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?

Team up with a friend to build the ultimate space recycling business. Collect drifting debris, turn it into valuable products, fulfill orders, upgrade your machines, and create chaos with playful sabotage.

Escape into Cozy Country, a peaceful fantasy landscape creator. Paint forests, place rivers, build a village, add animals, then step inside your world and explore everything you've created. ❤️

Curiosmos is a whimsical space sim where you shape 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 ✶

Raccoocket is a cheerful, ridiculous rocket-building flight game. Stack cola and Mentos, bottle rockets, old toilets and scrapped missiles into a rocket that looks impossible but pushes like crazy, and launch Xiao Huan the raccoon. Get it right: the Moon. Get it wrong: a short, loud fireworks show.

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.

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!

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.

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.

Lead an expedition into an unexplored solar system. Build rockets, aircraft, and other vehicles, discover new worlds, gather resources, complete missions, unlock technology, and grow a colony of tiny purple Klorps in this spaceflight sandbox.

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.

Waterfalls Dream is an expressive diorama-builder with realistic water behavior. Build your own cozy waterfalls and watch water find its path among the nature scenery. Relax without any goal and paint in a 3D world full of procedural helpers. Imagine a new place - or recreate the one you saw before.

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

A creative game where your imagination is your limit.

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

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.

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.

Cast the Spark of Life into an empty ocean and watch deep time do the rest. Microbes become fish, fish crawl ashore, and one day something wakes up and builds a civilization. Nudge the world with god powers, then see if anyone makes it to the stars.

Experience the beauty of a vibrant world filled with colorful dinosaurs. Play as a dragonfly, recolor the surroundings, collect dinosaur nests, and discover scenic viewpoints in this handcrafted environment. Enjoy the journey at your own pace, whether actively exploring or in idle mode.

Void Clicker: Infinite Prestige is a cosmic idle clicker. Click the Black Hole, use Taskbar Mode, trade hundreds of Steam items, collect pets, meet random NPCs, master endless Prestige and create your ultimate build.

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!

Scrivo is a tiny guy made of crumpled paper, in a cozy game, exploring the scraps of a world that vanished long ago. Use a magnet to collect scraps and create hex tiles, then snap them together to build your own floating island. Complete quests, discover forgotten relics as your little world grows.

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.

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.

Steampunk Idle Spinner is the game in which you can build incredible mad science contraptions and spectate them spin and earn money! The game has mines, cogwheels, balloons, electric field generators, vapor collector, portal and generates awesome vibes of exploration, construction and discovery.

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!

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?

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.

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

Give your little invention a chance to do something wonderful. Tinker, take a leap, and feel the joy of getting a little further than before. A cozy flying adventure about small steps, happy accidents, and a dream as big as the Moon.

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.

Build little worlds for adorable spacehogs! A relaxing sandbox game where you can build without limits, unlock hundreds of new items, discover cute creatures and watch your world come alive.

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!