- #1 Cosmoteer: Starship Architect & Commander
97% matchVery Positive94% of 12,715 reviews2022
Dev: Walternate Realities
Windows
Median: 19.5 hrsMean: 41.2 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 31.5% ★, Space 14.6%, Building 14%, Space Sim 9.4%, Survival 9.3%
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 133,963 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.1 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: Base Building 15.7%, Sandbox 14.4%, Space 12.5%, Building 11.9%, Open World 11.7%
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 14,488 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.5 hrsMean: 99.0 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 29.4% ★, Sandbox 15.6%, Space 13%, Building 12.6%, Open World 11.8%
Why You'll Like It: Combines procedural galaxy exploration with an intuitive block-based ship building system and RPG progression.
- #4 Space Haven
94% matchVery Positive86% of 10,886 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: Base Building 17.6%, Sandbox 14.6%, Space 13%, Building 11.9%, Open World 10.6%
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
95% matchMostly Positive78% of 34,271 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.9 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 14.9%, Sandbox 14.7%, Building 13.9%, Open World 13.5%, Open World Survival Craft 12.5% ★
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 1,485 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 22.8%, Building 21.4%, Sandbox 21.2%, Spaceships 13.4% ★, Open World 10.4%
Why You'll Like It: Provides a powerful creative suite for building functional, physics-based starships with complex internal systems.
- #7 Starbase
93% matchMixed56% of 6,734 reviews2021
Dev: Frozenbyte
Windows
Median: 14.3 hrsMean: 91.4 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: Sandbox 19.1%, Open World 18.9%, Building 18.9%, Space 16.4%, Space Sim 13.6%
Why You'll Like It: A massive-scale MMO that features incredibly detailed ship construction and a fully destructible environment.
- #8 Ostranauts
91% matchVery Positive81% of 2,676 reviews2020
Dev: Blue Bottle GamesPub: Kitfox Games
Windows
Median: 5.7 hrsMean: 31.3 hrs≥1hr: 73%
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 23.6% ★, Sandbox 17.4%, Space 15%, Survival 11.4%, Space Sim 11.1%
Why You'll Like It: A hardcore survival sim that emphasizes the gritty reality of scavenging and repairing ships in a realistic space setting.
- #9 Celestial Command
92% matchMixed62% of 701 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 33.7%, Sandbox 25.2%, Building 12.9%, RPG 9.8%, Space Sim 9.5%
Why You'll Like It: A physics-based space simulation that challenges players to build functional ships from individual components.
- #10 Starbound
91% matchVery Positive90% of 123,064 reviews2016
Dev: Chucklefish
Windows · Mac · Linux
Median: 17.1 hrsMean: 64.3 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 20.8%, Open World Survival Craft 17.2% ★, Space 12.3%, Open World 10.3%, Survival 9.7%
Why You'll Like It: Provides a vast, procedurally generated universe to explore with extensive base-building and survival mechanics.
- #11 The Last Starship
90% matchMostly Positive75% of 1,617 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 5.9 hrsMean: 11.4 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: Base Building 19.5%, Sandbox 18%, Space 15.4%, Building 14.1%, Space Sim 11%
Why You'll Like It: Focuses on the technical design of starships and the strategic management of systems and crew during missions.
- #12 Reassembly
89% matchVery Positive94% of 4,079 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: Sandbox 26.5%, Building 26%, Space 25.4%, Open World 8.7%, 2D 5.5%
Why You'll Like It: Features a unique procedural ship-building system that emphasizes tactical combat and faction-based strategy.
- #13 Barotrauma
87% matchVery Positive94% of 87,800 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 55.5 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 48.4%, Gore 17.6%, 2D 15.8%, Violent 15.5%, Singleplayer 2.6%
Why You'll Like It: Emphasizes the tension of maintaining a ship and managing a crew while navigating a dangerous, alien environment.
- #14 From the Depths
88% matchVery Positive89% of 12,716 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: Sandbox 32.4%, Building 28.3%, Space 21.4%, Survival 17.9%
Why You'll Like It: Offers unparalleled depth in ship design and strategic combat, allowing for total control over every aspect of your vessel.
- #15 Interstellar Rift
89% matchMixed68% of 1,663 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: Sandbox 18.7%, Building 16.4%, Open World 16.3%, Space 14.4%, Space Sim 13.1%
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 9,110 reviews2017
Dev: RocketWerkz
Windows
Median: 9.9 hrsMean: 83.8 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: Base Building 25.8%, Sandbox 22.1%, Space 18.7%, Building 18.3%, Survival 15.1%
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 2,989 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: Sandbox 26%, Space 25.8%, Open World 17.2%, Building 15.1%, Exploration 5.2%
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 29,356 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.0 hrsMean: 94.8 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 24.6%, Sandbox 24.4%, Open World 20.5%, Space Sim 15.8%, Exploration 12.6%
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 Positive74% of 219 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 29.2%, Building 21.9%, RPG 20.3%, Survival 9.5%, Exploration 7.3%
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 672 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: Sandbox 24.5%, Open World 20.4%, Space 19.3%, Space Sim 16.2%, Building 15.7%
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 411,162 reviews2016
Dev: Hello Games
Windows · Mac
Median: 20.1 hrsMean: 70.4 hrs≥1hr: 94%
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Why similar: Open World 20.2%, Space 20.1%, Open World Survival Craft 16.7% ★, Sandbox 13.3%, Exploration 11.1%
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 Hardspace: Shipbreaker
81% matchVery Positive89% of 22,140 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: Space 36.3%, Sandbox 28.6%, Space Sim 13.2%, Building 11.3%, Open World 7.5%
Why You'll Like It: Focuses on the mechanical intricacies of ship construction by tasking players with the careful deconstruction of derelict vessels.
- #23 Space Pirates And Zombies 2
83% matchMostly Positive79% of 2,837 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 32%, Open World 16.6%, Sandbox 13%, RPG 10%, Building 8.6%
Why You'll Like It: Combines modular ship building with tactical combat and a dynamic, evolving sandbox galaxy.
- #24 Astrox Imperium
82% matchVery Positive84% of 1,237 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 37%, Sandbox 24.4%, Open World 17.8%, Space Sim 16%, Indie 2.5%
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.
- #25 Space Trash Scavenger
81% matchVery Positive84% of 521 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: Sandbox 14.2%, Space 13.7%, Open World Survival Craft 12.8% ★, Base Building 12.5%, Open World 11.9%
Why You'll Like It: Combines survival and base-building mechanics with a focus on scavenging resources from debris in space.
- #26 Stellar Tactics
78% matchMostly Positive78% of 1,706 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 30.6%, Open World 19.3%, Space 18%, Exploration 17.3%, RPG 13%
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 8,357 reviews2024
Dev: Hutlihut GamesPub: Focus Entertainment
Windows
Median: 9.1 hrsMean: 16.7 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 37.1%, Space 36%, Exploration 19.7%, Indie 3.7%, Singleplayer 3.4%
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 78,209 reviews2012
Dev: Subset Games
Windows · Mac · Linux
Median: 7.1 hrsMean: 34.0 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 53.8%, Survival 15.8%, Space Sim 15.5%, 2D 6.5%, Indie 4.4%
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 orbit.industries
79% matchMixed61% of 88 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 34.8%, Sandbox 23.4%, Building 22.2%, Space Sim 17.2%, Singleplayer 2.3%
Why You'll Like It: Focuses on the strategic management and design of complex space stations in a realistic setting.
- #30 Keplerth
77% matchVery Positive84% of 4,145 reviews2022
Dev: TAROPub: Gamirror Games
Windows
Median: 7.9 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 21.1%, Open World 16.1%, Building 15.5%, Survival 13.3%, Exploration 10.8%
- #31 Objects in Space
80% matchMixed52% of 620 reviews2019
Dev: Flat Earth GamesPub: 505 Games
Windows · Mac · Linux
Median: 2.2 hrsMean: 6.7 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 41.3%, RPG 25.6%, Space Sim 15.5%, Open World 12%, Indie 5.6%
Why You'll Like It: A hardcore, retro-styled space simulation that focuses on realistic navigation and ship management.
- #32 Star Valor
76% matchVery Positive89% of 3,391 reviews2022
Dev: Rafael Burgos
Windows
Median: 4.1 hrsMean: 28.8 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 28.6% ★, Sandbox 16.8%, Space 15%, Open World 12.6%, Exploration 7.9%
- #33 Cubic Odyssey
75% matchMostly Positive73% of 2,674 reviews2025
Dev: Atypical GamesPub: Gaijin Network Ltd
Windows
Median: 5.9 hrsMean: 8.8 hrs≥1hr: 86%
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: Base Building 22%, Sandbox 18.7%, Building 15.2%, Open World Survival Craft 15.1% ★, RPG 9.2%
- #34 Jitter
74% matchVery Positive85% of 163 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: Sandbox 16.1%, Base Building 15.2%, Space 15.2%, Open World 14%, Space Sim 10.5%
- #35 Dig or Die
75% matchVery Positive90% of 4,273 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: Sandbox 22.4%, Open World Survival Craft 17.2% ★, Survival 16.1%, Open World 11.6%, Base Building 10.9%
- #36 Starminer
72% matchMostly Positive75% of 1,757 reviews2026
Dev: CoolAndGoodGames
Windows
Median: 6.3 hrsMean: 13.6 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: Spaceships 30.2% ★, Sandbox 14.7%, Base Building 11.8%, Space 11.8%, Open World 10.3%
- #37 Planet Explorers
76% 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 25.5%, Open World 18.9%, Open World Survival Craft 18.5% ★, Survival 11%, Building 10.6%
- #38 Endless Sky
73% matchVery Positive92% of 7,056 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 39.7%, Open World 20.3%, Sandbox 10%, Space Sim 8.5%, RPG 7%
- #39 TerraTech
73% matchVery Positive91% of 24,767 reviews2018
Dev: Payload StudiosPub: Mythwright
Windows · Mac · Linux
Median: 8.2 hrsMean: 32.8 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 24.5%, Building 22.8%, Open World 18.7%, Open World Survival Craft 15.4% ★, Survival 9.6%
- #40 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: Sandbox 26.3%, Open World Survival Craft 20.5% ★, Space 13%, Survival 8.5%, Open World 7.8%
- #41 Space Engineers 2
71% matchMostly Positive75% of 4,798 reviews2025
Dev: Keen Software House
Windows
Median: 1.4 hrsMean: 8.1 hrs≥1hr: 60%
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 20.2%, Space 16.5%, Building 16.3%, Open World 14.1%, Survival 12.7%
- #42 Necesse
69% matchVery Positive93% of 27,498 reviews2025
Dev: Fair Games ApS
Windows · Mac · Linux
Median: 5.9 hrsMean: 14.9 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 17.7% ★, Sandbox 15.6%, Open World 13%, Base Building 12%, Building 9.9%
- #43 Spaceflight Simulator
71% matchOverwhelmingly Positive97% of 9,436 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 22.6% ★, Sandbox 20.6%, Space 16.5%, Space Sim 12.3%, Exploration 8.3%
- #44 Destination Sol
73% 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 34.6%, Open World 26.5%, RPG 19.6%, 2D 7.5%, Indie 3.8%
- #45 Remains
72% matchMostly Positive76% of 318 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: Base Building 17.5%, Sandbox 15%, Space 14.1%, Building 12.9%, Open World Survival Craft 12.2% ★
- #46 Astro Colony
68% matchVery Positive81% of 2,654 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: Base Building 27.3%, Space 18.6%, Sandbox 14%, Building 13.5%, Open World 11.1%
- #47 XenoHaven
69% 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: Base Building 16.4%, Sandbox 15.9%, Open World 13.8%, Building 10.3%, Survival 10.2%
- #48 TerraTech Worlds
70% matchMixed63% of 2,256 reviews2024
Dev: Payload StudiosPub: Mythwright
Windows
Median: 7.3 hrsMean: 21.6 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: Base Building 19.7%, Sandbox 16.4%, Open World 13%, Building 13%, Open World Survival Craft 12.4% ★
- #49 SpaceCraft
67% matchMixed67% of 2,264 reviews2026
Dev: Shiro Games
Windows
Median: 13.9 hrsMean: 37.2 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: Base Building 19.3%, Sandbox 19%, Space 17.9%, Open World 16.2%, Space Sim 11.2%
- #50 Nimbatus - The Space Drone Constructor
69% matchMostly Positive79% of 2,154 reviews2020
Dev: Stray Fawn StudioPub: Stray Fawn Publishing
Windows · Mac · Linux
Median: 3.1 hrsMean: 5.0 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 17.9%, Sandbox 16.6%, Space Sim 14%, Building 13.7%, Open World 13%
- #51 Craterbound
70% matchMixed54% 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: Base Building 15.9%, Space 13.7%, Open World 13.2%, Open World Survival Craft 12.1% ★, Sandbox 11%
- #52 GRAV
71% 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: Base Building 19%, Open World Survival Craft 17.5% ★, Sandbox 16.5%, Open World 16.5%, Survival 15.2%
- #53 Outerverse
70% 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: Base Building 19.1%, Space 15.8%, Open World 14.1%, Open World Survival Craft 13.3% ★, RPG 12.9%
- #54 Sector Space
66% matchVery Positive96% of 98 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: RPG 23.7%, Space Sim 21%, Exploration 14.7%, Building 14.3%, Space 9.4%
- #55 Star Crafter
67% matchMixed70% of 105 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: Base Building 20.2%, Space 15%, Open World Survival Craft 13.8% ★, Sandbox 12.7%, Open World 9.7%
- #56 Black Skylands
66% matchVery Positive84% of 4,434 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: Base Building 22.9%, Sandbox 21.1%, Open World 19.7%, Survival 12.6%, Pixel Graphics 10.7%
- #57 Prospector
67% matchMostly Positive71% of 152 reviews2025
Dev: Loonworks Games
Windows
Land on a distant planet in this chill resource management game. Harvest alien resources, build and automate machinery, uncover secrets across the stars and strike shipping deals with distant colonies for exclusive rewards!
Why similar: Base Building 15.8%, Sandbox 14.2%, Open World 11.4%, Building 11.2%, Space 10.5%
- #58 Minicology
67% matchMixed68% of 72 reviews2024
Dev: Isaac DennerPub: Iceberg Interactive
Windows
Median: 4.3 hrsMean: 4.7 hrs≥1hr: 91%
You have crash-landed into a mini-verse of tiny planets. Welcome to Minicology! Embark on an interstellar survival sandbox journey. Use your crafting, combat, and automation skills to survive the many challenges this mini-verse throws at you.
Why similar: Base Building 13.6%, Sandbox 12.8%, Space Sim 10.8%, Building 10.2%, Open World 9.8%
- #59 Starcom: Unknown Space
64% matchVery Positive92% of 4,377 reviews2024
Dev: Wx3 Labs, LLC
Windows
Median: 8.5 hrsMean: 16.9 hrs≥1hr: 83%
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 25.8%, Open World 18.6%, Space Sim 12.5%, Exploration 12.3%, Building 10.5%