 1,705 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 6.1 hrsMean: 12.3 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 38.3%, Space Sim 21%, Sci-fi 11.8%, Sandbox 7.4%, Simulation 5.8%
- #31 Objects in Space
79% matchMixed52% of 625 reviews2019
Dev: Flat Earth GamesPub: 505 Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 6.6 hrs≥1hr: 70%
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 45.3%, Space Sim 13.4%, Simulation 9.6%, RPG 7.5%, Open World 6.1%
Why You'll Like It: It is a retro-styled 2D space simulation focusing on stealth, navigation, and component management.
- #32 Between the Stars
75% matchMostly Positive74% of 2,502 reviews2024
Dev: Isolated Games
Windows
Median: 2.5 hrsMean: 6.4 hrs≥1hr: 72%
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 43.9%, Space Sim 16.1%, Sci-fi 7.7%, Open World 6.7%, RPG 5.8%
- #33 Istrolid
77% matchVery Positive87% of 2,696 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 70.1%, Sci-fi 11.6%, Sandbox 7.4%, Strategy 3.7%, 2D 3.2%
- #34 Cosmoteer: Starship Architect & Commander
73% matchVery Positive94% of 12,916 reviews2022
Dev: Walternate Realities
Windows
Median: 19.3 hrsMean: 41.3 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 40.6%, Space Sim 20%, Sci-fi 17.2%, Simulation 4.8%, Exploration 4.5%
- #35 StarMade
77% matchMixed68% of 2,992 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 48.9%, Open World 15.5%, Sandbox 8.2%, Sci-fi 8.1%, Space Sim 7.4%
- #36 Starminer
71% matchMostly Positive73% of 1,894 reviews2026
Dev: CoolAndGoodGames
Windows
Median: 7.0 hrsMean: 26.4 hrs≥1hr: 82%
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.
Why similar: Space 28.2%, Trading 16.9%, Space Sim 16.6%, Open World 11.6%, Sci-fi 8.8%
- #37 Evochron Mercenary
76% matchMostly Positive77% of 436 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 46.9%, Space Sim 14.3%, Open World 10.7%, Sci-fi 8%, Simulation 7%
- #38 SpaceBourne 2
69% matchMostly Positive76% of 5,166 reviews2025
Dev: Burak Dabak
Windows
Median: 2.6 hrsMean: 11.1 hrs≥1hr: 72%
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 38%, Space Sim 27.9%, Open World 19.6%, RPG 7.4%, Economy 6.1%
- #39 Darkstar One
74% matchVery Positive83% of 628 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 46.6%, Space Sim 17.9%, Open World 10.8%, Sci-fi 10.7%, Simulation 3.6%
- #40 Transcendence
73% matchVery Positive89% of 228 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 35.9%, Open World 13.4%, Space Sim 12.6%, Trading 12.4%, Sci-fi 8.5%
- #41 3030 Deathwar Redux - A Space Odyssey
72% matchVery Positive94% of 1,169 reviews2017
Dev: Bird in SkyPub: Crunchy Leaf Games
Windows
Median: 7.5 hrsMean: 8.1 hrs≥1hr: 90%
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 40.4%, Open World 12.9%, Space Sim 11.4%, Sci-fi 8.8%, Simulation 5.5%
- #42 Starship EVO
71% matchVery Positive83% of 1,546 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.6 hrsMean: 6.4 hrs≥1hr: 59%
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 45.7%, Space Sim 12.6%, Open World 10.1%, Sci-fi 8%, Simulation 7.4%
- #43 Vanguard Galaxy
67% matchVery Positive91% of 589 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 34.9%, Trading 19%, Space Sim 18.4%, Sci-fi 9.9%, Sandbox 6.6%
- #44 Kinetic Void
75% matchOverwhelmingly Negative17% of 1,558 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 60.6%, Sci-fi 9.4%, Simulation 7.3%, Space Sim 7.2%, Sandbox 6.2%
- #45 Evochron Legacy SE
71% matchVery Positive83% of 446 reviews2016
Dev: StarWraith 3D Games LLC
Windows
Median: 1.5 hrsMean: 6.7 hrs≥1hr: 62%
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 29.5%, Space Sim 18.4%, Trading 15.6%, Open World 11.8%, Sci-fi 7.9%
- #46 X Rebirth
73% matchMixed44% of 7,317 reviews2013
Dev: Egosoft
Windows · Mac · Linux
Median: 3.3 hrsMean: 19.0 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 50.7%, Space Sim 11.3%, Sci-fi 10.4%, Simulation 7.9%, Open World 6.2%
- #47 FTL: Faster Than Light
69% matchOverwhelmingly Positive95% of 78,865 reviews2012
Dev: Subset Games
Windows · Mac · Linux
Median: 7.1 hrsMean: 34.2 hrs≥1hr: 89%
This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.
Why similar: Space 57.5%, Sci-fi 14.1%, Space Sim 12.8%, Simulation 3.3%, Top-Down 2.3%
- #48 ENDLESS Space™ 2
69% matchVery Positive83% of 23,109 reviews2017
Dev: AMPLITUDE Studios
Windows · Mac
Median: 6.2 hrsMean: 26.3 hrs≥1hr: 87%
ENDLESS Space™ 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS Universe™. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?
Why similar: Space 52.8%, Strategy 33%, Sci-fi 8.9%, Open World 3.1%, Sandbox 0.7%
- #49 Jumpdrive
72% 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 61.3%, Open World 16.6%, Simulation 11.2%, Action 4.2%, Adventure 4%
- #50 Starpoint Gemini 2
70% matchMixed70% of 4,120 reviews2014
Dev: Little Green Men Games
Windows
Median: 3.0 hrsMean: 5.4 hrs≥1hr: 88%
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
Why similar: Space 46.5%, Trading 12.8%, Space Sim 12.4%, Open World 10.4%, Sci-fi 7%
- #51 Battlevoid: Harbinger
70% matchMostly Positive79% of 1,061 reviews2016
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 1.9 hrsMean: 11.1 hrs≥1hr: 57%
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 67.1%, Simulation 7.9%, Sci-fi 7.1%, Open World 6.8%, Strategy 3%
- #52 Helium Rain
70% matchMostly Positive79% of 340 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 9.4 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 43.2%, Space Sim 24.9%, Trading 10.4%, Simulation 6.7%, Sci-fi 3.8%
- #53 Pixel Starships
66% matchMostly Positive73% of 3,020 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.2 hrsMean: 24.2 hrs≥1hr: 64%
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
Why similar: Space 47.2%, Space Sim 26.9%, Sci-fi 15.2%, RPG 4.5%, 2D 4.2%
- #54 Stellar Wanderer DX
65% matchMostly Positive73% of 64 reviews2026
Dev: Dream Builder StudiosPub: Leoful
Windows
Fight, trade, mine, and explore the galaxy in this old-school space combat simulator. You are a freelance pilot who survived an assassination attempt. Travel the open world, chase bounties, get new ships, upgrade your gear, and, why not, maybe even save humankind!
Why similar: Space 28.9%, Trading 18.8%, Space Sim 17.5%, Open World 11.8%, Sci-fi 9.2%
- #55 Starship Theory
65% matchMixed50% of 1,143 reviews2026
Dev: Reconnect Software
Windows · Mac · Linux
Median: 7.0 hrsMean: 14.9 hrs≥1hr: 75%
Starship Theory is a ship building survival game. Mine and trade to gather resources. Plan and construct new upgrades. Train and manage crew. Fight to survive.
Why similar: Space 64.7%, Sci-fi 14.2%, Simulation 10.9%, 2D 4.4%, Strategy 2.9%
- #56 Empyrion - Galactic Survival
66% matchMostly Positive78% of 34,438 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 36.8%, Space Sim 18.1%, Open World 15.9%, Sci-fi 9.4%, Simulation 6.2%
- #57 SpaceBourne
67% matchMostly Positive76% of 816 reviews2020
Dev: Burak Dabak
Windows
Median: 1.9 hrsMean: 9.6 hrs≥1hr: 59%
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 57.3%, Space Sim 18.9%, Simulation 9.5%, RPG 8.7%, Exploration 3.4%
- #58 Space Commander: War and Trade
68% matchMixed68% of 702 reviews2020
Dev: Home Net Games
Windows · Mac · Linux
Median: 1.2 hrsMean: 9.1 hrs≥1hr: 55%
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.
Why similar: Space 33.2%, Space Sim 30%, RPG 9%, Sci-fi 7.6%, Exploration 6.8%
- #59 Astrox: Hostile Space Excavation
68% matchVery Positive84% of 455 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 50.2%, Space Sim 15.4%, Open World 13.4%, Simulation 7.6%, Sandbox 6.6%