Fantasy Map Simulator: Create and watch imaginary worlds evolve over centuries. Design maps, simulate nations and their politics, and control destinies. See empires rise and fall on your desktop wallpaper. A unique simulation for history buffs and creative minds.

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!

The Sapling is a short simulation game where you design your own plants and animals, and put them in a world together. Or you turn on random mutations, and see what evolution does to your ecosystem!

Inspired by the god games of old, Fata Deum lets you mold settlements and townsfolk in your image. Will you raise the settlements to splendor, or spur them on to violent debauchery and demons? Watch as a living world grows under your whims.

Make your own metropolitan utopia! Stores, mansions, towers--anything goes!

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.

Craft The World is a unique sandbox strategy game, the mix of Dungeon Keeper, Terraria and Dwarf Fortress. Explore a random generated world populated by dangerous creatures, build a dwarf fortress, gather resources, and craft all the items, weapons, and armor you need.

Build and manage your dream city in this captivating simulation game. Create unique urban landscapes and enjoy compatibility with the mobile versions. Unleash your creativity and shape the metropolis of your dreams.

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

Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.

"Falling sand" style particle sandbox, now with circuits and stickmen!

A physics sandbox game for people who like to play with digital toys. Create, control toys and define your goals.

The deepest, most intricate simulation of a world that's ever been created. The legendary Dwarf Fortress is now on Steam. Build a fortress and try to help your dwarves survive against a deeply generated world.