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Games Like Once Upon The Universe

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

Once Upon The Universe header art

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.

Reviews: No user reviews — 50%
Released: 2026-05-01
Developer: Paweł Witkowski ByteEncode
Genres: Indie, Simulation, Strategy, Early Access
Platforms: Windows

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  1. #1 Reus
    97% matchMostly Positive78% of 5,904 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: God Game 64.5%, Strategy 16.4%, Sandbox 11.2%, Simulation 3.2%, Indie 1.9%

  2. #2 Idol Hands
    96% 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 51.1%, Strategy 22.2%, Sandbox 18.9%, Simulation 6.6%, Indie 1.2%

  3. #3 From Dust
    95% matchMixed67% of 2,948 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: God Game 73.6%, Sandbox 12%, Strategy 9.2%, Simulation 4.4%, Singleplayer 0.8%

  4. #4 开局养成满级修士
    94% match7 user reviews86% of 7 reviews2026
    Dev: GAO YU
    Windows

    idle sandbox game Create and expand your faction. Deploy various units, manage gold resources, and expand your territory. Guide your units through progressive level breakthroughs. Freely combine a variety of weapons (such as swords, staffs, etc.) and magic to shape each unit’s unique combat style.

    Why similar: God Game 52%, Sandbox 17.8%, Strategy 16.3%, Simulation 7.9%, Pixel Graphics 5.1%

  5. #5 The Sandbox
    94% matchMixed55% of 571 reviews2015
    Dev: PIXOWL INC.
    Windows
    Median: 1.2 hrsMean: 5.6 hrs≥1hr: 56%

    READY FOR CRAFTING VIRTUAL WORLDS ON YOUR PC?The acclaimed world-building game featuring a unique mission-based approach is coming onto PC via Steam Early Access. With over 16 million players on mobile & tablets versions and 1,500,000 pixel blocks creations shared in the Online Gallery to date, this PC version is taking world...

    Why similar: God Game 38.1%, Sandbox 37.7%, Strategy 10.7%, Pixel Graphics 5.4%, Simulation 5.2%

  6. #6 Gaia Maker
    92% matchPositive93% of 27 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 45.5%, Space Sim 21.1%, Sandbox 19%, Simulation 5.7%, Sci-fi 3.1%

  7. #7 Evolo.Evolution
    93% matchMixed41% of 17 reviews2018
    Dev: OurLastSpringPub: Metal Fox
    Windows

    Evolo.Evolution - an exciting strategy in real time with elements of the sandbox. Go through several stages of evolution, from the usual rabbit, to the local ruler of these lands. Fight other sentient beings and build your tribe.

    Why similar: God Game 43.5%, Strategy 25.9%, Sandbox 16.1%, Simulation 5.9%, Pixel Graphics 5.3%

  8. #8 You Are God
    91% matchNegative19% of 43 reviews2017
    Dev: BefuddleBug
    Windows

    Control the weather on a planet. Watch the life grow and develop religion and technology. Will they worship you or forget you?

    Why similar: God Game 55.6%, Strategy 31.1%, Simulation 9.3%, Indie 3.9%

  9. #9 Inspiral: Echoes of Gravity
    90% 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 34.7%, Space Sim 28.4%, Sandbox 15.4%, Strategy 10.1%, Sci-fi 5.3%

  10. #10 Fate Tectonics
    91% matchMostly Positive75% of 208 reviews2015
    Dev: Golden Gear GamesPub: Toy Temp
    Windows · Mac
    Median: 3.7 hrsMean: 7.6 hrs≥1hr: 96%

    Build up a world piece-by-piece using the power of the god-like Fates, while keeping them happy enough to avoid world-shattering temper tantrums!

    Why similar: God Game 55.7%, Strategy 26.3%, Simulation 7.6%, Pixel Graphics 7.1%, Indie 3.3%

  11. #11 Anthropomachy
    89% matchMixed55% of 47 reviews2019
    Dev: Toy Box Lab
    Windows

    Get ready for conquering the world as a God! Show compassion to those who have nothing and they will love you. Take from those who have everything and they will fear you. Gain worshipers, fight skepticism and make the Earth belong to the gods once again! Long live the Greek Gods!

    Why similar: God Game 78.9%, Strategy 13.6%, Simulation 2.9%, 2D 2.1%, Indie 1.7%

  12. #12 Substrate: Emergence
    88% matchNo user reviews2026
    Dev: Petri Dish Games LLC
    Windows

    Grow fluorescent cells that create mesmerizing emergent chaos. Simple mechanics hide deep complexity as cells evolve survival strategies through synergistic interactions. Catalogue successful lines and culture them to develop your own unique biology.

    Why similar: God Game 47.7%, Strategy 20.8%, Sandbox 16.2%, Simulation 6.9%, Pixel Graphics 4.4%

  13. #13 GardenGrow
    87% matchNo user reviews
    Dev: ADIRINK
    Windows

    A cozy houseplant simulation where every plant is alive. Grow, water, prune, and train unique species. Apply buff cards to push plants beyond their natural limits and create your own species with a capable plant editor.

    Why similar: God Game 59.5%, Sandbox 20.4%, Simulation 9%, Pixel Graphics 5.9%, 2D 4.5%

  14. #14 Gênese
    86% matchNo user reviews
    Dev: Greenlight Studio
    Windows

    An interactive experience of creating entire stellar systems, planets and civilizations, playing as the supreme God of this Universe. Build colossal worlds from molecules. Evolve advanced civilizations from simple bacteria. Experience an amazing, rich and detailed gameplay, writing your own story.

    Why similar: God Game 51.7%, Space Sim 20.6%, Strategy 19.2%, Simulation 6%, 2D 2.2%

  15. #15 Terra Firma
    84% matchVery Positive94% of 583 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 53.5%, Strategy 20.4%, Sandbox 17.8%, Simulation 7.6%, Singleplayer 0.7%

  16. #16 Galimulator
    85% matchVery Positive91% of 497 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 46.8%, Sandbox 23.1%, Strategy 15.2%, Simulation 14.8%

  17. #17 Sheep Island
    86% match2 user reviews100% of 2 reviews2020
    Dev: Arkhamsoft
    Windows

    You've get a no people island. Then there is only one thing to do. Use your hands to increase the number of sheep.

    Why similar: God Game 58.1%, Sandbox 22.6%, Simulation 8.9%, Pixel Graphics 5%, 2D 4.6%

  18. #18 Mnemonic
    84% match3 user reviews33% of 3 reviews2024
    Dev: Mnemonic
    Windows

    This game places you at the helm of a cutting-edge space fighter, navigating through the vastness of a starry backdrop.

    Why similar: God Game 60.3%, Strategy 34.1%, 2D 4.6%, Singleplayer 1.1%

  19. #19 Legendary mobile phone store simulator
    83% match3 user reviews100% of 3 reviews2025
    Dev: Gold Treasure
    Windows

    Start your own local game store. Fix your phone, or hack them. Set your own prices, expand your stores, and open the secret room that has been sealed for a long time.Unravel the secrets left by Xiao Wang.

    Why similar: God Game 48.3%, Strategy 24.7%, Sandbox 17%, Simulation 8.1%, Indie 1%

  20. #20 Interstellar Pilot 2
    82% matchVery Positive91% of 155 reviews2023
    Dev: Pixelfactor Ltd.
    Windows

    The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.

    Why similar: Space Sim 37.5%, Strategy 25.4%, Sandbox 21.2%, Simulation 8.1%, Sci-fi 5.7%

  21. #21 Decline
    82% match1 user reviews0% of 1 reviews2024
    Dev: 臻新
    Windows

    This game transports players into a mysterious dark world, where they play as a red strawberry bear.

    Why similar: God Game 60.3%, Strategy 34.3%, 2D 4.5%, Singleplayer 1%

  22. #22 Galactic Simulator2: Stargate
    81% matchMixed69% of 36 reviews2025
    Dev: PcZ Games
    Windows · Mac

    Galactic Simulator 2: Stargate is a roguelite simulation game inspired by the Fermi Paradox and the Great Filter. Pilot your ship, gather resources, build stargates, and discover other civilizations as you explore an ever-evolving galaxy.

    Why similar: God Game 32%, Space Sim 28.6%, Strategy 14%, Sandbox 13.5%, Sci-fi 6.2%

  23. #23 Criteria
    81% match1 user reviews100% of 1 reviews2024
    Dev: 臻新
    Windows

    This game plunges players into a cold and snowy world, where they take on the role of a black ghost, moving forward through the icy landscape.

    Why similar: God Game 60.9%, Strategy 33.6%, 2D 4.5%, Singleplayer 1%

  24. #24 Simmiland
    80% matchVery Positive87% of 1,922 reviews2018
    Dev: Sokpop Collective
    Windows · Mac
    Median: 2.1 hrsMean: 4.3 hrs≥1hr: 68%

    Simmiland is a god-like card game. In this game you indirectly influence a small civilization by manipulating their surroundings by playing cards 🃏🃏🃏 Playing cards on different biomes and objects will result in different findings. The way you play the game will define how mankind will develop!

    Why similar: God Game 69.1%, Simulation 10.3%, Strategy 8.5%, Pixel Graphics 6.6%, Indie 4%

  25. #25 Antbox
    79% matchNo user reviews
    Dev: nonanonanonanonanonanona
    Windows

    Customize your own ant colony. Test its viability against starvation and predation. Pit rival colonies against each other and see who comes out on top. Do you like to watch ants go about their day?

    Why similar: God Game 53.8%, Sandbox 24.4%, Strategy 8.2%, Simulation 7%, Pixel Graphics 3.1%

  26. #26 Gravitation
    79% matchNo user reviews
    Dev: GoldenEggs Workshop
    Windows

    Gravitation is a sandbox simulation set in the vastness of the cosmos and built on the laws of real-world physics.

    Why similar: Space Sim 40%, Strategy 27.6%, Sandbox 18.7%, Simulation 8.7%, 2D 3.1%

  27. #27 Planet Factory
    77% matchPositive86% of 28 reviews2024
    Dev: SupremeGuardianGames
    Windows

    A small quick game about building a factory to launch planets into a solar system! Grow your base and increase production to make the ultimate factory for launching planets!

    Why similar: Space Sim 35.8%, Strategy 25.7%, Sandbox 19.8%, Simulation 8.1%, Sci-fi 5.4%

  28. #28 Coloniam
    78% matchMixed40% of 25 reviews2020
    Dev: Austin M.
    Windows

    Colonize islands and grow your population. Manage trade routes and resources to meet the ever increasing needs of your colonist.

    Why similar: Strategy 40.3%, God Game 33%, Simulation 12.1%, Sandbox 9.6%, Indie 5.1%

  29. #29 Gift Stream: Sorting & Delivery Simulator
    78% matchNo user reviews
    Dev: Prime Byte SRL
    Windows

    Gift Stream Sorting & Delivery Simulator is a logistics management simulator where gifts constantly arrive through a mysterious portal. Inspect, sort, and ship them efficiently while upgrading machines and expanding your warehouse to handle an ever-growing delivery stream.

    Why similar: God Game 50.2%, Strategy 24.1%, Sandbox 17.2%, Simulation 7.6%, Indie 1%

  30. #30 Godhood
    76% matchMostly Positive72% of 1,081 reviews2020
    Dev: Abbey Games
    Windows
    Median: 2.4 hrsMean: 10.6 hrs≥1hr: 69%

    Create your Religion, raise your Disciples, and guide them to bring you glory! Inspire growth in your Disciples so they may challenge the false gods and convert their followers. Defeat your rivals, and become the One Truth!

    Why similar: God Game 66%, Strategy 25.8%, Simulation 7%, Singleplayer 1.2%

  31. #31 Evolo.SpiderSim
    77% match4 user reviews50% of 4 reviews2018
    Dev: OurLastSpringPub: Metal Fox
    Windows

    Evolo.SpiderSim is an exciting real-time strategy game with sandbox elements. Collect resources, build new creatures and buildings. Develop your underground colony of spiders!

    Why similar: God Game 47.8%, Strategy 42.5%, Indie 5.4%, Simulation 4.4%

  32. #32 Anticipate
    76% matchNo user reviews2024
    Dev: Guan Yue
    Windows

    This game draws players into a mysterious enclosed space, where they take on the role of a purple ghost battling faceless demons in an environment filled with the unknown.

    Why similar: God Game 61.4%, Strategy 33.9%, 2D 3.8%, Singleplayer 0.9%

  33. #33 SPORE™ Creepy & Cute Parts Pack
    75% 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 57.3%, Sandbox 16.1%, Strategy 10.7%, Simulation 10.3%, Sci-fi 3.9%

  34. #34 Super Island God VR
    75% matchMixed62% of 58 reviews2019
    Dev: Empyrean Interactive
    Windows

    Jump into Super Island God and take on the role of a lost island tribe's deity in this exciting new God Simulator. Harness your divine power in this built-for-VR game and reward (or punish) your civilization as they journey through dozens of handcrafted challenges.

    Why similar: God Game 62.7%, Strategy 25.5%, Simulation 8.9%, Indie 2.8%

  35. #35 Elysian Eclipse
    74% matchNo user reviews
    Dev: Seven Ducks Studios
    Windows

    Elysian Eclipse is a Sandbox Evolution Simulator, letting you evolve from an amoeba into a space traveling sentient being. Create your own creatures, buildings and vehicles to conquer procedural planets. Turn the galaxy into your personal playground!

    Why similar: God Game 47.5%, Space Sim 26%, Sandbox 15.6%, Sci-fi 5.9%, Simulation 3.8%

  36. #36 Sandbox:God Simulator
    74% 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 62%, Sandbox 21.8%, Simulation 9.3%, Pixel Graphics 6.2%, Singleplayer 0.7%

  37. #37 Tidal Tribe
    73% matchVery Positive87% of 94 reviews2019
    Dev: PowPit
    Windows

    Tidal Tribe is a relaxing god game that gives you the power to shape the terrain. Raise and lower the land to protect your villages from waves and floods, all while using that very same water to build lakes and rivers, turning the desert land into a lively forest of trees and bushes.

    Why similar: God Game 54%, Sandbox 20%, Strategy 10.7%, Simulation 10.2%, Indie 4.1%

  38. #38 I Am a Rock
    73% matchVery Positive90% of 52 reviews2022
    Dev: PanGuoJun
    Windows

    A rock's solar system odyssey.

    Why similar: God Game 52.7%, Space Sim 36.6%, Strategy 7.4%, Simulation 2.3%, Indie 1%

  39. #39 The Odyssey: Winds of Athena
    73% matchMixed68% of 645 reviews2015
    Dev: Liquid Dragon StudiosPub: Senpai Industrial Studios
    Windows
    Median: 3.5 hrsMean: 5.6 hrs≥1hr: 91%

    As the Greek Goddess Athena, control the wind, seas, and air to guide the hero Odysseus home from the Trojan Wars. The incredibly realistic water current simulation will amaze and challenge you, as you use your powers to protect the Hero's fleet.

    Why similar: God Game 50.9%, Strategy 33.7%, Simulation 10.5%, Indie 4.9%

  40. #40 Tethered
    72% matchVery Positive81% of 210 reviews2017
    Dev: Secret Sorcery Limited
    Windows
    Median: 1.5 hrsMean: 3.4 hrs≥1hr: 65%

    Thirteen unique islands await your guiding hand in this beautiful and engrossing real-time strategy game, unlike anything you have experienced before!

    Why similar: God Game 52.5%, Strategy 42.4%, Indie 5.1%

  41. #41 The Fermi Paradox
    71% matchMostly Positive77% of 991 reviews2021
    Dev: Anomaly Games
    Windows
    Median: 3.9 hrsMean: 5.4 hrs≥1hr: 75%

    The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.

    Why similar: God Game 44.4%, Space Sim 30.7%, Strategy 10.9%, Sci-fi 6.6%, 2D 3%

  42. #42 Populous™
    70% matchVery Positive84% of 62 reviews2024
    Dev: Bullfrog ProductionsPub: Electronic Arts
    Windows

    Move mountains, part the seas, and lead mortal armies to victory in Populous. Take on the powers of a mighty deity and battle for supremacy against an enemy god, using thoughtful strategy to shape the isometric world and the fate of its people.

    Why similar: God Game 75.2%, Strategy 24.8%

  43. #43 Gods of Havoc: Into the Void
    72% match6 user reviews100% of 6 reviews2019
    Dev: Mykel Flynn
    Windows

    Gods of Havoc heralds a return to the classic God-Game: watch as your worshippers spread across the galaxy; guide their destiny through dreams; shape their worlds with magic; destroy their enemies with devastating spells; and manipulate space for their advantage! An intense and cunning strategy game. Part of the 'Gods of Havoc' Trilogy!

    Why similar: God Game 35.9%, Strategy 28.3%, Space Sim 23.8%, Simulation 8.5%, Indie 3.6%

  44. #44 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 43.1%, Space Sim 28.6%, Strategy 14.5%, Simulation 4.3%, Pixel Graphics 3.6%

  45. #45 Elements For Money
    71% match1 user reviews100% of 1 reviews2024
    Dev: Pika2
    Windows

    A turn-based game about forming reactions to pay off an ever-increasing payment demand.

    Why similar: God Game 58.7%, Strategy 28.3%, Pixel Graphics 4.7%, 2D 3.5%, Simulation 2.5%

  46. #46 Island God Simulator
    69% match3 user reviews100% of 3 reviews2026
    Dev: JYS
    Windows

    God’s-eye control — Command every islander. Sandbox survival — Gather, build, and grow your civilization. Defend against enemy invasions. Every choice matters. Endless replayability with dynamic islands, islanders, and threats.

    Why similar: God Game 49.1%, Strategy 30.9%, Sandbox 10.5%, Simulation 8%, Singleplayer 1.5%

  47. #47 GalactiWar - Empire Simulator
    70% 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 47.8%, Sandbox 21.5%, Space Sim 19.8%, Simulation 6.8%, Sci-fi 2.9%

  48. #48 Star Fleet Deluxe
    69% match5 user reviews100% of 5 reviews2026
    Dev: Trevor SorensenPub: Interstel Technologies, Inc.
    Windows

    Command a UGA heavy cruiser against the Krellan Empire. Navigate space, manage resources, and coordinate defense strategies. Use starbases and outposts to protect colonies while engaging in tactical ship combat. Your decisions will determine the fate of sectors in this military space simulation.

    Why similar: Space Sim 46.8%, Strategy 29%, Sci-fi 13%, Pixel Graphics 5.5%, Simulation 3.6%

  49. #49 Don’t Let Them Drive
    68% match1 user reviews100% of 1 reviews2026
    Dev: Don’t Let Them Drive
    Windows

    Waves of drunk NPCs are determined to reach their cars and drive home. Team up with friends, cause controlled chaos, and stop them before it’s too late.

    Why similar: God Game 55.6%, Strategy 25.1%, Sandbox 19.3%

  50. #50 Doodle Empires
    66% matchVery Positive92% of 1,091 reviews2025
    Dev: Turtle Stack Games
    Windows · Mac · Linux

    Doodle Empires is an alternate history sandbox game all about drawing your own nations with your own histories and stories in a variety of maps. Watch your world take shape and evolve over time, and decide which nations will rise and which nations will fall.

    Why similar: God Game 49%, Strategy 19.4%, Sandbox 18.1%, Simulation 7%, 2D 3.1%

  51. #51 X: Tension
    70% matchMostly Positive78% of 138 reviews2010
    Dev: Egosoft
    Windows
    Median: 6 minMean: 3.2 hrs≥1hr: 15%

    X-Tension is the eagerly awaited expansion pack to X: Beyond the Frontier. The expansion is not limited by a linear plot line but makes use of new ways to expand your empire. You can now take part in missions that are offered to you throughout the game.

    Why similar: Space Sim 39.4%, Strategy 23.8%, Sandbox 15.8%, Simulation 10.3%, Sci-fi 9.4%

  52. #52 The Story Of
    67% match3 user reviews33% of 3 reviews2025
    Dev: Mårten JonssonPub: JMJ Interactive
    Windows

    A collection of 3 relaxing simulators, never before released on PC. Grow the worlds, find all the endings.

    Why similar: God Game 64%, Sandbox 20.5%, Simulation 9.2%, 2D 4.6%, Indie 1.2%

  53. #53 Gods vs Humans
    69% matchMixed57% of 115 reviews2014
    Dev: Artefacts StudioPub: Microids Indie
    Windows
    Median: 18 minMean: 6.6 hrs≥1hr: 31%

    Humans are building a tower to reach the Kingdom of the Gods! Embody one of these divinities to foil their attempts. But, be careful not to kill them with your special powers, because your survival depends on their devotion!

    Why similar: God Game 53.5%, Strategy 46.5%

  54. #54 Heliopedia
    67% 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 45.2%, Space Sim 30.9%, Sandbox 16.5%, Simulation 4.4%, Sci-fi 3%

  55. #55 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 44.1%, Space Sim 25%, Sandbox 18.5%, Simulation 6.1%, Pixel Graphics 2.9%

  56. #56 The Sandbox Evolution - Craft a 2D Pixel Universe!
    68% matchMixed42% of 1,514 reviews2016
    Dev: PIXOWL INC.
    Windows
    Median: 42 minMean: 3.8 hrs≥1hr: 43%

    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 44.5%, Sandbox 33.5%, Pixel Graphics 9.1%, 2D 5.9%, Simulation 5.1%

  57. #57 Birthdays the Beginning
    67% matchMixed64% of 977 reviews2017
    Dev: Arc System WorksPub: NIS America, Inc.
    Windows
    Median: 4.4 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 67.9%, Sandbox 24%, Simulation 7.2%, Singleplayer 1%

  58. #58 Terra Firma 2
    64% matchVery Positive91% of 139 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 56.1%, Sandbox 22.1%, Strategy 12.5%, Simulation 5.7%, Indie 2.2%

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Games Like Once Upon The Universe

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