- #1 Star Valor
97% matchVery Positive89% of 3,325 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 28.8 hrs≥1hr: 78%
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
Why similar: Space 48.2%, Open World 15.3%, Sci-fi 9.3%, Sandbox 7.9%, RPG 5.3%
Why You'll Like It: A highly addictive 2D space sandbox that emphasizes ship building, loot, and open-world exploration.
- #2 Cosmoteer: Starship Architect & Commander
96% 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 40.2%, Space Sim 19.9% ★, Sci-fi 17.1%, Simulation 5.1%, Exploration 4.4%
Why You'll Like It: Offers deep 2D ship design and fleet combat mechanics that reward strategic engineering.
- #3 Naev
96% matchVery Positive81% of 222 reviews2017
Dev: Naev Team
Windows · Mac · Linux
Median: 2.1 hrsMean: 14.9 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 29.2%, Trading 18.6% ★, Space Sim 15.6% ★, Open World 10.5%, Sci-fi 6.5%
Why You'll Like It: This open-source title is the closest spiritual successor to the Escape Velocity series that inspired Endless Sky.
- #4 Space Pirates and Zombies
95% 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 58%, Sci-fi 10.3%, Open World 9.6%, RPG 4%, Top-Down 3.2%
Why You'll Like It: Features top-down 2D space combat with a strong focus on ship customization and fleet management.
- #5 Reassembly
94% 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 57.5%, Sandbox 10.2%, Open World 9.2%, Sci-fi 5.9%, 2D 4.1%
Why You'll Like It: Focuses on modular 2D ship building and large-scale fleet combat in a procedurally generated universe.
- #6 Rebel Galaxy
94% 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 49.4%, Open World 12.4%, Space Sim 10.6% ★, Sci-fi 8.8%, Trading 5.3% ★
Why You'll Like It: Features a similar mission-based structure with a focus on trading, combat, and ship upgrades.
- #7 Star Traders: Frontiers
93% 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 21.9%, Trading 19.5% ★, Space Sim 15.1% ★, Sci-fi 11.2%, Open World 10%
Why You'll Like It: Provides a deep, narrative-driven experience centered on trading, crew management, and faction politics.
- #8 Avorion
91% 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 29.3%, Space Sim 17.1% ★, Trading 13.7% ★, Open World 12.6%, Sci-fi 8.2%
Why You'll Like It: A sandbox space sim that excels in ship building and large-scale exploration in a vast galaxy.
- #9 Transcendence
92% 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 35.6%, Trading 13.2% ★, Open World 13.1%, Space Sim 12.6% ★, Sci-fi 8.4%
Why You'll Like It: A classic 2D space roguelike that captures the same sense of gradual ship progression and discovery.
- #10 X4: Foundations
90% 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 27.5%, Trading 18.9% ★, Space Sim 16.6% ★, Open World 8.7%, Sci-fi 6%
Why You'll Like It: The gold standard for deep space economy and fleet management simulation for players wanting more complexity.
- #11 VoidExpanse
91% 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 51.6%, Open World 15.1%, Sci-fi 9.8%, Sandbox 5.6%, RPG 5.6%
Why You'll Like It: A 2D space action-RPG that mirrors the exploration and trading loops found in Endless Sky.
- #12 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 49.8%, Space Sim 11.4% ★, Sci-fi 10.5%, Open World 10.4%, RPG 4.6%
Why You'll Like It: Focuses heavily on exploration, scientific discovery, and modular ship upgrades in a sci-fi setting.
- #13 EVERSPACE™ 2
88% matchVery Positive86% of 12,587 reviews2023
Dev: ROCKFISH Games
Windows · Mac
Median: 7.7 hrsMean: 29.1 hrs≥1hr: 87%
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
Why similar: Space 46.1%, Open World 18.6%, Sci-fi 10.1%, Exploration 5.4%, Simulation 5.3%
Why You'll Like It: A fast-paced space action game with deep loot mechanics and a rewarding progression system.
- #14 Starpoint Gemini Warlords
89% matchMostly Positive73% of 3,569 reviews2017
Dev: Little Green Men Games
Windows
Median: 4.1 hrsMean: 11.0 hrs≥1hr: 88%
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
Why similar: Space 38.8%, Space Sim 17.1% ★, Open World 14.9%, Sci-fi 9.7%, Sandbox 5.3%
Why You'll Like It: Blends space combat with fleet management and territory control, perfect for players who enjoy leading a fleet.
- #15 Starcom: Unknown Space
86% 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 44.1%, Space Sim 16.7% ★, Open World 14.9%, Sci-fi 8.1%, Exploration 4.5%
Why You'll Like It: Refines the exploration and discovery mechanics of its predecessor with a focus on player agency.
- #16 Elite Dangerous
87% 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 35.8%, Space Sim 21% ★, Open World 13.9%, Sci-fi 8%, Trading 7.2% ★
Why You'll Like It: Provides an unparalleled open-world space trading and exploration experience on a 1:1 scale of the galaxy.
- #17 EVE Online
86% matchMostly Positive74% of 38,402 reviews2010
Dev: CCP
Windows · Mac
Median: 3.0 hrsMean: 136.7 hrs≥1hr: 73%
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 27.4%, Trading 18.1% ★, Space Sim 15.7% ★, Open World 12.2%, Sci-fi 6.8%
Why You'll Like It: The definitive massive-scale space economy and faction warfare game for those who want a persistent universe.
- #18 Astrox Imperium
85% 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 50.9%, Space Sim 17% ★, Open World 11.5%, Simulation 6.2%, Sci-fi 5.7%
Why You'll Like It: An indie space sim that offers a deep, grind-heavy progression system similar to classic space RPGs.
- #19 Void Destroyer 2
84% matchVery Positive80% of 664 reviews2020
Dev: Iteration 11
Windows
Median: 2.4 hrsMean: 14.5 hrs≥1hr: 74%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: Space 27.6%, Space Sim 17.9% ★, Trading 16.3% ★, Open World 13.7%, Sci-fi 8.2%
Why You'll Like It: Combines space simulation with real-time strategy elements for a unique approach to fleet command.
- #20 X3: Terran Conflict
84% matchVery Positive85% of 2,841 reviews2008
Dev: Egosoft
Windows · Mac · Linux
Median: 1.1 hrsMean: 32.2 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 46.5%, Trading 11.5% ★, Space Sim 11.1% ★, Open World 7.9%, Sci-fi 6.9%
Why You'll Like It: A complex space simulation known for its deep trading, economy, and fleet management capabilities.
- #21 Star Conflict
82% matchMostly Positive73% of 15,084 reviews2013
Dev: Star Gem Inc.Pub: Gaijin Network Ltd
Windows · Mac · Linux
Median: 2.0 hrsMean: 34.3 hrs≥1hr: 63%
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 27.5% ★, Space Sim 24.2% ★, Open World 18.8%, Sci-fi 12.8%, Sandbox 8.1%
Why You'll Like It: A fast-paced, multiplayer-focused space combat game with a variety of ship classes to customize.
- #22 Wayward Terran Frontier: Zero Falls
83% 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 25.8%, Space Sim 16.8% ★, Open World 13.6%, Trading 12% ★, Sci-fi 6.7%
Why You'll Like It: A sandbox space simulation that allows for highly detailed modular ship design and crew management.
- #23 Shortest Trip to Earth
81% matchMostly Positive77% of 1,426 reviews2019
Dev: Interactive Fate
Windows · Linux
Median: 3.2 hrsMean: 6.6 hrs≥1hr: 88%
Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat.
Why similar: Space 47.9%, Space Sim 17.1% ★, Sci-fi 13.9%, Simulation 5.7%, Exploration 5.5%
Why You'll Like It: A challenging space survival game that requires intense ship management and tactical decision-making.
- #24 Objects in Space
82% 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 44.3%, Space Sim 12.8% ★, Simulation 10.5%, RPG 7.7%, Open World 6.4%
Why You'll Like It: A unique simulation game that focuses on realistic ship systems and navigation in a retro-futuristic setting.
- #25 VEGA Conflict
81% matchMixed58% of 4,985 reviews2015
Dev: KIXEYE
Windows · Mac
Median: 2.7 hrsMean: 90.8 hrs≥1hr: 63%
Stake your claim, command your fleets, and wage epic war in space.
Why similar: Space 54.4%, Open World 15.2%, Sci-fi 9.4%, Sandbox 6.5%, 2D 5.6%
Why You'll Like It: A 2D strategy-focused space game that emphasizes long-term fleet development and faction warfare.
- #26 Istrolid
80% matchVery Positive87% of 2,684 reviews2016
Dev: treeform
Windows · Mac · Linux
Median: 1.0 hrsMean: 10.8 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 69.7%, Sci-fi 11.5%, Sandbox 7.5%, Strategy 3.9%, 2D 3.3%
Why You'll Like It: Focuses on the tactical side of fleet building and combat with a highly customizable ship design system.
- #27 Between the Stars
76% 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 43.8%, Space Sim 15.9% ★, Sci-fi 7.7%, Open World 6.5%, Simulation 5.9%
- #28 Evochron Mercenary
79% 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 46.7%, Space Sim 14.2% ★, Open World 10.4%, Sci-fi 7.9%, Simulation 7.3%
Why You'll Like It: A hardcore space simulation that features Newtonian physics and a focus on free-form trading and combat.
- #29 ΔV: Rings of Saturn
74% 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 37.9%, Space Sim 16.7% ★, Open World 12.1%, Sci-fi 10.9%, Sandbox 4.3%
- #30 Galaxy on Fire 2™ Full HD
78% matchMostly Positive77% of 2,219 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 49.5%, Space Sim 24% ★, Sci-fi 9.7%, Exploration 5.6%, Simulation 4.9%
Why You'll Like It: A classic space trading and combat game that features a structured campaign and satisfying ship progression.
- #31 Flatspace IIk
79% 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 29%, RPG 27.7%, Adventure 15.9%, Action 13.5%, Indie 7.3%
Why You'll Like It: A 2D space exploration game that emphasizes ship upgrades and surviving in a dangerous galaxy.
- #32 Destination Sol
78% 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 56.5%, Open World 20.2%, RPG 8.7%, 2D 4%, Action 3.7%
- #33 The Last Starship
71% 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 38%, Space Sim 20.8% ★, Sci-fi 11.6%, Sandbox 7.5%, Simulation 6.1%
- #34 EVERSPACE™
75% matchMostly Positive78% of 11,373 reviews2017
Dev: ROCKFISH Games
Windows · Mac · Linux
Median: 2.8 hrsMean: 10.0 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 64%, Space Sim 16.4% ★, Sci-fi 10.6%, Action 3.6%, Indie 1.6%
- #35 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 50.8%, Space Sim 11% ★, Simulation 7.8%, Sci-fi 7.8%, Sandbox 6.4%
- #36 X3: Reunion
77% 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 43.7%, Space Sim 14.8% ★, Trading 8.1% ★, Sci-fi 7.7%, Open World 7.3%
- #37 StarMade
76% 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 48.9%, Open World 15.2%, Sandbox 8.3%, Sci-fi 8%, Space Sim 7.4% ★
- #38 Interstellar Rift
74% 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 26.1%, Space Sim 18.2% ★, Trading 17.5% ★, Open World 13.8%, Sci-fi 7.6%
- #39 Space Pirates And Zombies 2
73% 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 54.2%, Open World 13.3%, Sci-fi 6.5%, RPG 4.6%, Simulation 4.1%
- #40 X2: The Threat
75% matchVery Positive83% of 518 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 42.3%, Trading 11.8% ★, Space Sim 11.4% ★, Open World 9%, Sci-fi 7.8%
- #41 SpaceBourne 2
67% 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 37.7%, Space Sim 27.9% ★, Open World 19.1%, RPG 7.4%, Economy 6.8%
- #42 Vanguard Galaxy
68% matchVery Positive90% of 353 reviews2025
Dev: Bat Roost Games
Windows
A relaxing game about space exploration that can be played full screen or at the bottom of your screen. Trade, fight, mine and salvage your way through a procedurally generated galaxy. Let the game idle while your autopilot handles business and builds your fortune.
Why similar: Space 38.5%, Space Sim 14.3% ★, Trading 13.8% ★, Sci-fi 9.2%, Sandbox 7.4%
- #43 3030 Deathwar Redux - A Space Odyssey
72% 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 40.4%, Open World 12.7%, Space Sim 11.3% ★, Sci-fi 8.8%, Simulation 5.8%
- #44 Darkstar One
73% matchVery Positive83% of 609 reviews2008
Dev: Ascaron Entertainment ltd.Pub: Strategy First
Windows
Median: 1.0 hrsMean: 8.8 hrs≥1hr: 50%
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
Why similar: Space 46.7%, Space Sim 17.9% ★, Sci-fi 10.6%, Open World 10.6%, Simulation 3.8%
- #45 FTL: Faster Than Light
69% matchOverwhelmingly Positive95% of 77,568 reviews2012
Dev: Subset Games
Windows · Mac · Linux
Median: 7.1 hrsMean: 33.7 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 57.2%, Sci-fi 14%, Space Sim 12.7% ★, Simulation 3.5%, Top-Down 2.3%
- #46 Helium Rain
71% 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 45%, Space Sim 26% ★, Trading 10.2% ★, Simulation 7.2%, Exploration 3.6%
- #47 X Rebirth
73% 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 50.4%, Space Sim 11.1% ★, Sci-fi 10.3%, Simulation 8.2%, Open World 6%
- #48 ENDLESS™ Space 2
69% matchVery Positive83% of 22,789 reviews2017
Dev: AMPLITUDE Studios
Windows · Mac
Median: 6.3 hrsMean: 25.9 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%, Strategy 34%, Sci-fi 8.7%, Open World 3%, Sandbox 0.7%
- #49 Pixel Starships
67% matchMostly Positive73% of 2,914 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.3 hrsMean: 24.8 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 47.1%, Space Sim 26.9% ★, Sci-fi 15%, RPG 4.5%, 2D 4.3%
- #50 Ostranauts
68% 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: Space 27.7%, Trading 17.2% ★, Space Sim 14.7% ★, Open World 11.3%, Sci-fi 7.8%
- #51 Evochron Legacy SE
70% 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 29.3%, Space Sim 18.2% ★, Trading 16.4% ★, Open World 11.4%, Sci-fi 7.8%
- #52 Battlevoid: Harbinger
70% 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 66.8%, Simulation 8.2%, Sci-fi 7.1%, Open World 6.7%, Strategy 3.1%
- #53 Astrox: Hostile Space Excavation
70% 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 50.1%, Space Sim 15.3% ★, Open World 13.1%, Simulation 8%, Sandbox 6.7%
- #54 Learn to Fly 3
67% matchVery Positive95% of 10,991 reviews2017
Dev: Light Bringer Games inc.
Windows
Median: 2.2 hrsMean: 7.6 hrs≥1hr: 71%
Build your spaceship from scratch, earn funds and invest them into building a bigger, better spaceship as you try and fly your way up to space!
Why similar: Space 56.1%, Sandbox 13.5%, Simulation 11.8%, 2D 6.6%, Singleplayer 4.4%
- #55 Jumpdrive
71% 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 61.2%, Open World 16.2%, Simulation 11.7%, Action 4%, Adventure 3.9%
- #56 Kinetic Void
72% 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 60.4%, Sci-fi 9.3%, Simulation 7.7%, Space Sim 7.2% ★, Sandbox 6.3%
- #57 Starpoint Gemini 2
69% matchMixed69% of 4,112 reviews2014
Dev: Little Green Men Games
Windows
Median: 3.0 hrsMean: 5.3 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%, Trading 13.5% ★, Space Sim 12.3% ★, Open World 10.2%, Sci-fi 6.9%
- #58 Unnamed Space Idle
64% matchVery Positive93% of 3,991 reviews2023
Dev: SylvPub: Jdog Corp
Windows · Linux
Median: 10.6 hrsMean: 282.7 hrs≥1hr: 78%
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.
Why similar: Space 64.1%, Sci-fi 14.2%, Simulation 12.4%, 2D 4.7%, Singleplayer 2.9%
- #59 Empyrion - Galactic Survival
65% 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 36.8%, Space Sim 18% ★, Open World 15.6%, Sci-fi 9.4%, Simulation 6.5%
- #60 Final Upgrade
65% matchMostly Positive77% of 451 reviews2022
Dev: TaosX
Windows
Median: 2.9 hrsMean: 12.2 hrs≥1hr: 67%
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!
Why similar: Space 39.4%, Open World 16.2%, Space Sim 15.6% ★, Sci-fi 10.4%, Sandbox 6.3%