Top similar games like Project Biosphere:

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!

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

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!

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 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.

Real gears that don’t slip in a physics sandbox. Build freely with resizable parts and shapes, solve physics-based puzzles, fuse structures with Super Glue into stable mechanisms, and engineer intricate contraptions, precision machines, and complex mechanical systems.

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!

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!

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.

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.

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

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.

3D falling sands simulation where cubes fall, flow, react, oxidize, ignite, and explode. Experiment freely, discover new reactions, and unlock all 200+ cube types.

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.

The galaxy is your theme park! Build wild roller coasters 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!

Blow it up is a physics destruction game. Unlock new bombs, explore the world and go on an epic journey of destruction.

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.

Phero is a small-scale nature simulation game where you grow flowers, gather nectar and balance an ecosystem. Introduce different insects species, observe them interact and stay on top of the food chain to prepare your plants for infestations.

Build, sail, and thrive in a strategic floating city! Manage biomes, rescue species, and harness the power of wind to navigate a world shaped by extreme climates. Balance ecology, exploration, and survival in this unique city-builder.

Dive into a world of creation and discovery, where each element combines to form new ones. Experiment freely in this interactive sandbox. But be careful: every combination has its consequences..

Casual puzzle game on a cosmic scale. Build stars, planets and other cosmic objects. Evolve your cosmos using abilities of the stars from stellar winds to supernova.

Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.

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 creative sandbox simulation where you experiment with physical interactions, build structures, and observe emergent behaviors in a world fully under your control.

Cities Virtual Reality is a VR city builder. You have a wide range of tools that you can use to build up your city! Play in a relaxing sandbox or play the campaign for a more intense experience.

Slowmotion, gravitation control, destructible terrain, blackhole and much more! Destroy a small (huuge) building, using different types of weapons (even custom). When you get tired of exploding prepared structures, you can always visit the map editor to build whatever you want.

Pocket Garden is a super cute little indie game where you can build the coziest gardens and have the best time ever! No worries about resources, fighting, or health. Just sit back, relax, and enjoy!

A complex but not difficult voxel automation game with belts, trains, teleports, and even catapults for transport. Achieve efficiency through smart water control. Play with or without enemies. Produce materials and fuel for a spaceship. Deal with the toxic side effects. Can you Revive & Prosper?

Demolition sandbox with different guns including nature powers. Slow down time, change gravity and much more to play around! With compaign and sandbox mods.

Ludicrum is a crazy physics sandbox. Drop a nuke in a remote village. Make giant sentient trash cans. Build a flying bathtub. If you want a game with no rules or limits, Ludicrum is for you.