- #1 Starpoint Gemini Warlords
97% matchMostly Positive73% of 3,581 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 11.0 hrs≥1hr: 87%
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: Spaceships 19.6% ★, Space 18.5%, Space Sim 13.3%, Moddable 11% ★, Flight 8.2%
Why You'll Like It: This title refines the core mechanics of the series by adding strategic 4X elements and fleet management to the familiar RPG-heavy space sim foundation.
- #2 SpaceBourne 2
96% matchMostly Positive76% of 5,057 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 11.2 hrs≥1hr: 71%
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 23.8%, Space 19.8%, Flight 18.1%, Science 14%, Open World 9.2%
Why You'll Like It: It offers a massive, modern open-world experience that mirrors the ship-based RPG progression and tactical combat found in the Starpoint Gemini series.
- #3 Rebel Galaxy
96% matchVery Positive85% of 8,321 reviews2015
Dev: Double Damage Games
Windows · Mac
Median: 1.8 hrsMean: 13.5 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 45%, Space Sim 16%, Open World 10.4%, Sci-fi 8.1%, Trading 6.5%
Why You'll Like It: The broadside-focused combat and gritty, mercenary-themed atmosphere provide a very similar feel to the tactical ship engagements in Starpoint Gemini 2.
- #4 X4: Foundations
95% matchMostly Positive80% of 28,557 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.0 hrsMean: 94.7 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 18.7%, Space Sim 15.8%, Moddable 15.3% ★, Trading 14.6%, Flight 11.9%
Why You'll Like It: For players who want a deeper simulation, this offers the most comprehensive sandbox experience for managing fleets and navigating a living, breathing galaxy.
- #5 Star Traders: Frontiers
94% matchVery Positive84% of 3,777 reviews2018
Dev: Trese Brothers
Windows · Mac · Linux
Median: 3.4 hrsMean: 24.6 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: Moddable 18.2% ★, Trading 17.2%, Space Sim 16.2%, Space 14.4%, Tactical RPG 12.5%
Why You'll Like It: While top-down, it excels at the deep crew management and RPG decision-making that makes captaining a ship feel meaningful and personal.
- #6 Galaxy on Fire 2™ Full HD
94% matchMostly Positive77% of 2,232 reviews2012
Dev: Fishlabs Entertainment GmbHPub: bitComposer Games
Windows
Median: 48 minMean: 8.9 hrs≥1hr: 46%
A hyperdrive malfunction sends Keith T. Maxwell tumbling through space and time to fight for his life against a mysterious alien armada that is wreaking havoc.
Why similar: Space 31.6%, Space Sim 25%, Flight 17.3%, Sci-fi 6.3%, Third Person 6%
Why You'll Like It: This classic space RPG features a strong narrative and a satisfying loop of trading, upgrading, and dogfighting that feels like a spiritual cousin to the seed game.
- #7 SpaceBourne
93% matchMostly Positive77% of 807 reviews2020
Dev: Burak Dabak
Windows
Median: 1.9 hrsMean: 9.7 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 48%, Space Sim 25.9%, RPG 11.5%, Simulation 11.2%, Indie 3.4%
Why You'll Like It: As the predecessor to the sequel, it provides a solid foundation of RPG-lite mechanics and space exploration that aligns perfectly with the seed game's style.
- #8 Avorion
92% matchVery Positive90% of 14,391 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.7 hrsMean: 99.8 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: Spaceships 22.1% ★, Space 17.3%, Space Sim 16.4%, Flight 12.1%, Trading 10.8%
Why You'll Like It: It combines sandbox exploration with a unique ship-building system that allows for the same sense of progression and power growth found in the seed game.
- #9 Starcom: Unknown Space
91% matchVery Positive93% of 4,302 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 8.4 hrsMean: 16.9 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 41.3%, Space Sim 25.3%, Open World 12.9%, Sci-fi 7.8%, RPG 5.4%
Why You'll Like It: This game emphasizes exploration and discovery, rewarding players with ship upgrades and narrative encounters that feel very similar to the exploration loop of Starpoint Gemini.
- #10 X3: Terran Conflict
91% matchVery Positive85% of 2,848 reviews2008
Dev: Egosoft
Windows · Mac · Linux
Median: 1.1 hrsMean: 32.1 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 41.5%, Space Sim 16.2%, Trading 13.8%, Open World 6.5%, Simulation 6.4%
Why You'll Like It: A staple of the space simulation genre, it provides the deep economic and tactical depth that fans of the Starpoint Gemini series often appreciate.
- #11 Endless Sky
90% matchVery Positive92% of 7,005 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 46.2%, Trading 13.4%, Space Sim 12.3%, Open World 10.2%, Sci-fi 6.9%
Why You'll Like It: A classic open-world space game that focuses on trading, combat, and ship customization within a vast, procedurally generated galaxy.
- #12 Between the Stars
89% matchMostly Positive75% of 2,444 reviews2024
Dev: Isolated Games
Windows
Median: 54 minMean: 8.8 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 35.1%, Space Sim 20.7%, RPG 7.4%, Tactical RPG 6.5%, Simulation 6.4%
Why You'll Like It: Designed specifically to capture the feel of classic space RPGs, it features a mix of combat and narrative choices that directly echo the seed game.
- #13 VoidExpanse
89% matchMostly Positive71% of 763 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 44.3%, Moddable 15.9% ★, Open World 11.9%, Sci-fi 8.5%, RPG 7.6%
Why You'll Like It: This top-down space RPG features a robust faction system and skill-based progression that mirrors the tactical and RPG elements of Starpoint Gemini 2.
- #14 EVERSPACE™ 2
87% matchVery Positive86% of 12,733 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.6 hrsMean: 28.9 hrs≥1hr: 88%
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 36.3%, Flight 19.4%, Open World 13.4%, Sci-fi 8%, Third Person 6.8%
Why You'll Like It: While more action-oriented, its focus on loot, ship progression, and exploration makes it a high-quality modern alternative for space sim fans.
- #15 Starcom: Nexus
88% matchVery Positive91% of 2,295 reviews2019
Dev: Wx3 Labs, LLC
Windows · Linux
Median: 3.7 hrsMean: 13.4 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 49.1%, Space Sim 18.3%, Sci-fi 10.5%, Open World 9.4%, RPG 7.2%
Why You'll Like It: It offers a charming exploration-focused experience with modular ship building and RPG elements that feel very accessible and rewarding.
- #16 Void Destroyer 2
86% matchVery Positive80% of 667 reviews2020
Dev: Iteration 11
Windows
Median: 2.8 hrsMean: 14.5 hrs≥1hr: 75%
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 18.9%, Space 17.9%, Moddable 14.5% ★, Trading 14.2%, Flight 10.9%
Why You'll Like It: This title blends tactical combat with sandbox elements, allowing players to command ships and fleets in a way that feels familiar to Starpoint Gemini veterans.
- #17 Elite Dangerous
85% matchMostly Positive77% of 105,919 reviews2015
Dev: Frontier Developments
Windows
Median: 18.3 hrsMean: 147.5 hrs≥1hr: 89%
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Why similar: Space 32.6%, Space Sim 31.2%, Open World 11.6%, Trading 8.8%, Sci-fi 7.4%
Why You'll Like It: For those who want to take the simulation aspect to the next level, this offers an unparalleled scale of exploration and ship-based gameplay.
- #18 X Rebirth
86% matchMixed44% of 7,309 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 46.1%, Space Sim 16.8%, Simulation 10.1%, Sci-fi 9.6%, Trading 5.4%
Why You'll Like It: It offers a more streamlined, story-focused entry in the X series that shares the ship-centric gameplay loop of the seed game.
- #19 Darkstar One
84% matchVery Positive83% of 614 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 41.6%, Space Sim 26%, Sci-fi 9.6%, Open World 8.7%, Action 4.7%
Why You'll Like It: A classic space opera RPG that focuses on upgrading a single, customizable ship while navigating a story-rich galaxy.
- #20 Starpoint Gemini 3
84% matchMixed50% of 870 reviews2020
Dev: Little Green Men Games
Windows
Median: 3.2 hrsMean: 5.0 hrs≥1hr: 87%
Fight, loot, explore and craft in the living open world of Starpoint Gemini 3. Assemble your trusty ship and boost your RPG skills to face all challenges.
Why similar: Spaceships 27.6% ★, Space 21.4%, Space Sim 18.6%, Open World 7.4%, Sci-fi 6%
Why You'll Like It: The latest entry in the series shifts the focus to a more personal, character-driven experience while retaining the core space-sim DNA.
- #21 Cosmoteer: Starship Architect & Commander
80% matchVery Positive94% of 12,599 reviews2022
Dev: Walternate Realities
Windows
Median: 19.4 hrsMean: 41.0 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: Spaceships 31% ★, Space 25.6%, Space Sim 20.8%, Sci-fi 11.1%, Simulation 4.4%
Why You'll Like It: It offers a unique tactical perspective where ship design directly dictates combat performance, appealing to the strategic side of the seed game.
- #22 Evochron Legacy SE
82% matchVery Positive83% of 442 reviews2016
Dev: StarWraith 3D Games LLC
Windows
Median: 1.5 hrsMean: 6.8 hrs≥1hr: 60%
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 27.1%, Space 26.5%, Trading 20%, Open World 9.6%, Sci-fi 7.2%
Why You'll Like It: This is a more hardcore simulation that rewards players who enjoy the technical aspects of space flight and ship management.
- #23 Space Pirates And Zombies 2
82% matchMostly Positive79% of 2,833 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 54.6%, Open World 12.2%, RPG 7.4%, Sci-fi 6.7%, Space Sim 5.7%
Why You'll Like It: The tactical combat and faction-based gameplay provide a chaotic and engaging experience for those who enjoy the combat loops of the seed game.
- #24 Starpoint Gemini
83% matchMostly Negative32% of 151 reviews2012
Dev: Little Green Men Games
Windows
Median: 42 minMean: 11.3 hrs≥1hr: 42%
Gemini is a dangerous place with riches waiting to be claimed by the more daring and capable captain.
Why similar: Space 39.6%, Space Sim 18.8%, RPG 16.3%, Simulation 15.4%, Sci-fi 8.8%
Why You'll Like It: The original game in the series provides the foundational experience for the franchise, showcasing the roots of the tactical RPG gameplay.
- #25 Wayward Terran Frontier: Zero Falls
81% matchMixed68% of 537 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 24.5%, Space 23.1%, Trading 14.4%, Open World 11.2%, Destruction 6.9%
Why You'll Like It: This sandbox RPG features complex ship systems and exploration that cater to players who enjoy tinkering with their vessel's capabilities.
- #26 Chorus
78% matchVery Positive82% of 4,520 reviews2021
Dev: Deep Silver FishlabsPub: Deep Silver
Windows
Median: 3.2 hrsMean: 9.7 hrs≥1hr: 68%
Take control of Nara on a quest to destroy the dark cult that created her. Unlock devastating weapons & mind-bending abilities in an evolution of the space-combat shooter. Along with Forsaken, her sentient starfighter, explore ancient temples, engage in zero-g combat & venture beyond waking reality.
Why similar: Spaceships 31.9% ★, Space 23.5%, Space Sim 10.9%, Flight 10.1%, Action 6.7%
Why You'll Like It: This game delivers high-octane space combat and a strong narrative focus, perfect for players who enjoyed the action segments of Starpoint Gemini 2.
- #27 Star Nomad 2
81% 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 39.9%, Space Sim 13.4%, RPG 10.5%, Open World 10.3%, Simulation 9.7%
Why You'll Like It: A fast-paced, RPG-heavy space sim that focuses on the life of a freelancer in a dangerous, lawless galaxy.
- #28 Nexus - The Jupiter Incident
79% matchVery Positive86% of 1,062 reviews2007
Dev: Mithis GamesPub: HandyGames
Windows
Median: 1.9 hrsMean: 12.1 hrs≥1hr: 64%
Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."
Why similar: Space 51%, Spaceships 15.9% ★, Sci-fi 12.5%, Moddable 9.2% ★, Simulation 6.2%
Why You'll Like It: A tactical space combat game that focuses heavily on ship management and fleet tactics, perfect for those who enjoyed the tactical depth of the seed game.
- #29 Celestial Command
79% matchMixed63% of 698 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 49%, Space Sim 17.3%, Simulation 10.2%, Sci-fi 7.6%, RPG 6.2%
Why You'll Like It: This physics-based space sim allows for deep ship customization and tactical management, appealing to the engineering side of space exploration.
- #30 Stellar Wanderer DX
75% matchMostly Positive71% of 56 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 18.9%, Space Sim 18.6%, Trading 17.5%, Flight 14.6%, Open World 6.9%
- #31 Space Engineers 2
74% matchMostly Positive76% of 4,590 reviews2025
Dev: Keen Software House
Windows
Median: 1.4 hrsMean: 7.9 hrs≥1hr: 60%
Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.
Why similar: Space 21%, Moddable 18.1% ★, Space Sim 13.9%, Destruction 13.1%, Science 13.1%
- #32 Astrox Imperium
76% matchVery Positive85% of 1,220 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 45.5%, Space Sim 25.2%, Open World 9.6%, Simulation 7.5%, Sci-fi 5.4%
- #33 X3: Reunion
78% matchMostly Positive72% of 728 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 38.8%, Space Sim 21.3%, Trading 9.6%, Flight 9%, Sci-fi 6.9%
- #34 Evochron Mercenary
77% 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 38.9%, Space Sim 19.4%, Simulation 8.2%, Flight 8%, Open World 8%
- #35 Interstellar Rift
76% matchMixed68% of 1,660 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.5 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 23.9%, Space 20.9%, Trading 18.8%, Open World 10.2%, Futuristic 8.1%
- #36 X2: The Threat
77% matchVery Positive83% of 522 reviews2006
Dev: Egosoft
Windows
Median: 24 minMean: 7.4 hrs≥1hr: 35%
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 38.5%, Space Sim 16.9%, Trading 14.4%, Open World 7.5%, Sci-fi 7.2%
- #37 Space Rangers HD: A War Apart
75% matchVery Positive94% of 7,172 reviews2013
Dev: SNK GamesPub: Fulqrum Publishing
Windows
Median: 4.0 hrsMean: 27.8 hrs≥1hr: 89%
Space adventure, open world RPG, strategy, arcade, quest and more!
Why similar: Space 61.9%, RPG 10.7%, Open World 9.8%, Sci-fi 7.1%, Simulation 5.4%
- #38 Star Conflict
74% matchMostly Positive73% of 15,162 reviews2013
Dev: Star Gem Inc.Pub: Gaijin Network Ltd
Windows · Mac · Linux
Median: 2.0 hrsMean: 34.5 hrs≥1hr: 62%
Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!
Why similar: Space Sim 19.4%, Trading 18.1%, Flight 14.8%, Science 14.7%, Open World 8.5%
- #39 Space Pirates and Zombies
73% matchVery Positive91% of 3,154 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 59.5%, Sci-fi 10.8%, Open World 9%, RPG 6.6%, Spaceships 5.6% ★
- #40 Starship EVO
72% matchVery Positive84% of 1,435 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.5 hrsMean: 6.4 hrs≥1hr: 57%
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 36.2%, Space Sim 16.6%, Spaceships 12.4% ★, Simulation 8.4%, Open World 7.1%
- #41 Helium Rain
73% matchMostly Positive79% of 332 reviews2018
Dev: Deimos Games
Windows · Linux
Median: 3.3 hrsMean: 8.6 hrs≥1hr: 73%
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 38.1%, Space Sim 35.9%, Trading 12.5%, Simulation 8.4%, Action 2.8%
- #42 Salvation Prophecy
73% matchMixed67% of 227 reviews2013
Dev: Firedance Games
Windows · Linux
Median: 54 minMean: 4.7 hrs≥1hr: 49%
Salvation Prophecy is a military space epic. Human, mutant, and robotic factions are at war for galactic domination. Battles rage as space fleets collide. Invaders clash against fortified enemy colonies. Yet the greatest danger is the impending annihilation foretold by an apocalyptic prophecy.
Why similar: Space 48.7%, RPG 15.8%, Simulation 13.1%, Sci-fi 11%, Action 7.2%
- #43 Freespace 2
72% matchMostly Positive79% of 317 reviews2014
Dev: Volition IncPub: Interplay Corp
Windows
Median: 6 minMean: 7.5 hrs≥1hr: 24%
FreeSpace 2, the follow up to the classic Descent: FreeSpace – The Great War is ready to engage you in the second round. Follow the Grand Terran Vasudan Alliance further into the mysteries of the Shivans. Get your flight stick and hit the flight deck. The last time was just a warm up.
Why similar: Space 46.7%, Space Sim 16.4%, Moddable 12.3% ★, Sci-fi 10.8%, Simulation 6.3%
- #44 Sins of a Solar Empire®: Rebellion
70% matchVery Positive93% of 16,284 reviews2012
Dev: Ironclad Games CorporationPub: Stardock Entertainment
Windows
Median: 4.9 hrsMean: 16.6 hrs≥1hr: 86%
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
Why similar: Space 38.1%, Space Sim 34.4%, Sci-fi 11.9%, Simulation 8.3%, 3D 4.9%
- #45 Rebel Galaxy Outlaw
71% matchMixed64% of 1,154 reviews2020
Dev: Double Damage Games
Windows
Median: 42 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 28.1%, Space 15.8%, Open World 11.6%, Sci-fi 8.6%, Futuristic 7.7%
- #46 Star Valor
69% matchVery Positive89% of 3,349 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 52.9%, Open World 15.4%, Sci-fi 10.3%, RPG 9.3%, Atmospheric 4.6%
- #47 Destination Sol
71% 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 54.7%, Open World 18%, RPG 13.4%, Action 5.6%, Indie 4.1%
- #48 Objects in Space
71% matchMixed52% of 614 reviews2019
Dev: Flat Earth GamesPub: 505 Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 6.7 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 39.2%, Space Sim 18.5%, Simulation 12.5%, RPG 10.8%, Open World 5.2%
- #49 Cosmic Miners
68% matchMixed58% of 60 reviews2025
Dev: bitByte Games
Windows
Explore asteroid fields, trade rare resources, and upgrade your ship in Cosmic Miners. Navigate faction alliances, complete missions, and rise through the ranks in a dynamic space adventure where your choices shape your path to cosmic power.
Why similar: Space Sim 22.4%, Space 21.5%, Flight 12.7%, Destruction 10.9%, Open World 7.3%
- #50 Space Commander: War and Trade
70% matchMixed67% of 694 reviews2020
Dev: Home Net Games
Windows · Mac · Linux
Median: 1.2 hrsMean: 9.2 hrs≥1hr: 56%
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 Sim 29.5%, Flight 20.5%, Space 20%, RPG 8.6%, Futuristic 8.5%
- #51 Kerbal Space Program 2
70% matchMostly Negative26% of 31,673 reviews2023
Dev: Intercept GamesPub: Private Division
Windows
Median: 7.7 hrsMean: 19.3 hrs≥1hr: 86%
Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.
Why similar: Space 26%, Science 18.3%, Space Sim 18%, Moddable 14.6% ★, Open World 8.4%
- #52 ENDLESS™ Space 2
68% matchVery Positive83% of 22,888 reviews2017
Dev: AMPLITUDE Studios
Windows · Mac
Median: 6.3 hrsMean: 26.0 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 74.2%, Sci-fi 12.7%, Moddable 5.1% ★, Open World 3.9%, Atmospheric 1.1%
- #53 Spaceflight Simulator
66% matchOverwhelmingly Positive97% of 9,030 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 5.3 hrsMean: 15.0 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 24.6%, Space Sim 23.1%, Spaceships 18.7% ★, Science 13.4%, Moddable 6.8% ★
- #54 ΔV: Rings of Saturn
64% matchVery Positive93% of 3,347 reviews2023
Dev: Kodera Software
Windows · Mac · Linux
Median: 8.3 hrsMean: 11.6 hrs≥1hr: 84%
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 31.1%, Space Sim 22.3%, Science 16.6%, Sci-fi 9.1%, Open World 9.1%
- #55 Hardspace: Shipbreaker
64% matchVery Positive89% of 21,927 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 24.1 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 35.8%, Destruction 17.7%, Space Sim 16.4%, Sci-fi 10.4%, Futuristic 7.2%
- #56 Strike Suit Zero
68% matchMostly Positive77% of 1,667 reviews2013
Dev: Born Ready Games
Windows · Mac · Linux
Median: 1.7 hrsMean: 3.4 hrs≥1hr: 70%
Pilot the mecha Strike Suit across massive fleet battles where your dogfighting skills decide Earth's fate. Fast, frantic space combat with capital ship destruction, multiple endings, and a universe that's anything but empty. This is space combat reborn.
Why similar: Space 47.3%, Flight 13.7%, Space Sim 13%, Sci-fi 10.6%, Simulation 5.4%
- #57 Ostranauts
66% matchVery Positive80% of 2,556 reviews2020
Dev: Blue Bottle GamesPub: Kitfox Games
Windows
Median: 5.5 hrsMean: 30.3 hrs≥1hr: 72%
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
Why similar: Spaceships 21.9% ★, Flight 18.9%, Space 15.7%, Space Sim 13.7%, Trading 13%
- #58 Naev
67% matchVery Positive80% of 224 reviews2017
Dev: Naev Team
Windows · Mac · Linux
Median: 2.1 hrsMean: 15.0 hrs≥1hr: 58%
Naev is a game about space exploration, trade and combat. Players travel the galaxy and earn money by trading, fighting and performing missions.
Why similar: Space 22.4%, Space Sim 19.5%, Trading 19.1%, Moddable 15% ★, Open World 7.4%
- #59 Gaia Beyond
67% matchMostly Positive76% of 263 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 25.9%, Space Sim 24.3%, Trading 20.2%, Open World 10.6%, Sci-fi 8.5%
- #60 Jumpdrive
69% 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 59.1%, Simulation 15.2%, Open World 14.4%, Action 6%, Indie 5.2%