- #1 Empyrion - Galactic Survival
97% 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 17.4%, Voxel 16.8% ★, Sandbox 11.7%, Building 10.1%, Open World 9.5%
Why You'll Like It: A comprehensive space survival game that mirrors StarMade's focus on building ships and bases while exploring diverse planets.
- #2 Space Engineers
96% matchVery Positive89% of 133,238 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 95.7 hrs≥1hr: 87%
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
Why similar: Space 22%, Sandbox 17.4%, Building 13.1%, Open World 12.4%, Space Sim 11.2% ★
Why You'll Like It: The gold standard for voxel-based space construction, offering deep engineering mechanics and physics-driven ship building.
- #3 Avorion
96% matchVery Positive90% of 14,288 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.6 hrsMean: 98.8 hrs≥1hr: 90%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Space 20%, Voxel 17.5% ★, Sandbox 16.5%, Building 12.2%, Open World 11.1%
Why You'll Like It: Features a procedural galaxy and block-based ship construction that allows for immense scale and fleet management.
- #4 Starbase
95% matchMixed56% of 6,702 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.6 hrs≥1hr: 91%
Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.
Why similar: Space 16.4%, Voxel 13.6% ★, Sandbox 13%, Building 11.8%, Open World 11.4%
Why You'll Like It: A massive multiplayer space sim that utilizes a highly detailed voxel-based building system for ships and stations.
- #5 Starship EVO
94% 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 23.7%, Sandbox 15.6%, Building 13.9%, Voxel 13.7% ★, Open World 7.1%
Why You'll Like It: A physics-based sandbox focused on advanced ship building and mechanical systems in a vast space environment.
- #6 Cosmoteer: Starship Architect & Commander
94% 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 29.4%, Building 17.7%, Sci-fi 14%, Space Sim 13.4% ★, Multiplayer 9.2%
Why You'll Like It: Focuses on intricate 2D ship design and tactical combat, capturing the modular building spirit of StarMade.
- #7 Interstellar Rift
93% 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 19.4%, Sandbox 17.2%, Building 13.8%, Open World 13.2%, Space Sim 12.5% ★
Why You'll Like It: A multiplayer space sim that emphasizes interior ship design and modular construction for long-term survival.
- #8 From the Depths
92% matchVery Positive89% of 12,523 reviews2020
Dev: Brilliant Skies Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 40.6 hrs≥1hr: 81%
Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.
Why similar: Voxel 24.3% ★, Sandbox 19.4%, Space 18.8%, Building 15.4%, Crafting 8.2%
Why You'll Like It: Offers unparalleled complexity in vehicle construction and physics-based combat, perfect for players who love deep engineering.
- #9 Reassembly
91% 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 34%, Sandbox 24.2%, Building 21.6%, Open World 7%, Sci-fi 3.9%
Why You'll Like It: A unique 2D sandbox that features procedural ship building and fleet-based strategy in an expansive galaxy.
- #10 TerraTech
90% matchVery Positive91% of 24,455 reviews2018
Dev: Payload StudiosPub: Mythwright
Windows · Mac · Linux
Median: 8.2 hrsMean: 33.0 hrs≥1hr: 90%
TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.
Why similar: Sandbox 27.5%, Building 23.5%, Open World 18.6%, Multiplayer 10.6%, Crafting 9.3%
Why You'll Like It: Uses a block-based building system for vehicles that emphasizes combat and resource gathering in an open world.
- #11 Stationeers
89% matchVery Positive88% of 8,897 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 81.9 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Space 27.1%, Sandbox 22%, Building 16.7%, Crafting 10.3%, Multiplayer 9.7%
Why You'll Like It: Provides a hardcore engineering experience where players must manage complex systems and atmospheric physics in space.
- #12 Nimbatus - The Space Drone Constructor
89% matchMostly Positive79% of 2,144 reviews2020
Dev: Stray Fawn StudioPub: Stray Fawn Publishing
Windows · Mac · Linux
Median: 3.0 hrsMean: 5.1 hrs≥1hr: 84%
Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.
Why similar: Space 22.6%, Sandbox 14.2%, Space Sim 12.5% ★, Building 10.8%, Open World 9.9%
Why You'll Like It: Focuses on procedural drone building and testing, offering a creative outlet similar to StarMade's ship design.
- #13 Elite Dangerous
88% 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 30.2%, Space Sim 16.3% ★, Open World 15.1%, Sandbox 8.8%, Sci-fi 7.5%
Why You'll Like It: Offers a realistic, massive-scale space exploration experience with a focus on piloting and trading.
- #14 X4: Foundations
86% 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 25.7%, Sandbox 21.6%, Space Sim 14.3% ★, Open World 10.5%, Building 9.9%
Why You'll Like It: Provides a deep space economy and fleet management experience for players who enjoy the strategic side of StarMade.
- #15 Celestial Command
87% 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 37.1%, Sandbox 18.9%, Building 8.8%, Space Sim 7.4% ★, Sci-fi 6.3%
Why You'll Like It: A physics-based space construction game that challenges players to build functional ships in a realistic environment.
- #16 Astrox Imperium
86% 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 42.6%, Sandbox 19.3%, Space Sim 13.2% ★, Open World 12.4%, Sci-fi 5.4%
Why You'll Like It: A space simulation game that captures the sandbox feel of building an empire through trading and combat.
- #17 Scrap Mechanic
84% matchVery Positive92% of 117,049 reviews2016
Dev: Axolot Games
Windows
Median: 11.1 hrsMean: 57.3 hrs≥1hr: 91%
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
Why similar: Sandbox 25.5%, Building 22.5%, Open World 17.8%, Multiplayer 11.6%, Crafting 11.1%
Why You'll Like It: An engineering-focused sandbox that allows for complex mechanical creations and automated systems.
- #18 Barotrauma
82% matchVery Positive94% of 84,235 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 54.3 hrs≥1hr: 91%
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
Why similar: Multiplayer 36.8%, Sci-fi 21.4%, Co-op 21.4%, Simulation 8.9%, Strategy 6.7%
Why You'll Like It: Features complex submarine engineering and management in a hostile environment, requiring deep technical knowledge.
- #19 Starbound
83% matchVery Positive90% of 122,901 reviews2016
Dev: Chucklefish
Windows · Mac · Linux
Median: 17.2 hrsMean: 64.1 hrs≥1hr: 91%
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
Why similar: Sandbox 25.5%, Space 22%, Open World 11.1%, Building 10%, Crafting 7.6%
Why You'll Like It: A 2D sandbox that combines voxel-like exploration and building with space travel and RPG elements.
- #20 Trailmakers
81% matchVery Positive92% of 34,107 reviews2019
Dev: Flashbulb
Windows
Median: 3.9 hrsMean: 15.4 hrs≥1hr: 86%
Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.
Why similar: Space 34.2%, Sandbox 16.6%, Building 12.5%, Open World 11.7%, Crafting 7.6%
Why You'll Like It: A physics-based sandbox that allows for creative vehicle construction with a focus on exploration and challenges.
- #21 Kinetic Void
84% 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 46.2%, Sandbox 19.4%, Sci-fi 7.9%, Building 7.6%, Simulation 5.3%
Why You'll Like It: Features an extensive ship customization system that allows for modular design and tactical combat.
- #22 VoidExpanse
82% 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 40.1%, Sandbox 17.5%, Open World 15.1%, Sci-fi 8.5%, Multiplayer 5.4%
Why You'll Like It: An open-world space RPG that focuses on exploration, mining, and ship customization.
- #23 Space Pirates And Zombies 2
80% 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 41.9%, Open World 13.2%, Sandbox 11.7%, Building 6.9%, Sci-fi 5.6%
Why You'll Like It: Combines ship building with real-time strategy and combat in a dynamic, evolving galaxy.
- #24 Space Engineers 2
76% matchMostly Positive76% of 4,293 reviews2025
Dev: Keen Software House
Windows
Median: 1.3 hrsMean: 7.1 hrs≥1hr: 58%
Space Engineers 2 is a sandbox about engineering and colonization where you build ships, stations, and planetary bases in a fully destructible world. Begin the story of Miro and Ivan Sokol, expand humanity’s foothold in the Almagest system, and fight to survive.
Why similar: Space 22.6%, Sandbox 19%, Building 14%, Open World 11.8%, Space Sim 8.5% ★
- #25 Rebel Galaxy
79% 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 46.9%, Open World 15.2%, Space Sim 9.3% ★, Sci-fi 9.3%, Sandbox 8.4%
Why You'll Like It: Focuses on large-scale space combat and trading, providing a cinematic experience for space captains.
- #26 Istrolid
78% 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 34.1%, Building 24.7%, Sandbox 14.8%, Multiplayer 10.8%, Sci-fi 6.3%
Why You'll Like It: A strategy game that lets players design their own fleets from scratch to compete in multiplayer battles.
- #27 Rodina
78% 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 39.2%, Sandbox 17.6%, Open World 17.1%, Sci-fi 7.7%, Space Sim 7.1% ★
Why You'll Like It: Offers seamless space exploration with a focus on ship interior management and planetary landing.
- #28 Planet Explorers
77% matchMixed62% of 6,817 reviews2016
Dev: Pathea Games
Windows · Mac · Linux
Median: 3.5 hrsMean: 12.8 hrs≥1hr: 73%
Planet Explorers is an open world sandbox adventure RPG game set on a distant planet. The game uses a new OpenCL calculated voxel system to allow players to change the terrain in any way, create new objects such as weapons, vehicles, objects, and do it anywhere.
Why similar: Sandbox 28.1%, Open World 18.4%, Building 10.7%, Voxel 9% ★, Multiplayer 8.2%
- #29 Boundless
77% matchMixed70% of 2,766 reviews2018
Dev: Monumental, LLC
Windows · Mac
Median: 1.1 hrsMean: 33.0 hrs≥1hr: 51%
Shape your citizen, forge your destiny and sculpt your world in this epic voxel sandbox MMO built on endless possibility.
Why similar: Voxel 22.7% ★, Sandbox 20%, Open World 13.9%, Building 11.4%, Crafting 8%
- #30 ASTRONEER
73% matchVery Positive92% of 136,711 reviews2019
Dev: System Era Softworks
Windows
Median: 11.7 hrsMean: 44.1 hrs≥1hr: 87%
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Why similar: Space 27.2%, Open World 15.7%, Sandbox 15.6%, Multiplayer 10.3%, Building 9.9%
- #31 GRAV
76% matchMixed47% of 6,921 reviews2015
Dev: BitMonster, Inc.
Windows
Median: 1.7 hrsMean: 11.5 hrs≥1hr: 60%
GRAV is a sand box experience where you explore a multitude of planets, hunt strange alien creatures, build and defend outposts, craft weapons and armor, and attempt to survive against other players in a hostile environment.
Why similar: Sandbox 22.7%, Space 21.3%, Open World 20.1%, Multiplayer 10.2%, Crafting 8.9%
- #32 Creativerse
73% matchMostly Positive78% of 30,868 reviews2017
Dev: Playful Corp.
Windows
Median: 2.0 hrsMean: 15.5 hrs≥1hr: 63%
A sandbox adventure game as big as your imagination.
Why similar: Voxel 25.5% ★, Sandbox 17.8%, Building 13.3%, Open World 12.3%, Crafting 8.3%
- #33 TerraTech Worlds
72% matchMixed63% of 2,175 reviews2024
Dev: Payload StudiosPub: Mythwright
Windows
Median: 7.6 hrsMean: 22.1 hrs≥1hr: 86%
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
Why similar: Sandbox 21.2%, Building 15.4%, Open World 14.9%, Space 13.7%, Crafting 9.9%
- #34 Star Valor
72% 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 38.4%, Sandbox 25.5%, Open World 15.7%, Sci-fi 8.3%, Exploration 4.2%
- #35 Cubic Odyssey
71% matchMostly Positive74% of 2,483 reviews2025
Dev: Atypical GamesPub: Gaijin Network Ltd
Windows
Median: 5.3 hrsMean: 12.3 hrs≥1hr: 82%
Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!
Why similar: Sandbox 22.3%, Space 18.4%, Building 15.9%, Open World 12.9%, Sci-fi 9.4%
- #36 Stars End
73% matchMixed61% of 1,414 reviews2023
Dev: Reverie World StudiosPub: indie.io
Windows
Median: 2.5 hrsMean: 10.3 hrs≥1hr: 81%
Stars End is a sci-fi survival sandbox set on the wild frontier of a distant star system. Play solo or host your own server as you craft, build, and battle to survive in a galaxy shaped by danger, discovery, and your own grit.
Why similar: Space 21.4%, Sandbox 14.1%, Open World 10.8%, Multiplayer 9.2%, Space Sim 8.7% ★
- #37 Starcom: Unknown Space
70% 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 38.8%, Open World 16.9%, Space Sim 13.6% ★, Building 10%, Sci-fi 8%
- #38 Medieval Engineers
75% matchMixed52% of 7,282 reviews2015
Dev: Keen Software House
Windows
Median: 2.1 hrsMean: 16.8 hrs≥1hr: 64%
Medieval Engineers is a sandbox game about engineering, construction and the maintenance of architectural works and mechanical equipment using medieval technology. Players build castles; construct mechanical devices and underground mining. There is an entire planet to explore!
Why similar: Sandbox 26.7%, Building 23.1%, Open World 16.4%, Multiplayer 9.1%, Crafting 7.5%
- #39 Between the Stars
70% 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 37.5%, Sandbox 13.7%, Space Sim 12.6% ★, Sci-fi 7.3%, Open World 7.1%
- #40 Star Rangers™ XE
75% matchMostly Negative40% of 153 reviews2016
Dev: Project Whitecard Studios Inc.Pub: Awestruck Games
Windows · Mac · Linux
Explore space and build on other worlds in Star Rangers! Star Rangers is a space exploration and construction game that allows players to build habitats and spacecraft, acquire gear and explore the solar system.
Why similar: Space 19.4%, Sandbox 17.1%, Building 12.4%, Open World 9.3%, Space Sim 7.6% ★
- #41 Autocraft
74% matchMixed56% of 297 reviews2017
Dev: Alientrap
Windows · Mac
Median: 54 minMean: 3.2 hrs≥1hr: 44%
Create, Collect, and Crash in Autocraft, a physics destruction sandbox. Create your own cars, rockets, tanks, planes, boats, and more.
Why similar: Sandbox 30.1%, Space 23.8%, Building 18.5%, Crafting 6.1%, Space Sim 5.6% ★
- #42 Void Destroyer 2
71% 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 22.6%, Sandbox 19.7%, Open World 14.5%, Space Sim 13.5% ★, Building 11.5%
- #43 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 53.1%, Open World 24.5%, RPG 7.1%, Action 4.4%, Indie 3.6%
- #44 Space Haven
69% 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 23.5%, Sandbox 19.1%, Building 14.2%, Open World 12.4%, Space Sim 11.1% ★
- #45 Star Crafter
67% matchMixed69% of 104 reviews2025
Dev: Tbjbu2
Windows
A space survival crafting mining base building and star system building game. Craft rockets to create planets and Dyson Rings, mine and craft advanced materials, terraform the terrain, manage electricity, farm food, and more as you watch the star system evolve into stunning, ever-changing views.
Why similar: Space 23.2%, Voxel 20.2% ★, Sandbox 13.4%, Building 9.2%, Crafting 9.2%
- #46 FortressCraft Evolved!
70% matchMostly Positive72% of 3,055 reviews2015
Dev: ProjectorGamesPub: Digital Tribe
Windows · Mac · Linux
Median: 2.2 hrsMean: 13.6 hrs≥1hr: 72%
FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.
Why similar: Sandbox 23.3%, Voxel 18.2% ★, Building 16.3%, Crafting 10.6%, Open World 10.2%
- #47 Astro Colony
67% matchVery Positive82% of 2,509 reviews2022
Dev: Terad Games
Windows
Median: 4.7 hrsMean: 16.3 hrs≥1hr: 78%
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Why similar: Space 26.5%, Sandbox 14.2%, Building 12.6%, Open World 9.9%, Multiplayer 8.7%
- #48 Spaceflight Simulator
66% matchOverwhelmingly Positive96% of 7,486 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 4.6 hrsMean: 14.2 hrs≥1hr: 84%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Space 29.4%, Sandbox 25.1%, Space Sim 15.6% ★, Building 7.5%, Open World 6%
- #49 Endless Sky
68% matchVery Positive92% of 6,938 reviews2015
Dev: Michael Zahniser
Windows · Mac · Linux
Median: 1.0 hrsMean: 13.6 hrs≥1hr: 50%
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
Why similar: Space 48.9%, Open World 15.2%, Sandbox 8.3%, Sci-fi 8%, Space Sim 7.4% ★
- #50 SpaceBourne 2
63% 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 30.6%, Space Sim 20.8% ★, Open World 19.9%, Building 14.1%, Crafting 6.6%
- #51 Space Pirates and Zombies
67% 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 52.6%, Open World 11.2%, Sci-fi 10.4%, Sandbox 10.1%, Strategy 3.7%
- #52 Keplerth
64% matchVery Positive85% of 4,121 reviews2022
Dev: TAROPub: Gamirror Games
Windows
Median: 8.0 hrsMean: 16.2 hrs≥1hr: 85%
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!
Why similar: Sandbox 26.4%, Open World 17.8%, Building 17.7%, Sci-fi 9.5%, Multiplayer 7.8%
- #53 Wayward Terran Frontier: Zero Falls
67% 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 21.7%, Sandbox 19.3%, Open World 14.7%, Space Sim 13% ★, Building 7.6%