Top similar games like Heliopedia:

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?

Cozy Country is a world-builder where you shape a living island landscape of forests, rivers, and buildings, then step inside and explore everything you've created ❤️

Curiosmos is a whimsical space sim where you build your own solar system by crafting planets, gravity, atmosphere, and life! Embark on an adventure to discover the secrets of the universe in this charming ode to outer space ✶

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.

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.

Kibus Moon Rock is a relaxing sandbox game about building a world for spacehogs. Create colourful forests or buzzing towns, unlock new buildings, find new biomes and collect pets in a fantasy space world.

Run Your Own Galactic Fuel Station! Restore an abandoned station, refuel starships, and grow your intergalactic business! Extract fuel, sell rare goods, and repair ships to keep customers happy. Expand your station, automate operations, and become the galaxy's most popular fueling hub!

Slime Factory is a game in which you have to develop your factory for breeding Slimes. Manage resources and construction, unlock new building types, and explore a variety of biomes in an open world!

An artificial life simulation about a robot cultivating ecosystems on the moons of a ruined planet. Grow fantastical plants and animals, facilitate their evolution, and gather resources while discovering the secrets of this strange world.

Explore space: Colonize different planets, gather valuable resources, and build your own space colony. Travel the solar system and even create your own planet. Your decisions shape the future of the galaxy in this limitless space adventure.

Watch and play with quirky critters as they generate loads of money for you in a unique idler/creature collector hybrid.

Are you curious to discover what lies beyond our planet? Accompany Bean on his space mission and discover an endless number of adorable creatures called Puddies that will have to be trained. Launch yourself into the unknown or you launch him.

A creative game where your imagination is your limit.

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

Transform barren land into a thriving ecosystem in this relaxing building game. Recycle trash, grow plants, and reintroduce wildlife to create a self-sustaining world.

Evolution Survival is a survival game where the universe evolves around you. The plants and animals you saw at the beginning will be different at the end, They may not even be there, the star may have gone supernova or shrunk into a white dwarf. Who knows when Natural Selection is at the wheel!

In celebration of the 25 yr anniversary of the first release, this compendium contains all 4 games in the Battlecruiser 3000AD series which was first released in 1996.

The idle planet creation game that sits anywhere on your desktop. Watch the birth of a planet, upgrade the Catalyst, discover new biomes, and shape your own solar system while you work or relax.

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.

Dragons are famous for their money hoarding and wealth. If only I could use some of that for myself, but adults are too vicious to tame. Baby dragons won't be though! It's time to collect them all! Time to get rich, and maybe I can finally pay off my student loans!

Factory management and sandbox base building in zero-g environment. Survive, expand and then dominate space industrial market. Build large scale resource processing plant completely from nothing.

Take on the role of God and create your own world as you see it!

Inherit a derelict space station on the edge of the galaxy and breathe new life into it. As the ultimate space mechanic, you will repair diverse spaceships, trade with pilots, and expand your services. Start with a single rusty dock and build the most bustling service hub in the sector!

Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!

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.

After a mysterious accident you are left are stranded, floating through space on a piece of a space station. Craft supplies and Hubs to expand what is now your home. But be warned space is a dangerous places where one mistake can mean certain death. Can you defy the odds and survive in space?

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.

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!

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.

Meddle in the incey wincey romantic lives of beetles with old man faces in this absurd simulation game.

A creative sandbox adventure with a focus on exploration, discovery and survival. Shape your worlds, build, mine, and farm. Expand your reach and travel to other worlds using your ship, and worm holes!

Open a Pixie shop and dive into an adventure with whimsical creatures. Tame, train, and evolve Pixie characters, then explore the vibrant city with them. Manage your shop, serve customers, and grow your business. Join now and create your own Pixie legend!

Catch cosmic fish drifting in orbit with your gravity beam while exploring an open-ocean planet.

Celestarium, an astronomy game where you start as an amateur astronomer. Discover and map planets, sell data to corporates, improve your gear, start your own space agency, manage your own missions, build and fly rockets to discovered bodies. Explore, prosper and expand your presence in space.

Space Tourist is a chill, mechanic-lite, easy space exploration game designed for tired gamers who love to discover beautiful worlds without overwhelming systems or steep learning curves. Explore space. Land on new worlds. Plant flags. Take photos. Relax.

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.