Top similar games like Once Upon The Universe:

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.

The Stars Are Never Still is a 2D space sandbox. Shape a galaxy and watch 16 unique races colonize, trade, ally, betray and wage war. Observe, or intervene with technology, aid, discord, disasters, new life—even black holes. Chronicle millennia of history. No set goals. No empire lasts forever.

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.

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!

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.

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.

In this expansive, open-ended idle game, freely explore, research, design, and manufacture your unique swarm to combat the endless alien tide. Utilize a multi-layered reset structure to continuously strengthen your forces and ultimately discover the method to save human civilization!

Engage in the construction of your station from a variety of different modules. Create your space fleet. Protect your base from enemies...

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.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

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.

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...

Your people landed on a virgin forest island. Develop the island, build a house, make fields and barns, develop agriculture, fishery and industry, Let's develop into a wonderful island. It is a box-garden / sandbox-type simulation game that guides people and develops and develops islands. Andy maintenance (c)

Manage a space station, flying through a procedually generated universe, fight, build and survive in the coldness of space.

Biosphere Simulator is a planetary god game sandbox where you guide a dead volcanic world through billions of years of evolution. Seed life, shape ecosystems, unleash cataclysms, and watch civilizations rise from primordial microbes to spacefaring societies.

Haul cargo, hunt bounties, upgrade your ship and get paid in a gritty lo-fi universe. Hand painted graphics, procedural generated star systems that can be navigated, story campaign mode or huge open-world.

Space Station Continuum is a building & management sim inspired by the past, present, and future of humans in space.

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!

From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.

Create and destroy on a scale you’ve never imagined!

Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!

Commanding a starship, you’ll trade goods across the galaxy, evade cosmic threats, and grow your trading empire. Do you have what it takes to outmaneuver rivals and become a trading legend? Take command of your destiny in Epic Space Trader, your journey to the stars begins now!

A brutal godlike village sim that melds the god game, management, and tower defense genres! Fight off hoards of monsters at night, and expand your village in the day time. Inspired by games like Black and White, Rimworld, and Dwarf Fortress but not quite like any of them.

A mostly peaceful pixely isometric city builder with a bit of magic. Four different people live in the four quadrants of the pyramid. Fishermen, farmers, fire people, magicians. Gather resources, build homes, challenge demons and create a thriving city while preparing for winter.

Draw on a planet and watch physics answer. A climate, ocean and erosion simulator you can edit with a brush — dry the Mediterranean, green the Sahara, stall the Atlantic conveyor. 38 scenarios across the Solar System, Cretaceous Earth and five real exoplanet systems.

A sci-fi settlement building game with orbital mechanics. Start from a spaceship, scan asteroids, manage fuel, ore, electricity, time, and sanity, while expanding your settlement, exploring an alien solar system, and building stations and spacecraft to support your growing colony.

A 2D space trading game with a real economy. NPC ships haul cargo between 78 stations and prices move whether you're there or not. Good routes die as other traders catch on, so you keep hunting new ones. No quest markers, no "best trade" arrows. Just you, a map, and the prices.

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?

Rule a nation by issuing voice or text commands to an AI and conquer the world. Voice input supports Chinese and English; text input supports all languages.

An idle clicker game with random values and 2,000+ upgrades. Random upgrades, prestige, perks and many more features!

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!

Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

A calm creative experience where you guide the development of an alien ecosystem. Study the environment and discover what drives it, or just sit back, relax, and see what happens!

Interstellar Inn is a 2D hotel building and management sim in space.

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.

A sandbox world simulator where you generate a world and watch history emerge from interacting systems. Track wars, alliances, economies, cities, families, and individuals, then zoom from shifting borders to personal lives.