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Games Like Heliopedia

60+ similar titles based on shared tags and player behavior. Themes include Simulation, Sandbox, God Game, Casual.

Heliopedia header art

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!

Reviews: Very Positive — 88% — of 214 reviews
Released: 2021-10-12
Developer: Sokpop Collective
Genres: Indie, Simulation
Platforms: Windows, Mac
Median playtime: 1.1 hrs
Mean playtime: 5.0 hrs
Players ≥ 1 hr: 50%

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  1. #1 helionaut
    97% matchVery Positive95% of 226 reviews2020
    Dev: Sokpop Collective
    Windows · Mac

    An open-world galaxy adventure game ✨🚀🌠 Explore a procedurally-generated universe filled with diverse micro-planets, asteroid belts and UFOs. 👽

    Why similar: Space 30.2%, Simulation 20.2%, Crafting 19%, Cute 11.1%, Colorful 10.6%

  2. #2 Universe Sandbox
    96% matchOverwhelmingly Positive96% of 32,034 reviews2015
    Dev: Giant Army
    Windows · Mac
    Median: 2.4 hrsMean: 24.4 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 27.8%, God Game 21.1%, Sandbox 16.3%, Space 14.7%, Simulation 7.6%

  3. #3 Planetary Life
    96% matchVery Positive94% of 919 reviews2025
    Dev: Sotenbox
    Windows
    Median: 3.5 hrsMean: 8.3 hrs≥1hr: 88%

    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: God Game 41.7%, Sandbox 15.7%, Nature 8%, Space 7.2%, Simulation 7%

  4. #4 Equilinox
    95% matchVery Positive92% of 3,020 reviews2018
    Dev: ThinMatrix
    Windows · Mac · Linux
    Median: 1.8 hrsMean: 6.9 hrs≥1hr: 61%

    Equilinox is a relaxing nature simulation game in which you can create and nurture your own ecosystems. Shape the world to your liking, cultivate and raise hundreds of different species, and evolve your wildlife to unlock more exotic plants and animals.

    Why similar: God Game 37.6%, Sandbox 26.9%, Simulation 16.6%, Nature 9.9%, Atmospheric 3.5%

  5. #5 SPORE™
    94% matchVery Positive93% of 72,544 reviews2008
    Dev: Maxis™Pub: Electronic Arts
    Windows
    Median: 5.1 hrsMean: 19.4 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 38.3%, Sandbox 14.3%, Space 13.2%, Simulation 6.5%, Exploration 6.2%

  6. #6 Birthdays the Beginning
    94% matchMixed64% of 986 reviews2017
    Dev: Arc System WorksPub: NIS America, Inc.
    Windows
    Median: 4.5 hrsMean: 6.8 hrs≥1hr: 88%

    The origins of the world are yours to decide in this engaging and open-ended builder experience! Shape the geography, control the temperature, and give rise to diverse lifeforms. Witness the birth of an entirely new ecosystem, made with your very own hands!

    Why similar: God Game 60.1%, Sandbox 22.5%, Simulation 12.6%, Cute 4.7%

  7. #7 Inspiral: Echoes of Gravity
    92% matchMostly Positive74% of 66 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 29.1%, Space Sim 24.6%, Space 14.3%, Sandbox 12.4%, Simulation 6.6%

  8. #8 Solar 2
    93% matchVery Positive91% of 2,228 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 25.5%, God Game 24.3%, Sandbox 19.5%, Space Sim 18.3%, Simulation 6.4%

  9. #9 Hideko
    91% matchVery Positive98% of 106 reviews2024
    Dev: Sokpop Collective
    Windows · Mac

    A short mystery game about nature. ☀️☁️🍃 Explore the rules of a small sandbox world 🔎 Combine elements to create new forms of life! ❤️

    Why similar: God Game 40.8%, Creature Collector 20.9%, Incremental 14.5%, Nature 8.2%, Exploration 4.9%

  10. #10 Terra Firma 2
    90% matchVery Positive92% of 191 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: God Game 45.6%, Sandbox 19.1%, Simulation 9.3%, Building 8.4%, Nature 8.2%

  11. #11 Space for Sale
    91% matchMixed56% of 166 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: Space Sim 31%, Sandbox 15.2%, Building 9.3%, Simulation 7.8%, Exploration 6.4%

  12. #12 The Universim
    89% matchMostly Positive80% of 10,640 reviews2024
    Dev: Crytivo
    Windows · Mac · Linux
    Median: 7.3 hrsMean: 34.0 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 46.4%, Sandbox 16.4%, Building 11.9%, Space 11.6%, Simulation 5.5%

  13. #13 ASTRONEER
    88% 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: Space 27.6%, Sandbox 20.8%, Building 13%, Crafting 12.2%, Exploration 10.9%

  14. #14 Sandboxels
    86% matchVery Positive95% of 1,125 reviews2025
    Dev: R74n
    Windows · Mac
    Median: 1.9 hrsMean: 3.9 hrs≥1hr: 63%

    Falling-sand sandbox game with 500+ elements, chemistry, fire, life, food, and anything you can imagine.

    Why similar: God Game 42.7%, Sandbox 19%, Building 11%, Crafting 10.1%, Nature 9%

  15. #15 SPORE™ Galactic Adventures
    87% matchVery Positive89% of 7,752 reviews2009
    Dev: EA - MaxisPub: Electronic Arts
    Windows
    Median: 3.5 hrsMean: 36.8 hrs≥1hr: 67%

    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 28.2%, Space 21.1%, Sandbox 17%, Simulation 14%, Exploration 8.4%

  16. #16 Solar Expanse - Space Exploration Manager
    84% matchVery Positive88% of 1,295 reviews2026
    Dev: SpaceOpsPub: Games Operators
    Windows
    Median: 4.8 hrsMean: 14.7 hrs≥1hr: 77%

    Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.

    Why similar: Space Sim 29.9%, Space 18.3%, Sandbox 17.2%, Simulation 8.2%, Building 6.7%

  17. #17 Atlas Architect
    85% matchMostly Positive71% of 226 reviews2021
    Dev: Danial RashidiPub: Rashidi Interactive
    Windows

    A creative game where your imagination is your limit.

    Why similar: God Game 29.9%, Sandbox 17%, Building 13.2%, Exploration 7.7%, Simulation 7.2%

  18. #18 Awe
    86% matchMostly Positive71% of 258 reviews2015
    Dev: Badland Development StudioPub: BadLand Publishing
    Windows · Mac
    Median: 3.2 hrsMean: 5.5 hrs≥1hr: 88%

    Awe is a god-game about expressing one’s creativity by shaping and building planets’ ecosystems in a soothing and relaxing ambiance carried by beautiful, minimalist lowpoly 3D art style and atmospheric music.

    Why similar: God Game 62.3%, Building 11.1%, Simulation 10%, Colorful 9.6%, Atmospheric 6.9%

  19. #19 Marble World
    83% matchVery Positive89% of 1,333 reviews2022
    Dev: Vector Interactive
    Windows
    Median: 3.7 hrsMean: 6.2 hrs≥1hr: 82%

    Marble World is a physics sandbox simulator with marbles. Create your own marble races, runs and machines. Customize a variety of tracks, decorations and marbles to create a beautiful world.

    Why similar: God Game 43.5%, Sandbox 19.4%, Building 10.5%, Simulation 7.2%, Family Friendly 5.1%

  20. #20 Vilmonic
    84% matchMostly Positive72% of 86 reviews2018
    Dev: Bludgeonsoft
    Windows · Mac · Linux

    Vilmonic is an artificial life simulator and genetics and evolution sandbox game. Protect and breed unique pixel-art life forms where pixels and color have meaning. Craft tools and buildings and change the environment. Find ancient tech and fend off haywire zombitons. Craft Farm Breed Evolve!

    Why similar: God Game 32.3%, Creature Collector 18.6%, Sandbox 13.1%, Crafting 9.2%, Nature 7.5%

  21. #21 Plentiful
    81% matchVery Positive93% of 89 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 44.2%, Sandbox 19.3%, Nature 10.2%, Simulation 7.4%, Building 5.4%

  22. #22 Kselebox
    82% matchMostly Positive75% of 68 reviews2021
    Dev: KseLeroNPub: ONRI Studio
    Windows

    Kselebox is a sandbox game, which means you can do whatever you want in it! You can build a rocket and go to explore the vastness of space. Or maybe you want to build a huge car? No problem! Players can save their buildings and then publish them to the Steam Workshop.

    Why similar: God Game 41.9%, Sandbox 19.6%, Simulation 9.3%, Stylized 8%, Cute 6.5%

  23. #23 Plan B: Terraform
    79% matchVery Positive91% of 3,595 reviews2025
    Dev: Gaddy Games
    Windows
    Median: 4.4 hrsMean: 11.2 hrs≥1hr: 81%

    Terraform a lifeless rock into a lush and habitable world. Build trucks, trains, and sprawling factories on an enormous hexagonal planet. Grow its population to millions. Enjoy a dynamic simulation of atmosphere, temperature, water, and forests.

    Why similar: Sandbox 29.1%, Building 16%, Crafting 15.8%, Simulation 14.1%, Colorful 10.5%

  24. #24 OddFauna : Secret of the Terrabeast
    79% matchVery Positive91% of 76 reviews2026
    Dev: North Channel
    Windows

    Grow the TerraBeast you live on from a tiny patch of land into a whimsical world! In this fully hand-sculpted, playful systemic sandbox, you'll explore vibrant biomes, farm, craft, build, and befriend the wild OddFauna to create a thriving ecosystem.

    Why similar: Creature Collector 32.9%, Sandbox 18.2%, Crafting 11.2%, Nature 10%, Family Friendly 7.3%

  25. #25 Doodle God
    82% matchMostly Positive75% of 1,552 reviews2015
    Dev: JoyBits Ltd.
    Windows · Mac · Linux
    Median: 3.4 hrsMean: 5.2 hrs≥1hr: 90%

    Doodle God is an addicting puzzle & world building game where players use logic and ingenuity to create the entire universe. Starting with the basic elements of earth, wind, fire and air players can build a world filled with locomotives, Dragons, skyscrapers, Aliens and more.

    Why similar: God Game 55.6%, Sandbox 14.8%, Crafting 11.7%, Simulation 8.8%, Funny 4.8%

  26. #26 Terra Firma
    78% matchVery Positive94% of 603 reviews2025
    Dev: Working as Intended
    Windows

    Play god and create your own world in this complex simulation. Plate tectonics, wind and water erosion and plant life all develop and interact to produce a world that is viewable from a single tree to kilometres across.

    Why similar: God Game 53.7%, Sandbox 19%, Simulation 15%, Nature 8.1%, 3D 4.2%

  27. #27 Tiny Space Academy
    80% matchMixed64% of 55 reviews2021
    Dev: Full Orbit Games LLC
    Windows · Mac

    Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.

    Why similar: Space Sim 36.1%, Space 20.4%, Building 12.4%, Simulation 10.7%, Crafting 8.8%

  28. #28 The Space Garden
    81% matchMixed42% of 50 reviews2016
    Dev: MaxPub: Max Indie Games
    Windows
    Median: 4.0 hrsMean: 4.9 hrs≥1hr: 98%

    In "The Space Garden" you can build your own garden across the Universe! Discover, acquire and grow your plants with love as you watch them evolve. Collect fruits by yourself or request help from your "helpers", a race of mini friends who come from nature.

    Why similar: Incremental 23.5%, Space 20.7%, Sandbox 15.2%, Building 11.3%, Simulation 7.1%

  29. #29 Spaceflight Simulator
    76% 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: Space Sim 36.2%, Sandbox 18.6%, Space 16.4%, Simulation 7.5%, Exploration 6.5%

  30. #30 Epic Astro Story
    78% matchVery Positive88% of 59 reviews2022
    Dev: Kairosoft Co.,Ltd
    Windows

    Battle baddies and foster interplanetary diplomacy in an epic space colony sim!

    Why similar: Space Sim 51.1%, Simulation 16.2%, Exploration 9.2%, Space 7.7%, Cute 7.7%

  31. #31 Creature Crafter
    77% matchVery Positive87% of 841 reviews2022
    Dev: Daniel Lochner
    Windows · Mac · Linux
    Median: 1.0 hrsMean: 36.1 hrs≥1hr: 51%

    Create your own creatures to explore online worlds with friends and collect new parts to upgrade your stats and abilities! Complete quests, battle enemies, challenge friends to minigames, or just have fun roleplaying — the possibilities are endless when your imagination is the limit!

    Why similar: God Game 43.4%, Creature Collector 27.6%, Sandbox 16.3%, Simulation 7.1%, Exploration 5.6%

  32. #32 Garden Galaxy
    75% matchOverwhelmingly Positive97% of 2,653 reviews2022
    Dev: Anneka Tran
    Windows
    Median: 10.0 hrsMean: 22.6 hrs≥1hr: 84%

    Discover, collect and organise to create your own unique garden in this relaxing idle / creative sandbox!

    Why similar: Sandbox 22.6%, Incremental 14.5%, Building 14.4%, Nature 12%, Cute 9.7%

  33. #33 Reus 2
    74% matchVery Positive94% of 2,295 reviews2024
    Dev: Abbey GamesPub: Firesquid
    Windows
    Median: 3.4 hrsMean: 10.0 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 55.7%, Sandbox 15.4%, Nature 8.4%, Building 7.8%, Simulation 6.2%

  34. #34 dino game
    77% matchVery Positive90% of 89 reviews2020
    Dev: Sokpop Collective
    Windows · Mac

    You fell from your UFO... How do you get back? Explore a foreign and friendly world inhabited by geysers, tall trees and dinosaurs. Learn its rules and systems and craft your way back to your spaceship!

    Why similar: Crafting 45.6%, Cute 28.9%, Colorful 25.5%

  35. #35 Clean the Sea!
    76% matchMostly Positive77% of 96 reviews2024
    Dev: Backpack Games
    Windows · Mac

    Make the planet beautiful!

    Why similar: Sandbox 33.6%, Nature 18.8%, Exploration 15.6%, Cute 10.1%, Simulation 8.1%

  36. #36 Sunshine Heavy Industries
    75% matchVery Positive99% of 432 reviews2021
    Dev: Rocket Rat Games
    Windows

    Welcome to Sunshine Heavy Industries! As the new spaceship engineer, solve increasingly tricky design puzzles with your own personal style. Manage customer demands, juggle budget and ship performance, and survive the questionable decision making skills of your business partner.

    Why similar: Sandbox 24%, Space 23.8%, Building 17.4%, Funny 9.1%, Simulation 8.8%

  37. #37 WorldBox - God Simulator
    72% matchOverwhelmingly Positive95% of 56,385 reviews2021
    Dev: Maxim Karpenko
    Windows · Mac · Linux
    Median: 9.2 hrsMean: 29.6 hrs≥1hr: 91%

    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: God Game 56.6%, Sandbox 23.6%, Building 9.5%, Simulation 8.5%, Atmospheric 1.8%

  38. #38 Thrive
    73% matchVery Positive92% of 1,731 reviews2021
    Dev: Revolutionary Games Studio
    Windows · Mac · Linux
    Median: 2.1 hrsMean: 6.1 hrs≥1hr: 66%

    An evolution simulation game. Take control of your species in the environment and edit your species as a whole. Compete with other evolving species for resources on an alien planet.

    Why similar: Sandbox 40.9%, Simulation 22.2%, Nature 19.2%, Family Friendly 9.5%, 3D 8.3%

  39. #39 Juno: New Origins
    72% matchVery Positive89% of 3,531 reviews2023
    Dev: Jundroo, LLC
    Windows · Mac
    Median: 1.1 hrsMean: 13.6 hrs≥1hr: 51%

    Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.

    Why similar: Space Sim 39.5%, Sandbox 16.3%, Space 15.5%, Building 15%, Simulation 6.9%

  40. #40 Planetary Planter
    74% matchVery Positive87% of 52 reviews2022
    Dev: Odd Gryphon EntertainmentPub: Earthbreak Games LLC
    Windows

    Planetary Planter is an open-world farming game where, instead of farming normal plants, you grow celestial bodies while exploring an alien world.

    Why similar: Simulation 26.2%, Exploration 15%, Crafting 14.8%, Cute 11.1%, Nature 10.8%

  41. #41 Cozyrama
    71% matchVery Positive90% of 84 reviews2025
    Dev: Sandwich Games 🥪Pub: Frozen District
    Windows

    Cozyrama is a peaceful sandbox where you shape your own magical dioramas. Sculpt it, pick the right colors, decorate with hundreds of items and add cute animals. Observe a cozy world grow around you! No pressure or timers. Just relax, unwind, and let your imagination bloom!

    Why similar: Sandbox 22.5%, Building 16.3%, Nature 11.9%, Stylized 8.3%, Cute 8%

  42. #42 Surviving Ceres
    70% matchVery Positive87% of 139 reviews2025
    Dev: Ryan SaundersPub: One Man Media
    Windows

    Explore a handcrafted survival game with an emphasis on crafting and base building. Export manufactured goods to earn funding, manage colonists, defend against hostile aliens, and work towards terraforming Ceres from a frozen ball of ice to a tropical paradise.

    Why similar: Building 25.3%, Crafting 24.9%, Simulation 18.1%, Exploration 11.3%, Sci-fi 6.6%

  43. #43 Eden Crafters
    68% matchVery Positive85% of 2,630 reviews2026
    Dev: Osaris Games
    Windows
    Median: 4.9 hrsMean: 14.0 hrs≥1hr: 79%

    Eden Crafters is a solo or co-op open-world survival, crafting, and factory-building game where you transform a hostile planet into a habitable haven for humanity. Build, automate, and terraform. Control the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!

    Why similar: Sandbox 25.4%, Crafting 19.6%, Space 19.1%, Building 17.1%, Exploration 8.3%

  44. #44 Deisim
    70% matchVery Positive93% of 909 reviews2022
    Dev: Myron Games
    Windows · Mac
    Median: 2.0 hrsMean: 4.9 hrs≥1hr: 70%

    Live the experience of being a powerful god and create the world to see the growth of mankind.

    Why similar: God Game 51.1%, Sandbox 20.5%, Building 13.7%, Simulation 9.2%, Funny 5.5%

  45. #45 The Planet Crafter
    67% matchOverwhelmingly Positive96% of 73,089 reviews2024
    Dev: Miju Games
    Windows
    Median: 21.7 hrsMean: 38.5 hrs≥1hr: 92%

    A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.

    Why similar: Space 24.1%, Sandbox 21.4%, Building 19.6%, Crafting 18.1%, Exploration 10.6%

  46. #46 Galimulator
    71% matchVery Positive91% of 502 reviews2018
    Dev: Snoddasmannen
    Windows · Mac · Linux
    Median: 1.6 hrsMean: 9.7 hrs≥1hr: 68%

    Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.

    Why similar: God Game 47.1%, Simulation 28.6%, Sandbox 24.3%

  47. #47 Rebots
    69% matchMostly Positive77% of 56 reviews2024
    Dev: FlatPoniesPub: Astra Logical
    Windows

    Rebots is a first-person automation game with an expansive universe to explore. Using intelligent(ish) rebots, you can gather resources, terraform planets, and scan all of the things. Traverse the galaxy in the name of space capitalism!

    Why similar: Space Sim 28.9%, Sandbox 14.8%, Space 14.8%, Crafting 10%, Building 8.6%

  48. #48 The Sandbox Evolution - Craft a 2D Pixel Universe!
    73% matchMixed42% of 1,516 reviews2016
    Dev: PIXOWL INC.
    Windows
    Median: 42 minMean: 3.8 hrs≥1hr: 44%

    Use your godly powers to craft amazing pixel worlds or destroy the universe! Play with physics, over 200 elements and controllable heroes. Make your own games or levels, and then share your creations online. There are no limits to your creativity and imagination!

    Why similar: God Game 44.3%, Sandbox 35.4%, Crafting 10.2%, Simulation 10.1%

  49. #49 Celestial Command
    73% 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 29.5%, Space Sim 23.9%, Sandbox 19.5%, Simulation 13.6%, Building 9%

  50. #50 Creatura
    71% matchMixed67% of 232 reviews2021
    Dev: Koksny.com
    Windows · Linux
    Median: 30 minMean: 7.9 hrs≥1hr: 36%

    Seed, Breed, Create. From single cell organisms to complex ecosystems. Evolve every part of your own unique aquarium / terrarium by applying scientifically accurate principles of natural and artificial selection, in Creatura - ultimate Virtual Evolution Vivarium Simulator.

    Why similar: God Game 32.8%, Creature Collector 25.1%, Sandbox 16.2%, Simulation 8.4%, Nature 7.6%

  51. #51 Fantastic Haven: Prologue
    69% matchMostly Positive75% of 283 reviews2024
    Dev: Piece of Cake FabulousPub: Gamera Games
    Windows

    Save fantasy creatures and protect them until releasing them into their natural habitat. Build your shelter, explore the neighboring region, and encounter a series of events.

    Why similar: Sandbox 23.6%, Simulation 13%, Building 12.3%, Exploration 10%, Colorful 8%

  52. #52 Astrobuilder
    66% matchVery Positive89% of 364 reviews2026
    Dev: wastudio
    Windows

    An AI-driven space management RPG in a living galaxy. Explore 150+ planets and interact with 600+ NPCs whose lives and relationships evolve over time. Trade, run shops, build a Commerce Guild, join Military Factions, govern planets, and command fleets in war. Your every choice reshape the galaxy.

    Why similar: Space 27.6%, Sandbox 22.3%, Building 21.3%, Exploration 10.4%, Simulation 10.1%

  53. #53 Trappist
    68% 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 30.4%, Space Sim 24.2%, Sandbox 11.3%, Space 10.6%, Building 9%

  54. #54 Bugtopia
    65% matchVery Positive93% of 991 reviews2025
    Dev: Nocturnal GamesPub: GCORES PUBLISHING
    Windows
    Median: 11.1 hrsMean: 40.5 hrs≥1hr: 90%

    300+ lifelike bugs to collect and grow—breed them to unlock rare species! Customize your terrarium with 300+ landscaping items and 70+ backgrounds. A tiny, soothing nature escape on your screen!🦋🐌🦗🐝🐞🐛🦐

    Why similar: Creature Collector 38.7%, Incremental 27%, Nature 12.3%, Cute 7.1%, Simulation 6.3%

  55. #55 Astro Colony
    65% 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: Space Sim 27.7%, Space 21.3%, Sandbox 14.4%, Building 12.5%, Crafting 10.3%

  56. #56 SpaceEngine
    66% matchOverwhelmingly Positive96% of 16,417 reviews2019
    Dev: Cosmographic Software
    Windows
    Median: 2.1 hrsMean: 44.3 hrs≥1hr: 66%

    The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.

    Why similar: Space Sim 31.3%, Sandbox 18.4%, Space 17.4%, Futuristic 7.1%, Simulation 6.2%

  57. #57 Star Crafter
    66% 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: Space 24.1%, Crafting 19.3%, Sandbox 18.4%, Building 12.4%, Simulation 10.9%

  58. #58 Solar System
    70% matchMixed44% of 55 reviews2017
    Dev: RewindApp
    Windows
    Median: 24 minMean: 8.0 hrs≥1hr: 44%

    Rediscover the solar system! Solar System is a relaxing game, which will allow you to deepen your knowledge of the Solar System by interacting with the planets!

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