Project Biosphere
Project Biosphere is a real-time ecosystem sandbox built on a falling-sand simulation. Water flows, heat spreads, fire consumes, plants take root. Ecosystems rise and fall.
The top results based on the latest update are Theoria: A God Simulator [Score: 0.9], Creaturing - Sea Wonders [Score: 0.9] and Art of Destruction [Score: 0.9] The top rated games you can find here are Aviassembly [SteamPeek Rating: 8.5] ranked #20, Sandboxels [SteamPeek Rating: 6.7] ranked #5 and Universe Sandbox Legacy [SteamPeek Rating: 6.4] ranked #29 Also don't forget to check the newest releases Plentiful [Release date: 2026-05-05] ranked #8, ANLIFE: Motion-Learning Life Evolution [Release date: 2026-02-11] ranked #28 and Terra Firma 2 [Release date: 2025-10-27] ranked #15 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Terra Firma 2 [SteamPeek Rating: 4.9] ranked #15, Gridworld [SteamPeek Rating: 4.7] ranked #17 and Aviassembly [SteamPeek Rating: 8.5] ranked #20.
Project Biosphere is a real-time ecosystem sandbox built on a falling-sand simulation. Water flows, heat spreads, fire consumes, plants take root. Ecosystems rise and fall.
Theoria is a god simulator where humans, goblins and elves colonize the land, build kingdoms and wage wars on their own. Rain meteors on their cities, rip a house up from the ground and throw it, or drop into first person and fight as one of them. It is a voxelworld, so every damage you make stays.
Create physics-based sea creatures and discover evolution through surprising challenges! Control, test, and share your creatures made with our flexible building system! Evolution is full of quirky surprises, can you be more creative than nature it self?
A physics sandbox simulation game about constructing and demolishing structures. If you like destroying stuff or just mess around, then this game is for you!
Build whimsical homes within roots and wood, and transform an old stump into a little world. A relaxing sandbox with no pressure - just a quiet, peaceful place and your imagination.
Craft custom liquids with mind-bending properties and create immersive scenes using the Scene Editor! Enjoy 60+ simulations that bring realism to destruction with shatter physics, soft body dynamics, real-time fluid simulation, structural integrity, and other exciting features!
A 3D material simulation sandbox for building machines, running experiments, and seeing what happens.
Plentiful is a nature sandbox. You shape the land and everything responds—water, plants, animals, and your people. Learn how this world works. Your tribe’s survival depends on it.
Woodland Empire is an anti-citybuilder; a natural take on the typical city building game. Instead of building roads and power lines, you'll control the wind, rain and sunlight to help your forest grow. Employ the help of woodland creatures to manage, upgrade and grow your empire.
Shape a living volcanic archipelago in this relaxed god game. Guide autonomous islanders as they gather, build, forge lava-made paths, rescue distant communities, and face threats from hostile islands.
Build sand castles, reshape the shore and blast your defences apart in a living water-and-sand physics sandbox across 25 maps. Dig channels, redirect waves and tune erosion. Single-player at launch; castle-versus-castle PvP is planned for a later update.
3D falling sand simulation. Experiment to unlock new materials. Reactions, Temperature, Pressure are your tools to discover over 200 unique cube types.
Lead your tribe. Unleash the elements. Shape the land. Mythilus combines god-game powers with real-time strategy on beautiful voxel worlds. Build settlements, command armies, raise land bridges and unleash volcanoes to turn the battlefield in your favour.
Pixel Transit is a game where you construct a transit system in an infinitely vast, tile-based world. Your goal is to design efficient transportation networks that enable people to reach their destinations as quickly as possible.
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.
A creative game where your imagination is your limit.
Gridworld is an artificial life and evolution simulator. Watch creatures evolve through natural selection as they learn to find food, avoid danger, and compete with other creatures for survival.
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.
Raise an island from the sea, seed it with life, then smite it, flood it, or raise its dead. A voxel god game where tribes you never command learn masonry and gunpowder, forge kingdoms and go to war, and every power you use is written into a history you can click to visit.
Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.
Build the island of your dreams - either by hand or using procedural generation tools. Create cozy islands while completing objectives to unlock new items & tools. Adjust the quantity of bridges, the maximum height of the terrain, and meticulously tweak configurations to create unique island worlds!
Ribbit Riot! is a one-button chaos game where you unleash idiot frogs to destroy a tiny city. Click the frog button, stack absurd upgrades, and watch everything spiral out of control.
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.
A pixel-physics sandbox. Fifty materials, and every one of them is physics: sand finds its angle, water freezes, lava crusts into stone, gunpowder blows. Build your own materials and worlds, and share them in the Workshop.
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.
Finally, a human being invents virtual matters: all kinds of realistic chemicals reacting within the law of conservation of matter. Finally, you can create your own lab-worlds, like a god!
Reactonix is a flexible and enjoyable simulation sandbox where every force is at your command. Create ecosystems alone or with friends, experiment with physics and watch life evolve—or start an apocalypse for the sake of science. Complete freedom to create and destroy is in your hands.
A relaxing evolution simulation where AI-driven block creatures move in unexpected ways. There are no complex ecosystems—just pure movement learning through a physics engine. Watch as these creatures scurry, stumble, and evolve in their own unique, unpredictable ways.
Create and destroy on a scale you’ve never imagined!
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.
Blow it up is a physics destruction game. Unlock new bombs, explore the world and go on an epic journey of destruction.
Build stellar rollercoasters across alien worlds, carve tunnels through planets, and launch trains into orbit. Customize every track element, scenery decoration, and environment before subjecting riders to the forces of the universe! The galaxy is your theme park!
Biosphere-3 is a God-view Ecosystem Sandbox. Splice DNA to design species, watch them forge food webs and survival strategies. Raise volcanoes or glaciers to shape a dead planet. Unleash lightning, acid rain or hurricanes to steer evolution. Awaken as the creator — the last biosphere is yours.
Make your own games in this powerful sandbox building engine. Vehicle simulators, first person shooters! No coding knowledge required, create games using blocks and then publish them online for others to play. BUILD IT, PLAY IT, SHARE IT!
Clone yourself to take over the environment in this bacterial evolution roguelite. Choose mutations and abilities each time you multiply. Use swarm mode to direct your species to attack enemies. Unlock abilities and perks to improve your odds. Compete against other multiplying and evolving species.
Mini Worlds is a cozy building toy about creating tiny cities on a small world. Build and decorate with no goals or timer.
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