- #1 Microcosmum: survival of cells
97% matchVery Positive84% of 1,416 reviews2015
Dev: Satur Entertainment
Windows
Median: 3.4 hrsMean: 5.4 hrs≥1hr: 92%
Microcosmum: survival of cells. Join the wonderful and amazing world of microorganisms.
Why similar: RTS 22%, Real Time Tactics 15.2%, Strategy 14.6%, Sandbox 12.2%, Space 10%
Why You'll Like It: As the direct predecessor, it offers the exact same core gameplay loop of biological evolution and tactical expansion.
- #2 Eufloria HD
96% matchVery Positive89% of 869 reviews2014
Dev: Rudolf Kremers & Alex MayPub: Omni Systems
Windows · Mac · Linux
Median: 1.1 hrsMean: 6.8 hrs≥1hr: 51%
Experience the celebrated strategy gameplay of Eufloria HD. Conquer asteroids in space and use their resources to grow floral creatures that do your bidding. Expand your empire and fight against several teams of AI opponents that all vie for the same resources and can offer fierce opposition.
Why similar: Strategy 46.9%, Relaxing 16.6%, RTS 13.7%, Indie 13.2%, Casual 9.6%
Why You'll Like It: This game perfectly captures the relaxing, atmospheric strategy and organic expansion feel of the seed game.
- #3 Osmos
96% matchVery Positive86% of 1,433 reviews2009
Dev: Hemisphere Games
Windows · Mac · Linux
Median: 48 minMean: 2.3 hrs≥1hr: 43%
Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.
Why similar: Casual 20.7%, Indie 16.6%, Relaxing 15.2%, Physics 14.3%, Science 8.1%
Why You'll Like It: It shares the physics-based growth and absorption mechanics that define the microscopic experience.
- #4 Auralux: Constellations
95% matchVery Positive81% of 176 reviews2016
Dev: Grove Street Games
Windows
Auralux: Constellations is the awaited sequel to Auralux, the critically acclaimed minimalistic Real Time Strategy game. Explore a dozen new gameplay mechanics through each constellation, one new feature at a time. It's Real-Time Strategy, deconstructed.
Why similar: RTS 20.5%, Strategy 16.8%, Real Time Tactics 15.7%, RPG 14.4%, Space 8.6%
Why You'll Like It: A minimalist real-time strategy game that mirrors the simple, elegant tactical movement found in the seed game.
- #5 rymdkapsel
94% matchVery Positive83% of 277 reviews2014
Dev: grapefrukt games
Windows · Mac · Linux
Median: 2.1 hrsMean: 4.4 hrs≥1hr: 76%
Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.
Why similar: RTS 21.9%, Real Time Tactics 21.4%, Strategy 16.5%, Space 12.5%, Relaxing 9.4%
Why You'll Like It: A minimalist strategy game that emphasizes base-building and expansion in a clean, relaxing aesthetic.
- #6 FLOW
94% matchMixed50% of 26 reviews2021
Dev: FLOW Development Team
Windows
FLOW is an extremely short psychological horror adventure video game. Wake up in the shoes of Flo, a 19-year-old, and embark on an adventure into a strange and wonderful world. The more you investigate, the more you can learn about the truth behind the universe.
Why similar: RPG 52.8%, Indie 22.8%, Exploration 19.3%, Atmospheric 5.1%
Why You'll Like It: This title provides a deeply relaxing, biological evolution experience focused on movement and growth.
- #7 SPORE™
92% 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: Science 22.3%, Aliens 13.9%, Space 13.8%, Simulation 13.1%, Sandbox 12%
Why You'll Like It: The definitive game for players interested in the evolution and development of life forms across different stages.
- #8 Multicellular
93% matchMixed64% of 55 reviews2018
Dev: Insane Dreamers
Windows
Multicellular will take you back in time, to the dawn of life. Build your multicellular organism and combat hunger, the environment, darkness and other organisms. Everything in this new world can kill you, will you be able to survive?
Why similar: Science 18.5%, Aliens 16.2%, Simulation 13.5%, Physics 10.2%, Sandbox 9.9%
Why You'll Like It: Focuses on the same microscopic, biological survival theme with a relaxing, indie-game feel.
- #9 Species: Artificial Life, Real Evolution
91% matchMostly Positive74% of 996 reviews2018
Dev: Quasar
Windows · Mac · Linux
Median: 2.3 hrsMean: 8.3 hrs≥1hr: 63%
Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time.
Why similar: Science 26.6%, Simulation 24.3%, Sandbox 18.6%, Real-Time 15.2% ★, Strategy 6.2%
Why You'll Like It: A deep simulation that focuses on the mechanics of natural selection and biological evolution.
- #10 Solar 2
91% 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: Space 25.7%, Sandbox 15.8%, Simulation 12.4%, Casual 10.9%, Relaxing 8.8%
Why You'll Like It: A sandbox game centered on the growth and evolution of celestial bodies through absorption.
- #11 Cell to Singularity - Evolution Never Ends
89% matchVery Positive90% of 26,928 reviews2021
Dev: Computer Lunch
Windows · Mac
Median: 5.5 hrsMean: 82.9 hrs≥1hr: 79%
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.
Why similar: Science 42.8%, Simulation 24.1%, Space 11.3%, Casual 9.9%, Sandbox 5%
Why You'll Like It: An idle-based game that focuses on the grand scale of biological and technological evolution.
- #12 Sparkle 2 Evo
90% matchMostly Positive74% of 2,103 reviews2013
Pub: Forever Entertainment S. A.
Windows · Mac · Linux
Median: 2.9 hrsMean: 3.9 hrs≥1hr: 82%
Control the evolution with the touch of your finger. Can you grow the biggest Sparkle in the world?
Why similar: Simulation 19.9%, Casual 13.2%, Relaxing 12.5%, Strategy 11.4%, Action 11%
Why You'll Like It: Directly mirrors the evolutionary growth theme by allowing you to evolve your creature through various stages.
- #13 Growth
89% matchVery Positive90% of 321 reviews2023
Dev: VoodooDuckPub: Assemble Entertainment
Windows
Median: 2.3 hrsMean: 6.4 hrs≥1hr: 64%
Growth is a cozy, hexagonal-grid based soft-strategy game. Explore and populate a procedurally generated world by utilizing unique abilities of animals. Growth blends the beauty of cozy exploration with challenging navigation around obstacles.
Why similar: Strategy 32.7%, Simulation 27.7%, Relaxing 14.9%, Casual 11.6%, Exploration 9%
Why You'll Like It: A relaxing, puzzle-oriented strategy game focused on expanding your territory across a map.
- #14 WorldBox - God Simulator
87% matchOverwhelmingly Positive95% of 54,299 reviews2021
Dev: Maxim Karpenko
Windows · Mac · Linux
Median: 9.1 hrsMean: 29.3 hrs≥1hr: 92%
WorldBox is the ULTIMATE god simulator and sandbox game. A petri dish for your fantasy civilizations. Create your own world or destroy it using many powers. Watch civilizations grow, form kingdoms, colonize new lands, sail to far continents, wars to ignite, empires to fall and towns to burn!
Why similar: Sandbox 33.8%, Simulation 29%, Building 19.8%, Relaxing 10.3%, Indie 7.1%
Why You'll Like It: Offers a sandbox environment where you can manage the evolution and expansion of civilizations and ecosystems.
- #15 Plague Inc: Evolved
88% matchVery Positive94% of 62,039 reviews2016
Dev: Ndemic Creations
Windows · Mac · Linux
Median: 5.1 hrsMean: 16.9 hrs≥1hr: 89%
Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself.
Why similar: Strategy 45.9%, Simulation 33.1%, Indie 8.5%, Casual 6.5%, Sandbox 4.1%
Why You'll Like It: A biological strategy game that requires careful evolution and expansion to succeed.
- #16 Creeper World 3: Arc Eternal
86% matchOverwhelmingly Positive96% of 4,794 reviews2014
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 7.4 hrsMean: 78.4 hrs≥1hr: 78%
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
Why similar: Strategy 37.2%, RTS 24.4%, Sci-fi 12.7%, Simulation 10.3%, Indie 7.9%
Why You'll Like It: Features strategic expansion against a fluid-like, encroaching enemy that feels similar to managing hive borders.
- #17 Intelligent Design: An Evolutionary Sandbox
86% matchMixed45% of 148 reviews2017
Dev: Pill Bug Interactive
Windows · Mac · Linux
Median: 24 minMean: 3.2 hrs≥1hr: 26%
A toy ecosystem with fully simulated genetics and evolution. Will you tinker with DNA or sit back, relax, and see if life finds a way?
Why similar: Science 31.6%, Sandbox 17.4%, Strategy 16.1%, Simulation 14%, Relaxing 9.7%
Why You'll Like It: Allows for the management of evolutionary processes in a sandbox environment.
- #18 Lazy Galaxy 2
84% matchMostly Positive79% of 193 reviews2022
Dev: Coldwild Games
Windows · Mac · Linux
Median: 10.3 hrsMean: 176.7 hrs≥1hr: 88%
Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!
Why similar: RTS 19.6%, Strategy 14.8%, RPG 13.9%, Aliens 12.3%, Space 12.2%
Why You'll Like It: Combines strategy with idle growth mechanics, providing a similar sense of progression.
- #19 Starport Delta
85% matchMostly Positive72% of 75 reviews2020
Dev: Cloudfire Studios
Windows
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Why similar: Strategy 21.4%, Simulation 19%, Real-Time 10.9% ★, RTS 9%, Indie 8%
Why You'll Like It: Offers strategic space expansion and management that aligns with the hive-protection mechanics.
- #20 Darwinia
84% matchVery Positive80% of 1,126 reviews2005
Dev: Introversion Software
Windows · Mac · Linux
Median: 12 minMean: 2.2 hrs≥1hr: 24%
Darwinia blends real-time strategy, action, and puzzles with a unique gesture-based control system. Save the Darwinians, battle viruses, and restore order in a retro-inspired digital world. Winner of multiple prestigious awards, including the Seumas McNally Grand Prize at IGF 2006.
Why similar: RTS 28.1%, Real Time Tactics 26.3%, Strategy 21.1%, Sci-fi 13.2%, Indie 11.3%
Why You'll Like It: A retro-styled strategy game that incorporates themes of digital evolution and tactical environment control.
- #21 Astrox Imperium
81% matchVery Positive85% of 1,220 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 34.4%, Simulation 24.8%, Sandbox 16.8%, Sci-fi 9.8%, Indie 8.5%
Why You'll Like It: A deep space simulation that involves significant expansion and strategic growth.
- #22 Evertown
83% matchMostly Negative39% of 118 reviews2016
Dev: cg-imagine
Windows
Evertown is a RTS (real-time strategy) game with some survival elements. The goal is to raise your town to make it safe (the longest you can).
Why similar: Strategy 24.1%, RPG 19%, Simulation 17.5%, Casual 10.3%, Adventure 10%
Why You'll Like It: A casual strategy and simulation game that focuses on building and managing a growing population.
- #23 Planetoid
82% matchMixed53% of 107 reviews2017
Dev: GameWriterStudioPub: Conglomerate 5
Windows
Median: 3.4 hrsMean: 4.4 hrs≥1hr: 98%
Planetoid is a physics based building game in which you construct facilities and protect humanoids on the planetoid. Build a facilities which can defeat the enemies on your way.
Why similar: Strategy 20.4%, Indie 15.8%, Space 13.7%, Building 11.6%, Adventure 10.5%
Why You'll Like It: A space-based strategy game with tactical movement that feels familiar to the seed game's combat.
- #24 Satellite Command
82% matchMixed64% of 81 reviews2016
Dev: Stormtide
Windows
Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!
Why similar: Science 22.2%, Simulation 14%, Space 13.9%, Strategy 11.9%, Sandbox 11.9%
Why You'll Like It: A strategic simulation focused on space-based movement and resource management.
- #25 Reus
80% matchMostly Positive78% of 5,905 reviews2013
Dev: Abbey Games
Windows · Mac · Linux
Median: 2.3 hrsMean: 5.6 hrs≥1hr: 83%
In Reus, you control powerful giants to shape the planet to your will. You can create mountains, oceans, forests and more. Enrich your planet with plants, minerals and animal life. There is only one thing on the planet that you do not control: mankind, with all their virtues and and all their vices.
Why similar: Strategy 37.3%, Simulation 21.9%, Sandbox 16.9%, Indie 13.2%, Casual 8.1%
Why You'll Like It: A god-game that focuses on ecosystem development and the strategic management of natural resources.
- #26 Flower
79% matchMostly Positive80% of 4,992 reviews2019
Dev: thatgamecompanyPub: Annapurna Interactive
Windows
Median: 2.1 hrsMean: 4.9 hrs≥1hr: 71%
Experience award-winning Flower, now available on PC. Flower lets you take control of the wind as you explore and navigate beautiful, lush environments.
Why similar: Relaxing 22.5%, Casual 16.9%, Adventure 16.6%, Atmospheric 12.1%, Exploration 11.2%
Why You'll Like It: Matches the relaxing, atmospheric, and organic feel of the seed game's visual presentation.
- #27 Objects in Space
81% matchMixed52% of 614 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: Simulation 19.7%, Strategy 18.3%, RPG 17.6%, Space 14.2%, Action 9.5%
Why You'll Like It: A strategic space simulation that emphasizes careful planning and navigation.
- #28 Bio Inc. Redemption
78% matchVery Positive87% of 3,086 reviews2018
Dev: DryGin Studios
Windows
Median: 2.4 hrsMean: 5.9 hrs≥1hr: 73%
Bio Inc.: Redemption is a realistic simulation and strategy game in which you make life or death decisions. Create a deadly illness to infect and torment your victim or play as the head of a medical team and hopefully find a cure to save your human patient. Will you be the plague or preserve humanity?
Why similar: RTS 23.3%, Strategy 23.1%, Simulation 21.2%, Sandbox 17.7%, Atmospheric 7.4%
Why You'll Like It: A biological strategy game focused on the management and evolution of complex systems.
- #29 Weird Worlds: Return to Infinite Space
79% matchMixed66% of 621 reviews2013
Dev: Digital Eel
Windows · Mac · Linux
Median: 6 minMean: 1.7 hrs≥1hr: 18%
Weird Worlds: Return to Infinite Space is a hybrid roguelike game of space exploration, adventure and starship combat.
Why similar: Strategy 32.1%, Casual 15.7%, Adventure 14.4%, Indie 14.1%, Space 10.5%
Why You'll Like It: Provides a space exploration and strategy experience with a focus on quick, tactical decisions.
- #30 Drifter Star: Evolution
75% matchMostly Positive74% of 937 reviews2025
Dev: Kayla StudioPub: Happy Kayla
Windows
Median: 1.2 hrsMean: 1.6 hrs≥1hr: 58%
From stardust to cosmic sovereign! In this unique space game, evolve by devouring everything. Grow from a tiny rock into a massive galaxy. Each swallow brings growth, each evolution brings victory. Unlock the universe's ultimate secrets!
Why similar: Space 20.3%, Strategy 16.5%, RPG 13.5%, Physics 13.4%, Casual 9.7%
- #31 Inspiral: Echoes of Gravity
75% 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: Space 16.1%, Simulation 14.4%, Strategy 12.1%, Sandbox 11.1%, Physics 11.1%
- #32 From Dust
78% matchMixed67% of 2,953 reviews2011
Dev: Ubisoft MontpellierPub: Ubisoft
Windows
Median: 2.0 hrsMean: 4.6 hrs≥1hr: 67%
Immerse yourself in a world as exotically beautiful as it is dangerous in this modern God-Game where Nature is the Star!
Why similar: Simulation 32.4%, Strategy 22.6%, Sandbox 19.7%, Adventure 12%, Building 10.6%
Why You'll Like It: Focuses on environmental manipulation and the expansion of a tribe, sharing the god-game feel.
- #33 Orbitmine
73% matchVery Positive84% of 353 reviews2026
Dev: vibemaker1
Windows
Orbit a planet, fire your laser, and mine it to the core. Upgrade your ship and conquer seasonal hazards across four unique zones. A satisfying incremental mining game set in space.
Why similar: Space 23.5%, Strategy 20.7%, Sci-fi 19.8%, Casual 11%, Simulation 9.1%
- #34 Mind Maze
77% matchMostly Positive78% of 90 reviews2017
Dev: Satur Entertainment
Windows
Median: 48 minMean: 12.2 hrs≥1hr: 46%
MIND MAZE - is a logical competitive game based on capturing of the playing field.
Why similar: RTS 19.7%, Space 15.9%, Strategy 14.3%, Simulation 11.6%, Casual 8.8%
- #35 Celestial Command
77% matchMixed63% of 698 reviews2014
Dev: Romenics
Windows · Mac · Linux
Median: 1.5 hrsMean: 6.3 hrs≥1hr: 62%
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Why similar: Space 18.5%, Simulation 16.8%, Strategy 13%, RPG 10.4%, Sandbox 10%
- #36 Terra Firma 2
73% matchVery Positive92% of 142 reviews2025
Dev: Working as Intended
Windows
Shape breathtaking worlds in Terra Firma 2, a vast simulation where your creations evolve through the forces of nature. Sculpt the land, then watch as weather, erosion, and life itself transform your world into a dynamic, living ecosystem- right down to every plant and creature.
Why similar: Science 16.6%, Simulation 16%, Sandbox 13.6%, Strategy 11.6%, Physics 11%
- #37 Discovering Space 2
76% matchMostly Positive72% of 90 reviews2017
Dev: Discovering VR
Windows
Discovering Space 2 is all about exploration. There’s no action, shooting or explosions, just sightseeing, discovery and relaxation on an epic scale.Calming, wondrous and adventurous.
Why similar: Simulation 50.9%, Casual 28.7%, Indie 20.5%
- #38 Epic Astro Story
74% matchVery Positive87% of 55 reviews2022
Dev: Kairosoft Co.,Ltd
Windows
Battle baddies and foster interplanetary diplomacy in an epic space colony sim!
Why similar: RPG 28%, Simulation 26.8%, Casual 14.2%, Sci-fi 8.5%, Exploration 7%
- #39 shapez 2 - Factory
69% matchOverwhelmingly Positive97% of 14,303 reviews2026
Dev: tobspr Games
Windows · Mac · Linux
Median: 7.0 hrsMean: 29.5 hrs≥1hr: 83%
Dive into a factory-building game with the focus on just that – building huge space factories! Design sprawling multi-level factories and satisfying production lines without limits. Tackle progressively challenging automation goals at your own pace, without the threat of enemies.
Why similar: Strategy 19.8%, Simulation 17%, Building 16.9%, Sandbox 14.9%, Sci-fi 11.7%
- #40 Prospector
73% 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: Building 14.5%, Space 14.3%, RPG 14.1%, Sandbox 14%, Strategy 13.4%
- #41 Reus 2
71% 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: Strategy 26.6%, Sandbox 18.8%, Simulation 18.5%, Building 13.6%, Relaxing 12.7%
- #42 Feed the Reactor
71% matchVery Positive82% of 507 reviews2026
Dev: Adam Travers
Windows
Median: 3.6 hrsMean: 6.0 hrs≥1hr: 94%
An incremental unfolding game about feeding fuel into a reactor. Combine elements to produce energy, unlock exotic technologies and explore a strange galaxy.
Why similar: Strategy 40.2%, Simulation 25.1%, Casual 15.1%, Relaxing 11.5%, Sci-fi 8.1%
- #43 Phantom Signal — Sci-Fi Strategy Game
74% matchVery Positive85% of 156 reviews2018
Dev: Veslo Games
Windows · Mac · Linux
Median: 4.6 hrsMean: 5.9 hrs≥1hr: 94%
Phantom Signal is a real-time sci-fi strategy game with unusual mechanics. Explore mysterious star systems and reveal the secret of the phantom signal.
Why similar: Strategy 31.7%, Simulation 16.6%, Space 16.4%, Sci-fi 11.1%, Casual 10.5%
- #44 Habitat
76% matchMostly Negative40% of 261 reviews2016
Dev: 4gencyPub: Versus Evil
Windows · Mac · Linux
Median: 3.1 hrsMean: 3.9 hrs≥1hr: 85%
Habitat is a physics-based space game where you build, fly, and fight with whatever you can find out in space. Upgrade and arm your creations with weapons and structures you find in orbit, fly and explore using rocket physics.Battle deadly enemies in Campaign Mode to save humanity or explore Sandbox Mode for true creative control.
Why similar: Strategy 22.7%, Space 21%, Simulation 18.3%, Sandbox 11.1%, Action 9.6%
- #45 ReFactory
72% matchMostly Positive78% of 91 reviews2022
Dev: AIVIK LLCPub: BIVAK LLC
Windows
Build, explore, fight! ReFactory is a 2D strategy game with a focus on construction and logistics where you build an automated mega-factory on an alien planet.
Why similar: Strategy 35.4%, Simulation 30.9%, Casual 13.2%, Sandbox 11.7%, Indie 8.7%
- #46 Astro Colony
70% 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: Space 17.9%, Strategy 15.1%, Simulation 14.8%, Building 12.8%, Sandbox 10.2%
- #47 Space Engineers 2
69% matchMostly Positive76% of 4,590 reviews2025
Dev: Keen Software House
Windows
Median: 1.4 hrsMean: 7.9 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: Science 17.5%, Space 12.4%, Building 11.6%, Sandbox 11%, Simulation 10.9%
- #48 Lazy Galaxy
72% matchMostly Positive79% of 204 reviews2018
Dev: Coldwild Games
Windows · Mac · Linux
Median: 3.4 hrsMean: 19.6 hrs≥1hr: 93%
Lazy Galaxy is a mix between RTS and idle/clicker game. Lead an evil (albeit lazy) alien race to conquer the universe!
Why similar: Strategy 24.5%, RTS 13.6%, Space 12.8%, Science 12.6%, Real Time Tactics 12.2%
- #49 Ecosystem
68% matchMostly Positive77% of 610 reviews2024
Dev: Tom JohnsonPub: Slug Disco
Windows
Create virtual lifeforms whose development is shaped by a deep simulation of evolution. Guide them as they fight, mate, and adapt to the environment you have built. All the creatures in the trailer evolved on their own in the game!
Why similar: Science 28%, Simulation 18.2%, Strategy 16.6%, Sandbox 15.5%, Sci-fi 12.5%
- #50 XenoHaven
67% 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: Sandbox 14.5%, RPG 13.3%, Building 12.2%, Simulation 11.6%, Space 9.9%
- #51 Universe Sandbox
68% 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: Science 18.9%, Simulation 14.5%, Space 14.5%, Sandbox 12.9%, Physics 9.6%
- #52 waxweaver
66% matchOverwhelmingly Positive96% of 549 reviews2025
Dev: kaiakairos
Windows
A short sandbox rpg game that takes place on a square planet. Explore the world, gather resources, build a home and become stronger.
Why similar: Sandbox 26.7%, Space 22.5%, Relaxing 17.2%, Casual 13.8%, Exploration 12.4%
- #53 The Hive
71% matchMostly Positive72% of 426 reviews2016
Dev: Skydome Entertainment
Windows · Mac · Linux
Median: 3.4 hrsMean: 4.1 hrs≥1hr: 90%
The Hive is a strategy game with RPG elements where you assume command as the insectoid hivemind. Build and expand your underground colony, harvest resources, and evolve your swarm using DNA. Will you survive in this hostile yet beautiful underworld?
Why similar: Aliens 29.4%, RTS 29.2%, Real Time Tactics 17.8%, Strategy 16.8%, Indie 3.9%
- #54 Reassembly
68% matchVery Positive94% of 4,070 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: Space 21.4%, Building 20.6%, Strategy 16.2%, Sandbox 16.2%, Action 7.2%
- #55 Planetary Life
64% matchVery Positive94% of 821 reviews2025
Dev: Sotenbox
Windows
Median: 3.5 hrsMean: 8.2 hrs≥1hr: 86%
Manipulate climate, add plants and evolve creatures in this planet and life sandbox simulation game. From cells to civilizations, spread life throughout the whole planet. Or just enjoy watching your creation burn!
Why similar: Science 35%, Simulation 20%, Sandbox 18.5%, Relaxing 11.6%, Space 10.8%
- #56 Space for Sale
67% matchMixed57% of 165 reviews2025
Dev: Mirage Game Studios
Windows
Space for Sale is an interplanetary, top-down Space Realty management game with a focus on problem-solving and exploration. Played either solo or with a friend, it's up to you to transform wild, uninhabited lands into bustling communities!
Why similar: Strategy 20.1%, Aliens 19.4%, Simulation 18.6%, Sandbox 15.2%, Building 13.4%
- #57 Star Nomad 2
70% matchMostly Positive72% of 158 reviews2015
Dev: Huy Phan
Windows · Mac
A space trader & combat sim meets squad-RPG, large scale conquest, choice driven gameplay with fluid & punchy tactical real-time combat set in a dynamic open-world sandbox.
Why similar: RPG 21.4%, Simulation 19.1%, Space 18.1%, Strategy 17.5%, Sandbox 9.6%
- #58 HYPERNOVA: Escape from Hadea
69% matchVery Positive80% of 82 reviews2017
Dev: ActaLogic
Windows · Mac · Linux
A colorful but challenging blend of classic RTS and tower defense. Build, expand, research, and defend your alien colony as you race to construct a teleportation device and escape a dying star.
Why similar: Real-Time 35.4% ★, RTS 16.8%, Strategy 12.7%, Aliens 7.8%, Sci-fi 6.6%
- #59 Before We Leave
67% matchMostly Positive78% of 1,706 reviews2021
Dev: Balancing Monkey GamesPub: Team17
Windows · Mac
Median: 3.5 hrsMean: 6.0 hrs≥1hr: 84%
Before We Leave is a city building game set in a cozy corner of the universe. Nurture your Peeps and their surroundings while rebuilding and rediscovering civilisation. Settle new lands and planets while avoiding hungry Space Whales.
Why similar: Space 14.8%, Building 13.6%, Simulation 12.8%, Strategy 12.6%, Sandbox 10.6%
- #60 Minesweeper Collector 2
66% matchVery Positive88% of 94 reviews2024
Dev: Anton Kryukov
Windows
Big minesweeper game with a storyline and a variety of minesweeper-based mechanics. Each level affects the game world and advances you through the storyline. You will discover collections, crafting, level chains, hexagons, fishing, runes and you can even build up your own level in the editor!
Why similar: Strategy 36.9%, Relaxing 18.4%, Adventure 18.2%, Casual 16.9%, Exploration 9.6%