- #1 Space Engineers
97% matchVery Positive89% of 134,262 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.3 hrs≥1hr: 88%
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: Moddable 18.1%, Space Sim 13.1%, Building 9.9%, Space 9.8%, Sandbox 9.3%
Why You'll Like It: The direct predecessor that established the gold standard for physics-based space construction and engineering.
- #2 Starship EVO
96% matchVery Positive84% of 1,514 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.6 hrsMean: 6.4 hrs≥1hr: 58%
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 20.6%, Building 20.4%, Sandbox 15.7%, Space Sim 13.5%, Simulation 7.8%
Why You'll Like It: Offers a highly detailed modular building system that captures the specific feel of designing functional starships.
- #3 Stormworks: Build and Rescue
96% matchVery Positive91% of 59,576 reviews2020
Dev: Geometa
Windows · Mac
Median: 17.2 hrsMean: 113.4 hrs≥1hr: 91%
Join a world where you design, create and pilot your own air sea rescue service. Release your inner hero as you battle fierce storms out at sea to rescue those in need.
Why similar: Sandbox 24.5%, Building 22.4%, Open World 16.3%, Physics 15.4%, Survival 14.3%
Why You'll Like It: Features incredibly deep physics-based vehicle engineering and logic systems that rival the complexity of Space Engineers.
- #4 Kerbal Space Program 2
95% matchMostly Negative26% of 31,897 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: Science 16.2%, Moddable 11.9%, Space Sim 10.8%, Space 10.5%, Building 10.2%
Why You'll Like It: Focuses on realistic orbital mechanics and the intricate engineering required to successfully explore space.
- #5 Stationeers
94% matchVery Positive88% of 9,200 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 84.4 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: Moddable 16.5%, Mining 14.7% ★, Science 14.7%, Building 9.3%, Space 9%
Why You'll Like It: A hardcore survival game that demands advanced knowledge of atmospheric, electrical, and mechanical engineering.
- #6 Cosmoteer: Starship Architect & Commander
94% matchVery Positive94% of 12,793 reviews2022
Dev: Walternate Realities
Windows
Median: 19.2 hrsMean: 41.1 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 Sim 20.3%, Building 17.1%, Space 16.9%, Sci-fi 14.5%, Survival 11.3%
Why You'll Like It: Combines modular ship building with physics-based combat in a top-down perspective.
- #7 Scrap Mechanic
92% matchVery Positive92% of 121,376 reviews2026
Dev: Axolot Games
Windows
Median: 11.4 hrsMean: 63.4 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: Building 19.7%, Sandbox 15.9%, Survival 13%, Open World 12%, Physics 11.9%
Why You'll Like It: A creative sandbox focused on physics-based construction and complex mechanical automation.
- #8 From the Depths
93% matchVery Positive89% of 12,779 reviews2020
Dev: Brilliant Skies Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 40.7 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: Building 19.8%, Sandbox 17.6%, Space 14.2%, Physics 13.3%, Survival 12.5%
Why You'll Like It: Provides an unparalleled level of depth in vehicle design, allowing for complex weapon systems and physics-based combat.
- #9 Empyrion - Galactic Survival
91% matchMostly Positive78% of 34,371 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 77.0 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 Sim 14.3%, Space 12.1%, Building 11.8%, Sandbox 9.8%, Survival 9.5%
Why You'll Like It: A comprehensive space survival game that blends base building, exploration, and vehicle construction.
- #10 Avorion
91% matchVery Positive90% of 14,534 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.6 hrsMean: 99.3 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 21.9%, Building 16%, Space 15.6%, Sandbox 15.4%, Open World 11.2%
Why You'll Like It: Features procedural space exploration paired with a modular ship-building system that allows for massive scale.
- #11 Trailmakers
90% matchVery Positive92% of 38,416 reviews2019
Dev: Flashbulb
Windows
Median: 3.9 hrsMean: 15.5 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 23%, Building 14.4%, Sandbox 13.6%, Survival 10.9%, Physics 10.8%
Why You'll Like It: An accessible yet powerful vehicle-building sandbox that emphasizes physics and creative experimentation.
- #12 Starbase
89% matchMixed56% of 6,750 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.5 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 Sim 18.4%, Building 14.6%, Destruction 12.4%, Space 12%, Sandbox 11.4%
Why You'll Like It: A massively multiplayer space simulation that features highly detailed voxel-based ship construction.
- #13 Hardspace: Shipbreaker
88% matchVery Positive89% of 22,272 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 24.0 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: Destruction 21%, Space 17.3%, Space Sim 11.6%, Sandbox 11.1%, Physics 11%
Why You'll Like It: Focuses on the physics of dismantling ships, offering a unique perspective on space engineering and salvage.
- #14 Satisfactory
86% matchOverwhelmingly Positive97% of 277,412 reviews2024
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows
Median: 33.0 hrsMean: 112.0 hrs≥1hr: 94%
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
Why similar: Building 20.8%, Open World 18.1%, Sandbox 17.5%, Crafting 16.5%, Survival 8.7%
Why You'll Like It: Focuses on large-scale industrial building and automation within a beautiful, alien open world.
- #15 Medieval Engineers
89% matchMixed52% of 7,324 reviews2015
Dev: Keen Software House
Windows
Median: 2.0 hrsMean: 16.9 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: Destruction 20.5%, Building 18.4%, Sandbox 15.1%, Physics 10.5%, Open World 10%
Why You'll Like It: Shares the core structural integrity and physics-based building DNA of the Space Engineers series.
- #16 Juno: New Origins
86% matchVery Positive89% of 3,527 reviews2023
Dev: Jundroo, LLC
Windows · Mac
Median: 1.1 hrsMean: 13.5 hrs≥1hr: 51%
Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.
Why similar: Science 16.7%, Moddable 15.7%, Space Sim 13.9%, Building 10.8%, Space 8.6%
Why You'll Like It: Provides high-fidelity aerospace engineering tools and realistic orbital physics for space enthusiasts.
- #17 Main Assembly
87% matchVery Positive83% of 1,350 reviews2021
Dev: Bad Yolk GamesPub: Team17
Windows
Median: 54 minMean: 7.0 hrs≥1hr: 49%
You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions.
Why similar: Science 28.1%, Building 19%, Sandbox 18.6%, Physics 13.4%, Crafting 11.8%
Why You'll Like It: Features advanced robotics and physics-based construction tools for building custom machines.
- #18 Besiege
85% matchOverwhelmingly Positive95% of 53,122 reviews2020
Dev: Spiderling Studios
Windows · Mac · Linux
Median: 2.4 hrsMean: 18.7 hrs≥1hr: 71%
Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!
Why similar: Moddable 26.8%, Destruction 23.8%, Building 14.6%, Sandbox 14.1%, Physics 11.2%
Why You'll Like It: A physics-based construction game that challenges players to build siege engines and machines to overcome environmental puzzles.
- #19 Dyson Sphere Program
84% matchOverwhelmingly Positive97% of 91,428 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.1 hrsMean: 75.7 hrs≥1hr: 84%
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Why similar: Space 23.4%, Building 18.1%, Sandbox 13.6%, Open World 12.8%, Space Sim 11.7%
Why You'll Like It: Centers on interstellar logistics and the massive-scale construction of structures in space.
- #20 X4: Foundations
84% matchMostly Positive80% of 29,842 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: Moddable 23.1%, Space Sim 17.6%, Space 14.8%, Sandbox 11.9%, Open World 9.6%
Why You'll Like It: Offers a deep space simulation experience with complex economy, fleet management, and station building.
- #21 Solar Expanse - Space Exploration Manager
81% matchVery Positive88% of 1,260 reviews2026
Dev: SpaceOpsPub: Games Operators
Windows
Median: 4.3 hrsMean: 14.4 hrs≥1hr: 76%
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
Why similar: Science 17.7%, Space Sim 12.8%, Space 12.3%, Sandbox 10.6%, Mining 9.1% ★
Why You'll Like It: Provides a strategic focus on space management and simulation within a sandbox framework.
- #22 TerraTech
82% matchVery Positive91% of 24,889 reviews2018
Dev: Payload StudiosPub: Mythwright
Windows · Mac · Linux
Median: 8.0 hrsMean: 32.6 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: Building 25.2%, Sandbox 21%, Open World 15.3%, Crafting 11.2%, Survival 10.6%
Why You'll Like It: Allows for modular vehicle construction and combat in a sandbox environment with a focus on resource gathering.
- #23 Interstellar Rift
83% matchMixed68% of 1,665 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.4 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: Mining 16.5% ★, Space Sim 15.9%, Building 11.4%, Sandbox 10%, Space 9.4%
Why You'll Like It: A space simulation game that emphasizes modular ship construction and multiplayer cooperation.
- #24 Astro Colony
80% matchVery Positive81% of 2,687 reviews2026
Dev: Terad Games
Windows
Median: 4.5 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 20.1%, Space Sim 16.6%, Building 15.4%, Sandbox 12.4%, Open World 9.4%
Why You'll Like It: Combines automation and base-building with survival elements in an expansive space setting.
- #25 FOUNDRY
81% matchVery Positive81% of 3,910 reviews2024
Dev: Channel 3 EntertainmentPub: Paradox Interactive
Windows
Median: 7.7 hrsMean: 48.2 hrs≥1hr: 88%
Build a sophisticated robot factory optimized to perfection in an infinite voxel world. Mine and harvest resources, automate your production lines and manage complex systems while researching your way to become the galaxy’s leading robotics megacorp.
Why similar: Building 19.5%, Sandbox 18.1%, Open World 14.7%, Crafting 13.9%, Sci-fi 11.6%
Why You'll Like It: A first-person factory building game set in a voxel world that emphasizes large-scale construction.
- #26 Aviassembly
78% matchOverwhelmingly Positive97% of 9,275 reviews2025
Dev: Jelle Booij
Windows
Median: 6.2 hrsMean: 7.4 hrs≥1hr: 82%
Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.
Why similar: Building 18.3%, Science 14.9%, Sandbox 14.3%, Destruction 12.6%, Physics 12.1%
Why You'll Like It: Focuses on the physics-based assembly and flight of custom vehicles in a sandbox environment.
- #27 Stardeus
79% matchVery Positive87% of 1,549 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 9.0 hrsMean: 22.7 hrs≥1hr: 77%
Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.
Why similar: Moddable 17.8%, Space Sim 13.4%, Space 11.9%, Sandbox 10.2%, Survival 9.6%
Why You'll Like It: A colony management game with deep base-building mechanics and complex survival systems.
- #28 Celestial Command
82% matchMixed62% of 704 reviews2014
Dev: Science Interactive
Windows · Linux
Median: 1.5 hrsMean: 6.3 hrs≥1hr: 62%
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Why similar: Space 27.8%, Sandbox 16.7%, Space Sim 14.3%, Building 11%, Simulation 9.5%
Why You'll Like It: Focuses on physics-based space station and ship construction with a strong emphasis on realistic movement.
- #29 Voidtrain
78% matchMostly Positive74% of 9,769 reviews2025
Dev: HypeTrain Digital
Windows
Median: 8.5 hrsMean: 15.8 hrs≥1hr: 93%
Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.
Why similar: Survival 19.8%, Building 18%, Sandbox 16%, Open World 15.8%, Crafting 14.9%
Why You'll Like It: Features unique vehicle-building mechanics in a surreal, space-like environment that emphasizes survival.
- #30 Hydroneer
79% matchVery Positive86% of 28,342 reviews2020
Dev: Foulball Hangover
Windows
Median: 6.7 hrsMean: 22.2 hrs≥1hr: 85%
Hydroneer is a mining and base building sandbox. Dig for gold and other resources to turn a profit and enhance your mining operation. Build a base of operations, forge weapons, go fishing, and dig deep!
Why similar: Mining 33.3% ★, Sandbox 18.3%, Building 17%, Open World 13.1%, Crafting 7%
Why You'll Like It: A physics-based mining and construction game that rewards creative engineering solutions.
- #31 The Last Starship
77% matchMostly Positive76% of 1,675 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 6.1 hrsMean: 11.9 hrs≥1hr: 80%
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: Mining 18.3% ★, Space Sim 15.2%, Science 12.4%, Space 11.5%, Building 11.1%
- #32 Spaceflight Simulator
76% matchOverwhelmingly Positive97% of 9,632 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 5.3 hrsMean: 15.2 hrs≥1hr: 83%
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 Sim 18.2%, Science 15.5%, Sandbox 13.4%, Space 13%, Moddable 7.4%
- #33 SpaceCraft
76% matchMixed65% of 2,613 reviews2026
Dev: Shiro Games
Windows
Median: 14.2 hrsMean: 46.4 hrs≥1hr: 90%
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
Why similar: Space Sim 20.7%, Space 17.7%, Sandbox 15.6%, Open World 12.7%, Sci-fi 10.9%
- #34 StarRupture
75% matchVery Positive81% of 13,161 reviews2026
Dev: Creepy Jar
Windows
Median: 6.8 hrsMean: 25.7 hrs≥1hr: 88%
StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.
Why similar: Sandbox 19.2%, Survival 18.8%, Open World 16.8%, Crafting 15%, Sci-fi 12.8%
- #35 Starminer
75% matchMostly Positive74% of 1,842 reviews2026
Dev: CoolAndGoodGames
Windows
Median: 7.4 hrsMean: 18.3 hrs≥1hr: 82%
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.
Why similar: Space Sim 20%, Mining 18.7% ★, Sandbox 14.4%, Space 14.1%, Open World 9.6%
- #36 The Last Caretaker
73% matchVery Positive86% of 12,849 reviews2025
Dev: Channel37 Ltd
Windows
Median: 19.6 hrsMean: 36.3 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: Sandbox 17.9%, Survival 16%, Open World 14.2%, Crafting 14%, Physics 12.4%
- #37 Occupy Mars: The Game
74% matchMixed70% of 3,125 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.3 hrsMean: 34.2 hrs≥1hr: 78%
Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.
Why similar: Mining 16.8% ★, Moddable 16.3%, Building 10.3%, Sandbox 10%, Survival 9.4%
- #38 StarMade
77% matchMixed68% of 2,991 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 23%, Sandbox 18.9%, Building 14.1%, Open World 12%, Space Sim 8.4%
- #39 Space Haven
71% matchVery Positive86% of 11,049 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 20.9 hrs≥1hr: 71%
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 16.2%, Space 13.8%, Building 13.2%, Sandbox 12.6%, Survival 11.3%
- #40 TerraTech Worlds
74% matchMixed63% of 2,280 reviews2024
Dev: Payload StudiosPub: Mythwright
Windows
Median: 7.3 hrsMean: 22.0 hrs≥1hr: 85%
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: Mining 20.8% ★, Building 14.5%, Sandbox 14.2%, Survival 11.8%, Open World 10.9%
- #41 Astrometica
72% matchVery Positive83% of 3,174 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 3.7 hrsMean: 16.6 hrs≥1hr: 71%
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Why similar: Space Sim 27%, Space 15.8%, Survival 15.3%, Open World 13.9%, Crafting 11.9%
- #42 SpaceBourne 2
71% matchMostly Positive76% of 5,132 reviews2025
Dev: Burak Dabak
Windows
Median: 2.5 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%, Science 20%, Mining 15.1% ★, Space 12.9%, Open World 10.9%
- #43 The Planet Crafter
70% matchOverwhelmingly Positive96% of 72,769 reviews2024
Dev: Miju Games
Windows
Median: 21.4 hrsMean: 38.2 hrs≥1hr: 92%
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
Why similar: Building 17%, Space 16.1%, Survival 14.7%, Sandbox 13%, Open World 11.9%
- #44 Kerbal Space Program
72% matchOverwhelmingly Positive96% of 145,676 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.4 hrsMean: 66.0 hrs≥1hr: 84%
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Why similar: Science 16.2%, Space 15.7%, Moddable 12.8%, Space Sim 12.8%, Sandbox 11.4%
- #45 Eden Crafters
69% matchVery Positive85% of 2,606 reviews2026
Dev: Osaris Games
Windows
Median: 4.9 hrsMean: 14.0 hrs≥1hr: 79%
Eden Crafters is a solo or co-op open-world survival, crafting, and factory-building game where you transform a hostile planet into a habitable haven for humanity. Build, automate, and terraform. Control the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
Why similar: Sandbox 16.5%, Building 15.9%, Space 13.6%, Crafting 13.3%, Open World 12.8%
- #46 Reassembly
70% matchVery Positive94% of 4,091 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: Building 26.7%, Space 24.8%, Sandbox 21.2%, Open World 6.6%, Strategy 5.9%
- #47 Volcanoids
70% matchVery Positive83% of 9,323 reviews2019
Dev: Volcanoid
Windows · Linux
Median: 3.9 hrsMean: 15.9 hrs≥1hr: 76%
A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.
Why similar: Building 19.8%, Sandbox 19.2%, Survival 15.9%, Crafting 15%, Open World 13.9%
- #48 The Crust
68% matchMostly Positive77% of 3,700 reviews2024
Dev: VEOM StudioPub: Crytivo
Windows
Median: 7.0 hrsMean: 24.5 hrs≥1hr: 82%
Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.
Why similar: Space 22.7%, Sandbox 18.3%, Building 17.6%, Survival 11.5%, Sci-fi 9.6%
- #49 Captain of Industry
68% matchVery Positive90% of 11,385 reviews2022
Dev: MaFi Games
Windows
Median: 9.9 hrsMean: 84.6 hrs≥1hr: 81%
Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.
Why similar: Building 29.5%, Mining 26.8% ★, Simulation 14.4%, Strategy 12.2%, Realistic 7.4%
- #50 Universe Sandbox
69% matchOverwhelmingly Positive96% of 31,919 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.4 hrsMean: 24.3 hrs≥1hr: 71%
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Why similar: Science 15.3%, Space Sim 14.7%, Destruction 12.6%, Sandbox 12.3%, Space 12.2%
- #51 Elite Dangerous
69% matchMostly Positive77% of 107,129 reviews2015
Dev: Frontier Developments
Windows
Median: 18.2 hrsMean: 148.4 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 Sim 31.7%, Space 22.4%, Open World 14.5%, Sci-fi 10%, Sandbox 7.8%
- #52 MineMogul
65% matchOverwhelmingly Positive96% of 4,193 reviews2025
Dev: NoodleForge (Gvarados & Diomonder)Pub: NoodleForge
Windows
Median: 6.1 hrsMean: 12.2 hrs≥1hr: 91%
Design and build a factory deep underground in this physics-based automation sandbox. Mine resources, buy machines and master the chaos as you become the ultimate Mine Mogul!
Why similar: Mining 27.1% ★, Building 17.1%, Sandbox 13.1%, Physics 12.6%, Crafting 10.4%
- #53 Archean
67% matchVery Positive88% of 246 reviews2024
Dev: batcholi
Windows · Linux
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
Why similar: Science 15.5%, Moddable 13.4%, Space Sim 12.5%, Building 10.2%, Sandbox 9.8%
- #54 GearBlocks
67% matchVery Positive91% of 771 reviews2023
Dev: SmashHammer Games
Windows · Linux
Explore a world of creative building, interactive machines, and gears - lots of gears. Build all things mechanical: cars, trucks, cranes, tanks, gearboxes, engines, clocks, anything you can think of. Test your creations to destruction in challenging scenarios, and share them in the workshop!
Why similar: Moddable 24%, Destruction 19.9%, Building 16.8%, Sandbox 13.8%, Physics 11.6%
- #55 Nimbatus - The Space Drone Constructor
67% matchMostly Positive79% of 2,164 reviews2020
Dev: Stray Fawn StudioPub: Stray Fawn Publishing
Windows · Mac · Linux
Median: 3.1 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 Sim 17.7%, Space 12.2%, Building 9.9%, Sandbox 9.3%, Sci-fi 8.3%
- #56 Mars First Logistics
63% matchVery Positive95% of 3,727 reviews2025
Dev: Shape Shop
Windows
Median: 4.2 hrsMean: 10.3 hrs≥1hr: 80%
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
Why similar: Science 22.2%, Space Sim 18.1%, Building 14.5%, Sandbox 13.6%, Physics 10.7%
- #57 Out of Ore
65% matchVery Positive86% of 4,101 reviews2022
Dev: North Modding Company AB
Windows
Median: 11.4 hrsMean: 42.3 hrs≥1hr: 89%
Build your own mining company from the ground up. Extract resources, operate heavy machinery, construct infrastructure, and grow from a laborer to the King of Klondike.
Why similar: Sandbox 19.1%, Mining 18.5% ★, Building 14.8%, Realistic 10.4%, Crafting 8.6%