- #1 Stardeus
97% matchVery Positive87% of 1,534 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 9.0 hrsMean: 22.6 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: God Game 18.2% ★, Colony Sim 18%, Space Sim 12.4%, Base Building 8.7%, Space 8.1%
- #2 SPORE™
96% matchVery Positive93% of 71,309 reviews2008
Dev: Maxis™Pub: Electronic Arts
Windows
Median: 5.1 hrsMean: 19.3 hrs≥1hr: 86%
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.
Why similar: God Game 29.6% ★, Colony Sim 20.6%, Sandbox 10%, Open World 9.7%, Space 9.6%
- #3 Trappist
96% matchVery Positive90% of 72 reviews2024
Dev: Sirrah
Windows · Mac · Linux
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.
Why similar: God Game 24.8% ★, Colony Sim 19%, Space Sim 15.9%, Base Building 8.5%, Sandbox 8.4%
- #4 Starship Colony
95% matchNo user reviews2026
Dev: Black Belt Software
Windows
A deep starship colony sim. Build your starship, manage air, water, food, fuel, energy, temperature and psychology to keep your crew alive across vast distances. Closed-loop system in space. Mining, wiring, plumbing, in-ship factory, (alien?) radio signals & translation, diplomacy, combat, and more.
Why similar: Colony Sim 26.2%, Space Sim 16.5%, Base Building 12.4%, Sandbox 9.4%, Survival 9.3%
- #5 Inspiral: Echoes of Gravity
94% matchVery Positive80% of 55 reviews2025
Dev: PcZ Games
Windows · Mac
Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.
Why similar: God Game 29.9% ★, Space Sim 20.2%, Space 13.7%, Sandbox 11.5%, Open World 5.7%
- #6 Space Haven
94% matchVery Positive86% of 10,442 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 19.9 hrs≥1hr: 72%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Colony Sim 22.3%, Space Sim 15.7%, Base Building 10.9%, Space 9.8%, Sandbox 9.7%
- #7 The Universim
93% matchMostly Positive80% of 10,560 reviews2024
Dev: Crytivo
Windows · Mac · Linux
Median: 7.3 hrsMean: 34.1 hrs≥1hr: 89%
Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.
Why similar: God Game 33.3% ★, Colony Sim 24.9%, Sandbox 10.7%, Space 7.8%, Survival 7.7%
- #8 ROVA
92% matchPositive100% of 17 reviews2026
Dev: FreeRangeDevs
Windows
ROVA is a cozy space-rover photography game. Help a new space colony conduct research on large spherical planets, by documenting elements of alien worlds through photography. ROVA is a game about discovery and exploration.
Why similar: Colony Sim 27.1%, Space Sim 21%, Sandbox 12.7%, Space 12%, Open World 7.9%
- #9 Starfall Protocol
91% matchNo user reviews
Dev: Chaos Systematic
Windows
Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌
Why similar: Colony Sim 26.4%, Space Sim 22%, Base Building 12.2%, Sandbox 10.9%, Open World 10%
- #10 SPORE™ Galactic Adventures
91% matchVery Positive89% of 7,637 reviews2009
Dev: EA - MaxisPub: Electronic Arts
Windows
Median: 3.4 hrsMean: 36.7 hrs≥1hr: 66%
Take Your Creature From Zero To Galactic HeroGet out of your starship and turn your Spore creatures into legendary Space Captains. For the first time, beam down with your allies to take on action-packed, planetside adventures. Complete quests, collect rewards, and even create your own missions.
Why similar: God Game 25.1% ★, Space 17.6%, Open World 14.4%, Sandbox 13.7%, Simulation 10.4%
- #11 Sapiens
90% matchVery Positive83% of 2,122 reviews2022
Dev: Majic Jungle
Windows · Mac
Median: 6.4 hrsMean: 18.1 hrs≥1hr: 86%
Create your own prehistoric civilization and lead your tribe in a world you shape. Start with nothing, build towns and industry, and advance through thousands of years of technological breakthroughs in this intimate yet expansive colony sim.
Why similar: God Game 32.4% ★, Colony Sim 24.8%, Base Building 11%, Sandbox 8%, Survival 7.7%
- #12 Adapt
89% matchNo user reviews
Dev: Paul HervéPub: Slug Disco
Windows
To survive, you must guide your species through a constantly changing world. Compete with strange creatures for food and territory, and find your niche through careful evolutionary choices. The real question is not if you can survive, but for how long.
Why similar: God Game 33.8% ★, Open World 11.8%, Sandbox 11.6%, Survival 10.5%, Character Customization 8.8%
- #13 SPORE™ Creepy & Cute Parts Pack
89% matchVery Positive89% of 2,144 reviews2008
Dev: Maxis™Pub: Electronic Arts
Windows
Median: 18 minMean: 5.9 hrs≥1hr: 40%
Add horror and humor to your universe. Make grotesque beasts or cuddly critters, then watch them do the robot, zombie walk, break dance and more! Includes over 100 new items. 60 New parts 48 New paint options 24 New animations
Why similar: God Game 43.1% ★, Open World 14.8%, Simulation 12.9%, Sandbox 11.6%, Character Customization 7.3%
- #14 Anima mundi
88% matchNo user reviews
Dev: Pemdora
Windows
Welcome to Anima mundi! Build an ecosystem, populate your planet, & immerse in the lives of its creatures as they grow and evolve. Each planet holds unique species. Will you be able to uncover the mysteries of each one?
Why similar: God Game 35.8% ★, Space Sim 14.3%, Sandbox 12.2%, Space 10.1%, Survival 8.9%
- #15 StarDune
87% matchNo user reviews
Dev: 2w Systems
Windows · Mac
Build, Fly, and Survive. StarDune combines tactile, modular construction with seamless space travel. Reshape vibrant voxel planets, automate your outposts, and explore a procedurally generated solar system alone or with friends in a world that’s yours to mold.
Why similar: Space Sim 26.4%, Sandbox 15.6%, Base Building 13.5%, Open World 10.5%, Survival 8.5%
- #16 Zenith Expanse
86% matchNo user reviews2026
Dev: Glitched Phoenix Studios
Windows · Mac · Linux
Command a damaged scout ship in a living space colony survival sim. Wake your crew from cryostasis, secure water and food, build fragile settlements, trade or smuggle between factions, and survive the stories that emerge.
Why similar: Colony Sim 28.8%, Space Sim 14.8%, Base Building 13.4%, Survival 10.2%, Sandbox 10.2%
- #17 HullRats
86% matchNo user reviews
Dev: Dan Danciu
Windows
A sandbox simulation where you manage oxygen, pressure, heat but also the mental and physical wellbeing of your crew. Take command of ships, scavenge, build, craft, survive the harshness of space in an emergent story where the world does not care about you.
Why similar: Colony Sim 30.4%, Base Building 14.2%, Survival 10.8%, Open World 10.5%, Space 7.3%
- #18 Oxygen Not Included
85% matchOverwhelmingly Positive97% of 140,434 reviews2019
Dev: Klei Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 68.0 hrs≥1hr: 86%
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
Why similar: Colony Sim 38.8%, Base Building 18.1%, Survival 12.8%, Sandbox 7.6%, Space 5.8%
- #19 Once Upon The Universe
84% matchNo user reviews2026
Dev: Paweł Witkowski ByteEncode
Windows
Once Upon The Universe is a god-game that takes you to the VERY beginning of creation. You begin the game just seconds after the big bang, with nothing but an empty space and a lot of super hot hydrogen in the entire universe. Fill the universe with life and watch it thrive - or destory it.
Why similar: God Game 47.6% ★, Space Sim 25.9%, Sandbox 15.6%, Sci-fi 5.9%, Simulation 3.8%
- #20 Gaia Maker
82% matchPositive93% of 30 reviews2026
Dev: Garkimasera Games
Windows · Linux
Gaia Maker is a planet-wide simulation game of terraforming, based on real physics and geology. As the planet's overseer, wield advanced technologies to reshape barren planets into life-filled worlds. Foster animal life, cultivate civilizations, or destroy them. Their fate is in your hands.
Why similar: God Game 42.2% ★, Space Sim 17.4%, Sandbox 16.9%, Space 10.1%, Simulation 8.8%
- #21 Maia
84% matchMixed44% of 1,064 reviews2018
Dev: Simon RothPub: Machine Studios
Windows · Mac · Linux
Median: 30 minMean: 4.4 hrs≥1hr: 41%
Maia is a colony building game set in the not-so-distant future. Your colonists make planetfall on a hostile world and you must ensure their survival and their safety, constructing their off-world habitat from almost nothing and sheltering them from a dangerous, often deadly environment.
Why similar: Colony Sim 39.9%, Survival 11.8%, Base Building 10.4%, Sci-fi 10%, Space 9.8%
- #22 Exodus H
83% matchNegative18% of 11 reviews2021
Dev: Silversoft
Windows
Take command of your own colonial ship. Ensure the survival of your inhabitants and try to find a new habitable planet. This is the goal of the the Exodus H Space Commanders.
Why similar: Colony Sim 25.2%, Base Building 13.3%, Space 11.3%, Sandbox 10%, Survival 7.9%
- #23 Huntian: StarTrace
82% matchNo user reviews2026
Dev: INSIGNE
Windows
Welcome to this innovative sci-fi open-world! As the last survivor of humanity, build a home on a wild alien planet. Reignite civilization—from primal survival to advanced energy systems. Use the Planetary Control Module to reshape the world, uncover human secrets, and journey back to Earth.
Why similar: Space Sim 20.8%, Sandbox 18.1%, Space 15.1%, Open World 13.6%, Base Building 10.5%
- #24 Elon Simulator - Spend Like A Trillionaire
81% match9 user reviews100% of 9 reviews2023
Dev: Anark Studios
Windows
Elon Simulator is an immersive Trillionaire Simulator with TONS of fun mechanics and activities. As Elon, you can: Smoke Weed (a lot), Print your own Money, Sell Lithium to Earth for BILLIONS, Make MILLIONS while you sleep in real life, Become a Trillionaire, and TONS more! Made by one dude.
Why similar: God Game 29.8% ★, Colony Sim 24.1%, Space Sim 19.1%, Sandbox 11.1%, Open World 7.5%
- #25 Worlds Explorers
81% matchNo user reviews2026
Dev: Pioneers Games
Windows · Linux
Explore alien planets with carefully designed ecosystems, weather, resources, dangers and unique phenomena. Hunt animals for food and collect resources to craft equipment and repair devices on your ship. Escape each unique planet and unlock crew members and new ships.
Why similar: Colony Sim 18.9%, Space Sim 15.3%, Survival 10.8%, Space 10.1%, Open World 9.9%
- #26 Triton Survival
79% matchMixed70% of 33 reviews2025
Dev: Family Devs
Windows
Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?
Why similar: Space Sim 20.9%, Sandbox 13.4%, Space 12.6%, Base Building 12.2%, Survival 9.8%
- #27 Heliopedia
80% matchVery Positive88% of 214 reviews2021
Dev: Sokpop Collective
Windows · Mac
Median: 1.1 hrsMean: 5.0 hrs≥1hr: 50%
A fictional universe sandbox/exploration game. 🪐☄️✨ Shape your own solar system by terraforming planets. Find new species and make beautiful ecosystems . . . or breed destruction with volcanos, lightning storms and wildfires!
Why similar: God Game 34.8% ★, Space Sim 21.3%, Sandbox 12.2%, Space 10.5%, Simulation 5.7%
- #28 Fata Deum - The God Sim
79% matchMixed60% of 453 reviews2025
Dev: 42 Bits EntertainmentPub: Aerosoft GmbH
Windows
Inspired by the god games of old, Fata Deum lets you mold settlements and townsfolk in your image. Will you raise the settlements to splendor, or spur them on to violent debauchery and demons? Watch as a living world grows under your whims.
Why similar: God Game 31.4% ★, Colony Sim 21.3%, Base Building 10.2%, Sandbox 10.1%, Open World 9.8%
- #29 Plentiful
76% matchPositive97% of 35 reviews2026
Dev: GabberGamesPub: Learnia Inc
Windows
Plentiful is a nature sandbox. You shape the land and everything responds—water, plants, animals, and your people. Learn how this world works. Your tribe’s survival depends on it.
Why similar: God Game 38.1% ★, Colony Sim 27.2%, Sandbox 15%, Open World 6.6%, Simulation 5.3%
- #30 Solar 2
78% matchVery Positive91% of 2,209 reviews2011
Dev: Murudai
Windows · Mac · Linux
Median: 2.0 hrsMean: 4.3 hrs≥1hr: 71%
Dynamic abstract sandbox universe. Changes and evolves as you do.
Why similar: God Game 23.6% ★, Space 23.3%, Sandbox 17.3%, Space Sim 14.2%, Open World 9.3%
- #31 Embark
78% matchMixed61% of 388 reviews2019
Dev: Overly Complicated Games
Windows
Inspired by the deep simulation of Dwarf Fortress, the open world survival of Minecraft, and the social interactions of The Sims. Embark is a colony management game with a focus on complex simulation in a huge living 3D world.
Why similar: Colony Sim 45.2%, Base Building 16.1%, Sandbox 10.8%, Survival 8.7%, Open World 8.4%
- #32 Planetbase
77% matchMostly Positive80% of 10,320 reviews2015
Dev: Madruga Works
Windows · Mac
Median: 8.2 hrsMean: 26.2 hrs≥1hr: 90%
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Why similar: Colony Sim 36.1%, Base Building 15.9%, Space 14.5%, Survival 10.5%, Space Sim 6%
- #33 Tidal Expanse
76% matchNo user reviews
Dev: Per Aspera Studios
Windows
Dive into a hardcore space station simulation and overcome the unforgiving environment of space. You must build and manage your station under the pressures of life, economics, and thermodynamics. Rise to power through economic leverage or ruthless military might.
Why similar: Colony Sim 28.2%, Space Sim 27.9%, Sandbox 17.1%, Simulation 8.8%, Space 5.8%
- #34 Stonedeep
77% matchMixed46% of 104 reviews2021
Dev: Direfang
Windows
Stonedeep is an 2.5D underground city builder. Dwarfs gather resources, build and fend off monsters. Colonies can specialize in culture, production, military and trading. At start, dwarfs need drinks and rest. With a higher civilization level, they will increase their needs.
Why similar: Colony Sim 26.9%, God Game 18.8% ★, Base Building 14.3%, Survival 10.1%, Sandbox 10%
- #35 SpaceSlog
74% matchMostly Positive80% of 34 reviews2026
Dev: Produno Games Studios
Windows · Linux
Build your spaceship, manage your crew, and explore the cosmos whilst trying to keep your crew alive and your ship fully functioning. This game features simulated ship systems and a lived in universe which creates a challenging, unique and unforgettable experience with every playthrough.
Why similar: Colony Sim 29%, Base Building 13.7%, Space 12.5%, Sandbox 11.3%, Survival 10.5%
- #36 Cosmic Remnants
75% matchNo user reviews
Dev: YAGEL09
Windows · Mac
In Cosmic Remnants, you find yourself adrift in space with only a floating platform. Alone or with friends, survive by scavenging resources, upgrading your platform, and enhancing yourself with discovered body parts. Explore advanced bases and uncover the truth behind humanity's demise!
Why similar: Base Building 16%, Sandbox 15.8%, Space 14.5%, Survival 11.2%, Character Customization 9.8%
- #37 Mars Colony Builder
74% matchNo user reviews
Dev: GameHunters
Windows
Discover a whole new world with Mars City Builder! Construct roads, erect buildings customize the city and take care of its safety. After all, you are the first Martian settler and this is a vast, unknown land. Develop it in any way you please!
Why similar: Colony Sim 28.4%, Base Building 13.6%, Sandbox 12.9%, Survival 10.6%, Open World 10.1%
- #38 Rodina
75% matchVery Positive93% of 1,329 reviews2014
Dev: Elliptic Games
Windows
Median: 2.8 hrsMean: 6.4 hrs≥1hr: 71%
A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!
Why similar: Space 25.7%, Open World 18.8%, Space Sim 16.5%, Sandbox 14.7%, Exploration 11.1%
- #39 Pick Me Up
73% matchNo user reviews
Dev: Ultra Sunny Studio
Windows
Experience survival and combat in a point-and-click colony simulation. Gather resources, build structures, and lead your tribe to prosperity. Interact directly with objects, ruling this world with a sacred cursor.
Why similar: Colony Sim 31.1%, God Game 27.6% ★, Base Building 13.7%, Sandbox 9.5%, Survival 9%
- #40 Order: The New Dawn
73% matchNo user reviews2026
Dev: Outer Space Workshop
Windows
Order: The New Dawn is a colony sim with space adventure. As a legendary captain from the United Stellar, build a base on the desert planet New Terra and face the perils of the Wastespace—how will you shape the destiny of the stars?
Why similar: Colony Sim 29.7%, Space Sim 24.4%, Base Building 13%, Sandbox 11.2%, Survival 8.2%
- #41 Celestium
73% matchNo user reviews
Dev: alex197
Windows · Linux
An open world survival game set in space.
Why similar: Space Sim 21.3%, Space 13.6%, Sandbox 12.8%, Open World 12.6%, Base Building 11.7%
- #42 DawnWorld Founders
71% match2 user reviews50% of 2 reviews2025
Dev: Mindful Games
Windows
Shipwrecked and abandoned in an unknown land. Build, expand, and even influence a medieval world where every decision shapes your rise. Establish yourself, repel threats, and guide your people's progress and destiny from above and on the ground in this relaxing single-player city builder.
Why similar: God Game 34.6% ★, Colony Sim 21.9%, Sandbox 13%, Survival 11.8%, Base Building 8.8%
- #43 MeowFactory
72% matchNo user reviews2026
Dev: Smola Game Studio
Windows
Welcome to the MEOWFACTORY! Automate production lines and manage limited space to achieve perfection. Connect machines with conveyor lines and minimize hand (well, paw) labour! In the near and depressing future, when the world is on the verge of destruction, ONLY MEOWORKERS can revive production!
Why similar: God Game 36.9% ★, Colony Sim 25.8%, Sandbox 13.9%, Simulation 9.3%, Base Building 7.7%
- #44 Arcbound
71% matchNo user reviews2026
Dev: Outbreak Interactive
Windows
A colony sim set on a starship. Build and manage a spacefaring civilisation, balance oxygen, power, and crew survival, and guide your ship through the final escape from Earth.
Why similar: Colony Sim 37.5%, Space Sim 26.9%, Base Building 16.3%, Simulation 7.5%, Survival 7.4%
- #45 Elusive Verge
70% matchNo user reviews
Dev: ElusiveVerge
Windows
Elusive Verge is a third-person space exploration game with dash of base-building, combat and survival.
Why similar: Colony Sim 28.5%, Space Sim 23.3%, Sandbox 13.1%, Space 7.7%, Exploration 6.3%
- #46 X Space
70% matchNo user reviews2026
Dev: X SPACE
Windows
A sudden, devastating strike has reduced your interstellar voyage to ruins. As the sole survivor in X SPACE, you must rebuild your space base from scratch, assemble a versatile fleet, and pilot your massive mobile fortress into the depths of the universe.
Why similar: Space Sim 19.1%, Sandbox 12.9%, Open World 12.8%, Space 12.6%, Base Building 11.4%
- #47 Cosmos Conquer
71% match2 user reviews50% of 2 reviews2022
Dev: Paweł WiechaPub: Iguana Mercenary
Windows
The technologically advanced humanity starts looking for other planets to conquer. Now that the Earth is depleted of its resources, we're looking for them elsewhere. The Universe is open for us now - and it cannot hide any secrets. So how will you conquer it?
Why similar: God Game 35.6% ★, Colony Sim 25%, Space Sim 21.2%, Simulation 5.9%, Exploration 5.7%
- #48 Idol Hands
72% matchMixed44% of 188 reviews2015
Dev: Pocket GamesPub: Green Man Gaming Publishing
Windows · Mac · Linux
Median: 3.3 hrsMean: 4.1 hrs≥1hr: 97%
Idol Hands is a strategy game where you gradually take over the world by guiding your people and defeating other gods.
Why similar: God Game 54.1% ★, Sandbox 19.3%, Open World 14.4%, Simulation 11.7%, Indie 0.5%
- #49 Titan: The Ascension
69% matchNo user reviews2027
Dev: Wildercroft Studio
Windows
Titan: The Ascension is a colony management strategy game on Saturn’s moon Titan. Build and expand an off-world industrial colony, extract ice to produce water for Earth, trade resources, and defend against ancient automated systems that react to technology growth. Will you prevail?
Why similar: Colony Sim 26.2%, Space Sim 19.5%, Space 14.7%, Base Building 14%, Sci-fi 7.5%
- #50 Sandbox:God Simulator
69% match7 user reviews29% of 7 reviews2023
Dev: JYS
Windows
This is a pixel sandbox game where you can place multiple different elements into the scene to create a unique little world.
Why similar: God Game 52.4% ★, Sandbox 17.7%, Simulation 13.1%, Open World 8.2%, Exploration 7.8%
- #51 Solar Sandbox
68% matchNo user reviews
Dev: Totoriel
Windows · Linux
Solar Sandbox is a space engine that allow for player to simulate n-body physics in space. Simulate large n-body physics or how would the Earth be effected by you changing it's orbit or how how many Jupiters you need to combine to get a star.
Why similar: God Game 36.1% ★, Space Sim 18.3%, Space 15.2%, Sandbox 14.5%, Simulation 8.3%
- #52 Among The Stars
68% matchNo user reviews2026
Dev: Hidden Universe Games
Windows
You find yourself in a distant galaxy full of merchants, diplomats, bandits and powerful factions. Explore unknown galaxies, trade, fight pirates or become one. Uncover mysteries and shape the universe!
Why similar: Space Sim 37.5%, Sandbox 19.7%, Exploration 11.3%, Open World 9.5%, Space 7.1%
- #53 Star Horizon
70% matchMixed60% of 150 reviews2015
Dev: Orbital Knight
Windows · Mac · Linux
Median: 3.6 hrsMean: 3.9 hrs≥1hr: 93%
Experience fast action, thrilling levels, spectacular explosions and lots of pew-pew-pew. Star Horizon is a reboot for the on-rails space shooter genre.
Why similar: Space Sim 21.1%, Space 20.2%, Sci-fi 11.2%, Sandbox 10.7%, Open World 10.1%
- #54 GalactiWar - Empire Simulator
68% matchNo user reviews2026
Dev: Silver
Windows
Watch empires rise and fall, or intervene with godly powers, in GalactiWar, a space empire simulation sandbox game.
Why similar: God Game 39.7% ★, Sandbox 17.1%, Space Sim 14.7%, Space 13%, Simulation 9.4%
- #55 Astro Colony
67% matchVery Positive82% of 2,526 reviews2022
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: Colony Sim 26.4%, Base Building 16.9%, Space Sim 15.5%, Space 13.7%, Sandbox 9.4%
- #56 Reus 2
65% matchVery Positive95% of 2,243 reviews2024
Dev: Abbey GamesPub: Firesquid
Windows
Median: 3.5 hrsMean: 9.8 hrs≥1hr: 75%
Shape worlds with your godly titans. Make symbiotic ecosystems and inspire humanity with your creations. Their achievements unlock new possibilities. Make different planets for different human spirits, and fill the universe with life!
Why similar: God Game 41.1% ★, Colony Sim 26.8%, Base Building 12.4%, Sandbox 10.3%, Simulation 3.9%
- #57 The Last Starship
64% matchMostly Positive75% of 1,491 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 6.1 hrsMean: 11.2 hrs≥1hr: 81%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Space Sim 21.9%, Colony Sim 21.8%, Base Building 12.6%, Sandbox 12.5%, Space 12.3%
- #58 Universe Sandbox
67% matchOverwhelmingly Positive96% of 31,223 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.3 hrsMean: 23.8 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: Space Sim 22.8%, God Game 21.5% ★, Sandbox 15.1%, Space 14.1%, Open World 11.9%
- #59 What a Wonderful Venom World
66% matchNo user reviews2026
Dev: radiuthree
Windows · Mac
"What a Wonderful Venom World" is a difficult survival sim. All food is poisoned, and you must find an antidote through endless trial and error. Face countless deaths and share info with other players to speed up your research. This game is for players who enjoy a serious challenge.
Why similar: God Game 42.1% ★, Colony Sim 33.4%, Simulation 10.5%, Survival 6.7%, Exploration 6.6%
- #60 Planeta
67% matchPositive82% of 17 reviews2021
Dev: Tomas Daugela
Windows
Planeta is a planet-building game where you can create and customize your planet as you wish! Main goal is to create conditions for humans to live and build a rocket ship and fly to the moon!
Why similar: God Game 38.7% ★, Colony Sim 24.6%, Sandbox 12.8%, Survival 7.3%, Simulation 6.8%