- #1 Starcom: Nexus
97% 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 33.7%, Space Sim 19.4% ★, RPG 9.6%, Open World 7.9%, Sci-fi 7.3%
- #2 Star Valor
96% matchVery Positive89% of 3,325 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 28.8 hrs≥1hr: 78%
Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.
Why similar: Space 31.8%, Top-Down Shooter 18.3%, Sandbox 12.5%, Open World 11.3%, RPG 10.8%
- #3 Starcom: Unknown Space
96% 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 23.8%, Space Sim 22.8% ★, Top-Down Shooter 13.2%, Open World 9%, Building 7.7%
- #4 Between the Stars
95% 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 29.3%, Space Sim 27% ★, RPG 11.9%, Sandbox 6.3%, Action 5.9%
- #5 3030 Deathwar Redux - A Space Odyssey
94% 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 29.8%, Space Sim 21.2% ★, Open World 10.5%, Adventure 8.7%, Sandbox 7.3%
- #6 Kinetic Void
94% 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 44%, Space Sim 13.2% ★, Sandbox 11%, Building 9.1%, Sci-fi 7%
- #7 Void Destroyer 2
93% matchVery Positive80% of 664 reviews2020
Dev: Iteration 11
Windows
Median: 2.4 hrsMean: 14.5 hrs≥1hr: 74%
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
Why similar: Space Sim 31.6% ★, Space 19.3%, Building 12.3%, Open World 10.7%, Sandbox 10%
- #8 BossConstructor
92% matchMostly Positive73% of 217 reviews2016
Dev: Neomateria Games GmbH
Windows · Mac · Linux
Median: 3.6 hrsMean: 6.8 hrs≥1hr: 77%
Scavenge modules, combine them in the deadliest and most efficient ways imaginable, and fly your very own spaceship through alien space with BossConstructor. Thousands of procedurally generated galaxies await you and your space-faring collection of assembled modules to explore them.
Why similar: Space 34.1%, Building 20%, RPG 19.8%, Action 10.6%, Indie 8%
- #9 Interstellar Rift
91% matchMixed68% of 1,655 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.2 hrs≥1hr: 83%
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Why similar: Space Sim 31.2% ★, Space 17.7%, Building 15.8%, Open World 10.5%, Sandbox 9.3%
- #10 Celestial Command
91% 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 32.5%, Space Sim 17.8% ★, Sandbox 9.8%, Building 9.7%, RPG 7.9%
- #11 Rebel Galaxy
89% 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 38.9%, Space Sim 21.2% ★, Open World 11%, RPG 7.9%, Sci-fi 7.1%
- #12 Star Singularity
90% matchMostly Positive78% of 68 reviews2018
Dev: Star Bunny Enterprises
Windows
Median: 3.0 hrsMean: 4.9 hrs≥1hr: 76%
A space action-adventure unlike any other: navigate your spacecraft through a galactic-scale mystery. Make sure to loot, craft and upgrade your space fleet. Play the story campaign or test your skills in vicious arena modes against AI opponents.
Why similar: Space 26.7%, Top-Down Shooter 16.5%, RPG 12.7%, Open World 11.9%, Sci-fi 8.1%
- #13 Avorion
88% matchVery Positive90% of 14,288 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.6 hrsMean: 98.8 hrs≥1hr: 90%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Space Sim 31.3% ★, Space 21.2%, Building 16.1%, Sandbox 10.4%, Open World 10.2%
- #14 Sector Space
87% matchVery Positive96% of 53 reviews2025
Dev: Robin M. FarrellPub: Outer Vision Games
Windows · Linux
Explore a procedurally generated galaxy, mine asteroids, refine minerals, colonize planets, build stations, deploy drones, salvage rare items, construct gear, level up, improve your ship, assemble a fleet, engage in combat, and take on the void.
Why similar: Space Sim 43.9% ★, RPG 21.7%, Building 12.3%, Space 9.6%, Adventure 3.5%
- #15 VoidExpanse
89% 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 42.2%, RPG 14%, Open World 13.8%, Sandbox 10.9%, Sci-fi 8.2%
- #16 Starship EVO
86% matchVery Positive84% of 1,210 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.3 hrsMean: 5.8 hrs≥1hr: 55%
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Why similar: Space 24.3%, Building 17.8%, Space Sim 17.6% ★, Sandbox 9.5%, Action 6.9%
- #17 SpaceBourne
86% matchMostly Positive77% of 805 reviews2020
Dev: Burak Dabak
Windows
Median: 1.9 hrsMean: 9.7 hrs≥1hr: 58%
Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.
Why similar: Space 40.5%, Space Sim 33.9% ★, RPG 18.8%, Indie 6.8%
- #18 Jitter
84% matchVery Positive86% of 153 reviews2025
Dev: Berko Games
Windows
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.
Why similar: Space Sim 31.3% ★, Space 23.2%, Open World 11.2%, Sandbox 10%, Sci-fi 6.9%
- #19 EVERSPACE™ 2
82% 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 35.4%, Open World 16%, RPG 11.2%, Sci-fi 7.9%, Adventure 7.4%
- #20 Star Nomad 2
84% 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 28.9%, Space Sim 15% ★, RPG 14.8%, Top-Down Shooter 9.4%, Open World 9%
- #21 Into the Stars
85% matchMixed41% of 537 reviews2016
Dev: Fugitive GamesPub: Iceberg Interactive
Windows
Median: 3.2 hrsMean: 4.3 hrs≥1hr: 80%
Take the role of Captain in this Space Survival Simulation as you explore a massive star system in search of a new home for humanity. Outfit your ship, hand pick your crew and set off on a journey through an open-world where you must scavenge resources, shelter civilians and outrun a hostile alien force.
Why similar: Space 67.3%, Adventure 11.5%, Indie 10.7%, Action 10.4%
- #22 Objects in Space
83% 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 29.7%, Space Sim 21.7% ★, RPG 15.9%, Action 8.9%, Adventure 8.6%
- #23 Wayward Terran Frontier: Zero Falls
82% matchMixed68% of 536 reviews2016
Dev: Reason Generator Inc.
Windows
2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.
Why similar: Space Sim 30.8% ★, Space 18.8%, Open World 11%, Sandbox 9.9%, RPG 8.9%
- #24 Transcendence
81% 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 26%, Space Sim 23.2% ★, Top-Down Shooter 12.8%, Open World 10.7%, RPG 7.5%
- #25 Destination Sol
80% 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 42.5%, RPG 20.1%, Open World 17%, Action 10%, Indie 7.4%
- #26 Reassembly
79% 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 35.8%, Building 28.6%, Sandbox 15.1%, Open World 6.4%, Action 5.4%
- #27 The Last Starship
76% matchMostly Positive75% of 1,419 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.6 hrsMean: 10.4 hrs≥1hr: 81%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Space Sim 34.1% ★, Space 24.7%, Building 17.7%, Sandbox 11.6%, Sci-fi 7.7%
- #28 Azulgar: Star Commanders
81% matchMixed51% of 108 reviews2017
Dev: SZEINER
Windows
Azulgar: Star Commanders is a Sci-Fi open world sandbox game that puts you in a command of your own custom made space ship. Explore aftermath of the Azulgar event that reshaped the face of the solar system.
Why similar: Space 36.4%, Adventure 13.2%, Action 13.2%, Sci-fi 11.6%, Indie 9%
- #29 StarMade
79% 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 31.6%, Building 14.4%, Sandbox 12.9%, Space Sim 12% ★, Open World 11%
- #30 Astrox Imperium
78% 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 38.4%, Space Sim 32.5% ★, Sandbox 10.3%, Open World 9.7%, Sci-fi 4.4%
- #31 Gaia Beyond
78% matchMostly Positive76% of 258 reviews2020
Dev: Warp Turtle
Windows
Gaia Beyond is a handcrafted 2D Action-RPG, an exploration mix built around the core features fighting, mining and trading. Your decisions are footprints within a vast non-linear solar system. Forge alliances among numerous factions and develop relations with hundreds of NPCs.
Why similar: Space Sim 34.7% ★, Space 23.9%, Open World 11.9%, RPG 9.6%, Sci-fi 7.9%
- #32 QANGA
75% matchMostly Positive75% of 553 reviews2024
Dev: iolaCorp Studio
Windows
QANGA: Dive into a sci-fi adventure of exploration and resilience across the cosmos. Merge your mind with a state-of-the-art cyborg crafted by ICLabs Industries, and journey through this expansive universe!
Why similar: Space Sim 29.4% ★, Space 20.9%, Open World 10.5%, Sandbox 9.2%, RPG 8.2%
- #33 X4: Foundations
76% matchMostly Positive80% of 27,985 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.1 hrsMean: 94.2 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore the stars, trade goods, fight battles, build stations, buy and equip ships, and command fleets in a living, fully simulated universe that reacts to your decisions.
Why similar: Space Sim 36% ★, Space 23.5%, Sandbox 11.7%, Building 11.3%, Open World 8.3%
- #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%, Space Sim 29.3% ★, Open World 9.5%, Sandbox 8.3%, Sci-fi 6.6%
- #35 SpaceBourne 2
72% matchMostly Positive77% of 4,992 reviews2025
Dev: Burak Dabak
Windows
Median: 2.4 hrsMean: 10.9 hrs≥1hr: 70%
Embark on a journey to greatness. Get ready for adrenaline-fueled battles and a chance to claim your place in the galaxy. Grab the controls of your ship, gear up for the fight, and unleash your ambition to conquer and build a new empire in the vastness of space.
Why similar: Space Sim 39.3% ★, Space 21%, RPG 12.6%, Building 12.2%, Open World 11.9%
- #36 Space Trash Scavenger
73% matchVery Positive84% of 514 reviews2024
Dev: SquarePlay GamesPub: Paradox Arc
Windows
Median: 3.0 hrsMean: 9.2 hrs≥1hr: 76%
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
Why similar: Space 24.9%, Space Sim 20.6% ★, Building 15.6%, Open World 11.3%, Sandbox 10.4%
- #37 Rodina
75% matchVery Positive93% of 1,329 reviews2014
Dev: Elliptic Games
Windows
Median: 2.8 hrsMean: 6.4 hrs≥1hr: 71%
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!
Why similar: Space 37.7%, Space Sim 18.7% ★, Open World 14.2%, Sandbox 10%, Sci-fi 6.8%
- #38 Ostranauts
74% 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 Sim 32% ★, Space 23.9%, Sandbox 10.9%, Open World 10.9%, RPG 9.8%
- #39 Cosmic Miners
73% 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 39.1% ★, Space 24.2%, Open World 9.9%, Sci-fi 8.1%, Action 6.6%
- #40 Space Pirates and Zombies
74% 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 50.1%, RPG 10.7%, Open World 9.2%, Sci-fi 9.1%, Action 8.1%
- #41 STAR-BOX: RPG Adventures in Space
77% matchMixed50% of 86 reviews2015
Dev: Michael FlynnPub: FlynnFour Games
Windows
Median: 4.2 hrsMean: 4.9 hrs≥1hr: 98%
STAR-BOX – RPG Adventures in Space!Strap on your gravity boots, power up your laser, and climb aboard your spaceship for a retro-styled, RPG-jaunt into the unknown!Travel an open-world, sandbox universe where you are the architect of your own story.
Why similar: Space 24.5%, RPG 20.9%, Adventure 10.3%, Sandbox 8.9%, Open World 8.8%
- #42 Silent Sector
72% matchVery Positive86% of 145 reviews2021
Dev: Rake in Grass
Windows
Oldschool action open-world sci-fi with a unique storyline, frenetic battles, crude humor, loose morals and cows.
Why similar: Space Sim 24.1% ★, Space 18.6%, Top-Down Shooter 14.6%, Open World 8.9%, RPG 8.7%
- #43 Space Scavenger
71% matchVery Positive88% of 314 reviews2021
Dev: Red Cabin Games
Windows
Action roguelike where you build and command your own spaceships. Battle enemies, explore planets and customize your ship on the fly. Make the best use of the quirky ship modules you find, ranging from slingshots to ion cannons, to try and avoid certain death.
Why similar: Space 30.1%, Top-Down Shooter 29.9%, Building 25.6%, Sci-fi 7.3%, Action 6.2%
- #44 Warspace 2
70% matchMixed61% of 82 reviews2025
Dev: Magic Game Art
Windows · Mac · Linux
Warspace 2 is a 1-4 player CO-OP space shooter with RPG elements, open-world and procedurally-generated galaxy. You can trade, craft, and fight your way through a universe, either solo or with friends.
Why similar: Space Sim 27.1% ★, Space 19.8%, Top-Down Shooter 18.8%, Sandbox 10.6%, RPG 7.4%
- #45 Black Skylands
68% matchVery Positive84% of 4,328 reviews2023
Dev: Hungry Couch GamesPub: tinyBuild
Windows
Median: 4.0 hrsMean: 6.7 hrs≥1hr: 85%
Become the captain of an airship and explore the world of the skies, gather resources and build powerful weapons, uncover ancient secrets and fight beneath your ship's sails.
Why similar: Top-Down Shooter 28.4%, Open World 18.4%, Sandbox 15.3%, RPG 13.5%, Sci-fi 7.1%
- #46 Out of Orbit
69% matchVery Positive80% of 125 reviews2023
Dev: Case Yellow Labs
Windows
Design, build, or pirate spaceships. Build bases on planets. Explore endless randomly generated universes, travel through black holes, command your crew, survive cosmic events, collect and trade materials, battle epic bosses, and much more. The sky is the limit, literally!
Why similar: Space 24.7%, RPG 15.9%, Building 13.6%, Open World 10.6%, Sandbox 10%
- #47 Voidship: The Long Journey
71% matchMostly Positive74% of 148 reviews2019
Dev: Cydonian Games
Windows
Design your battleship and fight your way through unforgiving space. This is a tale of a lone spaceship on a centuries-long mission. As the captain, you´ll make strategic decisions, explore unknown sectors, meet allies and enemies, gather resources, technology and crew. To battle stations!
Why similar: Space 38.3%, Action 14.9%, Top-Down Shooter 13.6%, Sci-fi 12.5%, Indie 11.9%
- #48 Star Vortex
67% matchVery Positive85% of 128 reviews2025
Dev: Zorg GamesPub: Hunted Cow Games
Windows
Star Vortex is a fast paced Action-RPG inspired by classics of the genre. Design your ship, fight your way through hostile alien sectors, upgrade as you salvage rare weapons and experiment with different builds until nothing can stand against you.
Why similar: Building 50.2%, Sci-fi 13.2%, Action RPG 12.8%, Space 6.8%, RPG 6.2%
- #49 Space Haven
68% matchVery Positive86% of 9,719 reviews2020
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.3 hrsMean: 20.2 hrs≥1hr: 72%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Space Sim 29% ★, Space 22.4%, Building 17%, Sandbox 10.8%, Open World 10.2%
- #50 Starpoint Gemini 3
71% matchMixed50% of 867 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: Space Sim 34.2% ★, Space 25.4%, Open World 10.7%, RPG 10.6%, Sci-fi 7.1%
- #51 Dangerous
73% matchMostly Negative30% of 50 reviews2014
Dev: Binary HelixPub: XP
Windows · Mac
Dangerous is an epic 3D open and living world space combat RPG sandbox with an immersive and riveting story. Are you the feared war criminal who will destroy all life or the savior of the universe? Gather your wingmen and travel the galaxy in search of answers.
Why similar: Space Sim 25.7% ★, Space 23.7%, RPG 16.4%, Open World 10.1%, Adventure 8.8%
- #52 Darkstar One
70% 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 34.2%, Space Sim 33.2% ★, Action 9%, Open World 8.7%, Sci-fi 8%
- #53 Shattered Void
67% matchMostly Positive71% of 90 reviews2024
Dev: yyy1505yyy
Windows · Linux
Space MMORPG where players can fly on different ships, collecting devices, subsystems and navigations or finding new weapons that will serve in battles. Take part in battles, explore the world, mine ore, trade, fight and build your own clan with a station.
Why similar: Space 62.1%, Sci-fi 14.6%, Indie 11.4%, Action 11%, Singleplayer 0.9%
- #54 Underspace
66% matchVery Positive82% of 431 reviews2024
Dev: Pastaspace InteractivePub: Camlann Games
Windows
Median: 36 minMean: 5.3 hrs≥1hr: 42%
The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with Day 1 mod support and a planned PvP/co-op multiplayer on the Early Access roadmap. You're going to need a bigger ship.
Why similar: Space Sim 27.6% ★, Space 20.8%, Open World 9.3%, RPG 8.7%, Sandbox 8.5%
- #55 Battlevoid: Harbinger
68% 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 67.9%, Action 9.3%, Open World 7.6%, Sci-fi 7.4%, Indie 7.1%
- #56 Subdivision Infinity DX
69% matchMostly Positive75% of 105 reviews2019
Dev: MistFly GamesPub: Crescent Moon Games
Windows
Subdivision Infinity is an immersive and pulse pounding sci-fi space shooter featuring stunning graphics and tight spaceship game play. Hunt down and destroy enemy spacecraft, crush capital ships, mine asteroids for rare minerals, and find blueprints to craft amazing new vessels!
Why similar: Space Sim 36.6% ★, Space 29.8%, Action 10.7%, Sci-fi 8.5%, Indie 7%
- #57 Stellar Tactics
62% matchVery Positive80% of 1,560 reviews2026
Dev: Don WilkinsPub: Maverick Games
Windows
Median: 3.0 hrsMean: 14.6 hrs≥1hr: 65%
A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with thousands of star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!
Why similar: Space 28.5%, Sandbox 20.4%, RPG 17.9%, Open World 16.8%, Sci-fi 9.3%
- #58 Eventide Matter
62% matchOverwhelmingly Positive95% of 772 reviews2025
Dev: Ottropi Games
Windows
A 2D space mining adventure. Mine exotic resources, unlock powerful equipment, and fend off relentless enemies to build an inter-dimensional portal, the last hope of salvation for your civilization.
Why similar: Space 40.4%, RPG 24.5%, Sci-fi 12.9%, Adventure 8.3%, Futuristic 4.6%
- #59 Jumpdrive
70% 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 51.7%, Open World 15.3%, Action 12.1%, Indie 10.7%, Adventure 10.1%
- #60 The Last Caretaker
61% matchVery Positive85% of 9,793 reviews2025
Dev: Channel37 Ltd
Windows
Median: 18.8 hrsMean: 30.9 hrs≥1hr: 93%
Explore a drowned Earth, restore lost systems, and raise the last human seeds in this first-person survival-crafting adventure. Build, scavenge, defend, and launch humanity back to the stars.
Why similar: Open World 29.5%, Sandbox 26.7%, Sci-fi 17.1%, Adventure 12.8%, Action 12.2%