- #1 Cosmoteer: Starship Architect & Commander
97% matchVery Positive94% of 12,820 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: Spaceships 37.1% ★, Space Sim 13.5%, Building 13.1%, Space 12.5%, Survival 9.6%
Why You'll Like It: Features a highly detailed modular ship-building system that directly impacts combat performance and crew management.
- #2 Space Engineers
96% matchVery Positive89% of 134,313 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.4 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: Space Sim 14.7%, Sandbox 12.9%, Base Building 12.9%, Building 12.8%, Space 12.3%
Why You'll Like It: The definitive sandbox for engineering complex ships and bases with realistic physics and survival elements.
- #3 Avorion
96% matchVery Positive90% of 14,549 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.8 hrsMean: 99.5 hrs≥1hr: 90%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Spaceships 35.9% ★, Space Sim 14.5%, Sandbox 12.6%, Building 12.2%, Space 11.5%
Why You'll Like It: Combines procedural galaxy exploration with an intuitive block-based ship building system and RPG progression.
- #4 Space Haven
95% matchVery Positive86% of 11,081 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: Colony Sim 18.5%, Base Building 12%, Space Sim 11.4%, Sandbox 10.9%, Space 10.8%
Why You'll Like It: Focuses heavily on the management of a crew and the intricate design of a ship interior to survive in deep space.
- #5 Empyrion - Galactic Survival
94% matchMostly Positive78% of 34,392 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.2 hrsMean: 77.1 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: Open World Survival Craft 19.2% ★, Space Sim 14.2%, Building 13.5%, Space 13.3%, Survival 12%
Why You'll Like It: Offers a seamless transition between building ships, constructing planetary bases, and exploring diverse alien worlds.
- #6 Starship EVO
94% matchVery Positive84% of 1,522 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: Building 20.8%, Space 20%, Sandbox 17.2%, Spaceships 16.4% ★, Space Sim 12%
Why You'll Like It: Provides a powerful creative suite for building functional, physics-based starships with complex internal systems.
- #7 Ostranauts
91% matchMostly Positive78% of 3,152 reviews2026
Dev: Blue Bottle GamesPub: Kitfox Games
Windows
Median: 6.2 hrsMean: 32.0 hrs≥1hr: 72%
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
Why similar: Spaceships 27.3% ★, Space Sim 15.6%, Sandbox 13.4%, Space 12.6%, Survival 11.5%
Why You'll Like It: A hardcore survival sim that emphasizes the gritty reality of scavenging and repairing ships in a realistic space setting.
- #8 Celestial Command
93% 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 32.9%, Sandbox 22%, Space Sim 15.2%, Building 13.5%, RPG 5.3%
Why You'll Like It: A physics-based space simulation that challenges players to build functional ships from individual components.
- #9 Starbase
92% matchMixed56% of 6,753 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 Sim 20.4%, Building 18.6%, Sandbox 15.6%, Space 14.8%, Open World 13.3%
Why You'll Like It: A massive-scale MMO that features incredibly detailed ship construction and a fully destructible environment.
- #10 The Last Starship
91% matchMostly Positive75% of 1,688 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 6.1 hrsMean: 12.2 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: Colony Sim 17.5%, Space Sim 15.2%, Sandbox 13.6%, Base Building 13.4%, Building 12.8%
Why You'll Like It: Focuses on the technical design of starships and the strategic management of systems and crew during missions.
- #11 Starbound
90% matchVery Positive90% of 123,281 reviews2016
Dev: Chucklefish
Windows · Mac · Linux
Median: 17.0 hrsMean: 64.4 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: Open World Survival Craft 27.6% ★, Sandbox 17.7%, Space 11.5%, Survival 10.9%, Building 9.1%
Why You'll Like It: Provides a vast, procedurally generated universe to explore with extensive base-building and survival mechanics.
- #12 Reassembly
89% matchVery Positive94% of 4,094 reviews2015
Dev: Anisoptera GamesPub: Indie Voyage
Windows · Mac · Linux
Median: 5.0 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 28.9%, Space 25.9%, Sandbox 24.5%, Open World 6.9%, 2D 4.3%
Why You'll Like It: Features a unique procedural ship-building system that emphasizes tactical combat and faction-based strategy.
- #13 From the Depths
89% matchVery Positive89% of 12,793 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 29.9%, Sandbox 28.5%, Survival 20.8%, Space 20.8%
Why You'll Like It: Offers unparalleled depth in ship design and strategic combat, allowing for total control over every aspect of your vessel.
- #14 Barotrauma
87% matchVery Positive94% of 89,315 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 9.0 hrsMean: 56.1 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: Survival 74.4%, 2D 15.7%, Action 7.2%, Singleplayer 2.7%
Why You'll Like It: Emphasizes the tension of maintaining a ship and managing a crew while navigating a dangerous, alien environment.
- #15 Interstellar Rift
88% matchMixed68% of 1,666 reviews2020
Dev: Split PolygonPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 33.1 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 20.3%, Building 16.8%, Sandbox 15.9%, Space 13.4%, Survival 12.7%
Why You'll Like It: A space-sim that emphasizes ship construction and the management of complex internal systems while exploring the galaxy.
- #16 Stationeers
86% matchVery Positive88% of 9,229 reviews2017
Dev: RocketWerkz
Windows
Median: 10.2 hrsMean: 85.3 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: Colony Sim 24.2%, Base Building 16.5%, Sandbox 15.5%, Building 15.4%, Space 14.4%
Why You'll Like It: Focuses on the complex engineering and atmospheric management required to build and maintain a functional space base.
- #17 StarMade
86% 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 26.6%, Sandbox 24.3%, Building 16.9%, Open World 13.8%, Space Sim 8.7%
Why You'll Like It: A voxel-based space sandbox that allows for massive ship and station construction in a multiplayer environment.
- #18 X4: Foundations
84% matchMostly Positive80% of 30,013 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.0 hrsMean: 95.3 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.
Why similar: Space Sim 25.4%, Space 23.8%, Sandbox 21.4%, Open World 15.4%, Exploration 8.9%
Why You'll Like It: A deep space simulation that allows players to build a fleet, manage stations, and engage in a complex dynamic economy.
- #19 BossConstructor
85% matchMostly Positive73% of 221 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 29.6%, Building 24.3%, Survival 11.6%, RPG 11.5%, Action 7.2%
Why You'll Like It: Allows for creative ship building with a strong emphasis on RPG-style progression and boss encounters.
- #20 Void Destroyer 2
84% matchVery Positive80% of 674 reviews2020
Dev: Iteration 11
Windows
Median: 2.8 hrsMean: 15.3 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 24.8%, Sandbox 20.5%, Space 17.7%, Building 15.7%, Open World 14.6%
Why You'll Like It: Blends space simulation, sandbox exploration, and real-time strategy elements into a cohesive ship-focused experience.
- #21 No Man's Sky
82% matchVery Positive85% of 414,381 reviews2016
Dev: Hello Games
Windows · Mac
Median: 20.1 hrsMean: 70.7 hrs≥1hr: 94%
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Why similar: Open World Survival Craft 26% ★, Space 18.2%, Open World 14.3%, Survival 11.4%, Sandbox 11%
Why You'll Like It: The premier exploration game for those who want to build bases and ships while traveling through an infinite, vibrant universe.
- #22 Astrox Imperium
83% matchVery Positive84% of 1,249 reviews2019
Dev: Jace Masula
Windows
Median: 4.1 hrsMean: 16.2 hrs≥1hr: 66%
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 35.8%, Space Sim 25.3%, Sandbox 21%, Open World 13.7%, Indie 2.4%
Why You'll Like It: A space-sim that offers a deep RPG progression system and a vast, open sandbox to explore and trade in.
- #23 Space Trash Scavenger
81% matchVery Positive84% of 525 reviews2024
Dev: SquarePlay GamesPub: Paradox Arc
Windows
Median: 3.0 hrsMean: 9.0 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: Open World Survival Craft 19.9% ★, Space 12.5%, Sandbox 11.7%, Survival 11.6%, Building 10.9%
Why You'll Like It: Combines survival and base-building mechanics with a focus on scavenging resources from debris in space.
- #24 Hardspace: Shipbreaker
81% matchVery Positive89% of 22,322 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 24.1 hrs≥1hr: 86%
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Why similar: Space 34.4%, Sandbox 24.5%, Space Sim 20.6%, Building 11.8%, Open World 5.2%
Why You'll Like It: Focuses on the mechanical intricacies of ship construction by tasking players with the careful deconstruction of derelict vessels.
- #25 Space Pirates And Zombies 2
82% matchMostly Positive79% of 2,842 reviews2017
Dev: MinMax Games Ltd.
Windows · Mac · Linux
Median: 4.5 hrsMean: 13.4 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 33.6%, Open World 13.6%, Sandbox 12.4%, Building 9.9%, Survival 9.8%
Why You'll Like It: Combines modular ship building with tactical combat and a dynamic, evolving sandbox galaxy.
- #26 Stellar Tactics
78% matchMostly Positive78% of 1,731 reviews2026
Dev: Don WilkinsPub: Maverick Games
Windows
Median: 3.0 hrsMean: 14.7 hrs≥1hr: 68%
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: Sandbox 33.7%, Space 22%, Open World 18.4%, Exploration 15.4%, RPG 8.8%
Why You'll Like It: A squad-based RPG that features deep ship customization and tactical combat across a vast star system.
- #27 Void Crew
78% matchVery Positive86% of 8,426 reviews2024
Dev: Hutlihut GamesPub: Focus Entertainment
Windows
Median: 9.2 hrsMean: 16.8 hrs≥1hr: 94%
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!
Why similar: Space Sim 49.4%, Space 28.7%, Exploration 11.5%, Action 5.1%, Indie 3%
Why You'll Like It: A co-op focused experience that emphasizes the frantic coordination required to operate and maintain a ship in combat.
- #28 FTL: Faster Than Light
79% matchOverwhelmingly Positive95% of 78,596 reviews2012
Dev: Subset Games
Windows · Mac · Linux
Median: 7.1 hrsMean: 34.2 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 48.3%, Space Sim 23.2%, Survival 17%, 2D 4.5%, Indie 4%
Why You'll Like It: A classic roguelike that captures the intensity of managing a ship's crew and systems during desperate combat encounters.
- #29 Necesse
76% matchVery Positive93% of 28,807 reviews2025
Dev: Fair Games ApS
Windows · Mac · Linux
Median: 6.0 hrsMean: 15.3 hrs≥1hr: 79%
Build, quest, and conquer across an infinite procedurally generated world. Play alone or with friends as you establish a settlement and explore deep dungeons, fight monsters and bosses, mine rare ores, craft magical equipment, recruit specialists for your colony, and more!
Why similar: Open World Survival Craft 29.2% ★, Sandbox 13.4%, Survival 11.1%, Building 10.3%, Base Building 9.6%
- #30 orbit.industries
79% matchMixed60% of 91 reviews2022
Dev: LAB132Pub: Klabater
Windows · Linux
🚀 Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. 🛰️ Explore, Build and Prosper!
Why similar: Space 31.4%, Space Sim 25.9%, Building 21.8%, Sandbox 19.2%, Singleplayer 1.7%
Why You'll Like It: Focuses on the strategic management and design of complex space stations in a realistic setting.
- #31 Objects in Space
80% matchMixed52% of 621 reviews2019
Dev: Flat Earth GamesPub: 505 Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 6.6 hrs≥1hr: 70%
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
Why similar: Space 39.2%, Space Sim 25%, RPG 13.2%, Open World 8.6%, Action 8.6%
Why You'll Like It: A hardcore, retro-styled space simulation that focuses on realistic navigation and ship management.
- #32 Astro Colony
75% matchVery Positive81% of 2,699 reviews2026
Dev: Terad Games
Windows
Median: 4.4 hrsMean: 16.2 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: Colony Sim 21.7%, Base Building 17.9%, Space 14.7%, Building 11.7%, Space Sim 10.9%
- #33 Star Valor
76% matchVery Positive89% of 3,421 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 29.0 hrs≥1hr: 79%
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: Spaceships 36.9% ★, Sandbox 14.5%, Space 14.2%, Open World 9.2%, Space Sim 8.9%
- #34 Jitter
75% matchVery Positive85% of 168 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 18.3%, Space 15.8%, Sandbox 15.2%, Base Building 13.2%, Open World 11.4%
- #35 Planet Explorers
77% matchMixed62% of 6,818 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: Open World Survival Craft 30% ★, Sandbox 21.8%, Open World 13.9%, Survival 12.5%, Building 11%
- #36 Keplerth
74% matchVery Positive84% of 4,159 reviews2022
Dev: TAROPub: Gamirror Games
Windows
Median: 7.9 hrsMean: 16.3 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 21.2%, Building 18.5%, Survival 17.6%, Open World 13.8%, Base Building 8.6%
- #37 Cubic Odyssey
73% matchMostly Positive73% of 2,720 reviews2025
Dev: Atypical GamesPub: Gaijin Network Ltd
Windows
Median: 6.2 hrsMean: 8.9 hrs≥1hr: 87%
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: Open World Survival Craft 25.3% ★, Base Building 17.9%, Sandbox 16.7%, Building 16.3%, Space 5.1%
- #38 Starminer
72% matchMostly Positive73% of 1,858 reviews2026
Dev: CoolAndGoodGames
Windows
Median: 7.2 hrsMean: 20.1 hrs≥1hr: 81%
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: Spaceships 38.6% ★, Space Sim 14%, Sandbox 12.4%, Space 11%, Base Building 9.1%
- #39 Spaceflight Simulator
73% matchOverwhelmingly Positive97% of 9,683 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: Spaceships 27.9% ★, Space Sim 18.7%, Sandbox 17%, Space 14.9%, Building 6.9%
- #40 Dig or Die
74% matchVery Positive90% of 4,284 reviews2018
Dev: Gaddy Games
Windows
Median: 4.3 hrsMean: 12.3 hrs≥1hr: 85%
Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.
Why similar: Open World Survival Craft 27.3% ★, Sandbox 18.8%, Survival 17.8%, Building 8.5%, Open World 8.4%
- #41 Edge of Space
77% matchMostly Negative33% of 2,729 reviews2015
Dev: Handyman StudiosPub: Reverb Triple XP
Windows
Median: 4.4 hrsMean: 5.8 hrs≥1hr: 85%
Suit up as an operative of the Ark Corporation, sent to the farthest reaches of the universe in search of habitable planets to terraform. However, after the long space journey you awaken from cryosleep to find that your ship has gone way off course and is disabled near a strange new world.
Why similar: Open World Survival Craft 31.8% ★, Sandbox 21.7%, Space 11.8%, Survival 9.2%, Building 6.8%
- #42 TerraTech
73% matchVery Positive91% of 24,920 reviews2018
Dev: Payload StudiosPub: Mythwright
Windows · Mac · Linux
Median: 8.0 hrsMean: 32.5 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: Open World Survival Craft 24.2% ★, Building 22.9%, Sandbox 20.4%, Open World 13.3%, Survival 10.6%
- #43 ASTRONEER
71% matchVery Positive92% of 139,015 reviews2019
Dev: System Era Softworks
Windows
Median: 11.5 hrsMean: 44.6 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: Open World Survival Craft 21.5% ★, Space 14.8%, Survival 13.5%, Base Building 12.2%, Sandbox 11.2%
- #44 Stardeus
71% matchVery Positive87% of 1,552 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 8.7 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: Colony Sim 20.8%, Base Building 13.3%, Space Sim 12.5%, Space 12.4%, Sandbox 11.7%
- #45 Space Engineers 2
70% matchMostly Positive75% of 5,449 reviews2025
Dev: Keen Software House
Windows
Median: 1.9 hrsMean: 11.1 hrs≥1hr: 64%
Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.
Why similar: Sandbox 17.9%, Building 17.5%, Space 16.3%, Survival 14.9%, Space Sim 13.9%
- #46 Black Skylands
69% matchVery Positive84% of 4,496 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: Sandbox 21.8%, Base Building 21.5%, Open World 17.4%, Survival 17.2%, Pixel Graphics 9.5%
- #47 Endless Sky
70% matchVery Positive92% of 7,090 reviews2015
Dev: Michael Zahniser
Windows · Mac · Linux
Median: 1.0 hrsMean: 13.7 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 41.3%, Open World 16.5%, Space Sim 14.7%, Sandbox 9.3%, Exploration 5.1%
- #48 XenoHaven
68% matchVery Positive86% of 69 reviews2025
Dev: Miniverse GamePub: OKJOY
Windows
In XenoHaven, gather resources to build shelters, enslave alien beasts to work for you, and run restaurants and shops. Delve into dark underground dungeons, defeat swarming insectoids and mighty bosses, and craft powerful gear to conquer the alien world.
Why similar: Open World Survival Craft 16.4% ★, Sandbox 14.6%, Base Building 13.8%, Survival 12.3%, Building 11.3%
- #49 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 38.6%, Open World 22.9%, RPG 12.2%, Action 7.1%, 2D 6.4%
- #50 GRAV
72% matchMixed47% of 6,921 reviews2015
Dev: BitMonster, Inc.
Windows
Median: 1.7 hrsMean: 11.6 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: Open World Survival Craft 28.1% ★, Survival 17%, Base Building 14.8%, Sandbox 14%, Open World 12%
- #51 SpaceCraft
66% matchMixed65% of 2,687 reviews2026
Dev: Shiro Games
Windows
Median: 13.4 hrsMean: 47.3 hrs≥1hr: 91%
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 19.6%, Space 18.7%, Sandbox 18.3%, Base Building 16.9%, Open World 13.3%
- #52 Sector Space
66% matchVery Positive93% of 139 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 35.4%, Building 15.5%, RPG 13%, Exploration 10.6%, Space 9.9%
- #53 Star Crafter
67% matchMixed70% of 106 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: Open World Survival Craft 22.6% ★, Base Building 16%, Space 14.3%, Sandbox 11%, Survival 10.6%
- #54 Craterbound
69% matchMixed53% of 99 reviews2022
Dev: Daniel Marquez
Windows
Crash-land onto a unique and hostile alien world and begin your fight to survive. Face its inhabitants, upgrade your technology, create outposts & bases, and find a way to repair your ship. Explore the beautifully strange terrain, all while blasting and crafting your way off of the planet.
Why similar: Open World Survival Craft 19.7% ★, Space 12.9%, Base Building 12.5%, Survival 12.2%, Space Sim 11.6%
- #55 Nimbatus - The Space Drone Constructor
68% 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 21.6%, Space 16.6%, Sandbox 14%, Building 13.9%, Survival 12%
- #56 Remains
68% matchMostly Positive75% of 321 reviews2021
Dev: SoloQ
Windows
Median: 3.0 hrsMean: 4.1 hrs≥1hr: 79%
Remains - survival in outer space orbiting the planet. Explore the area. Find a way to restore oxygen. Create tools for your needs. Beware of the dangers of outer space. Build your shelter in orbit and try not to die!
Why similar: Open World Survival Craft 19.7% ★, Base Building 13.7%, Space 13.3%, Building 13.2%, Sandbox 12.8%
- #57 Outerverse
69% matchMixed50% of 125 reviews2022
Dev: Tbjbu2Pub: indie.io
Windows
Build automated machines and weapons across the universe, beat massive bosses, experience cosmic events and explore unique landmarks in this quest driven automation crafting adventure game. Includes a manual scenario for crafting instead of machines for those not a fan of logic/automation!
Why similar: Open World Survival Craft 21.3% ★, Space Sim 18.1%, Base Building 14.9%, Space 14.8%, Open World 10.3%
- #58 CryoFall
67% matchMostly Positive78% of 6,462 reviews2021
Dev: AtomicTorch StudioPub: Daedalic Entertainment
Windows
Median: 5.0 hrsMean: 16.3 hrs≥1hr: 88%
CryoFall is a sci-fi colony simulation survival game set on a forgotten planet in a distant future. Master technology, agriculture, trading, industry, cybernetics, exploration, and more!
Why similar: Colony Sim 19.3%, Open World Survival Craft 16.2% ★, Base Building 12%, Sandbox 11.4%, Building 11%
- #59 Astrometica
65% matchVery Positive83% of 3,181 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 3.8 hrsMean: 17.1 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 22.9%, Survival 16.6%, Space 15%, Base Building 14.4%, Open World Survival Craft 13.2% ★