
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.
60+ similar titles based on shared tags and player behavior. Themes include Simulation, Sandbox, God Game, Singleplayer.

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.

Terra Firma 2
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.

Water Box: Sandbox Playground
This water physics sandbox lets you experiment with realistic fluid behavior, sink ships by using bomb explosions, and enjoy a ragdoll people playground built to simulate destruction.
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.
Why similar: God Game 35.1% ★, Sandbox 13.9%, Physics 13%, Simulation 11.7%, Science 8.3%
This water physics sandbox lets you experiment with realistic fluid behavior, sink ships by using bomb explosions, and enjoy a ragdoll people playground built to simulate destruction.
Why similar: God Game 33.3% ★, Simulation 18.7%, Sandbox 15.3%, Physics 15%, Destruction 8.5%
Play god and create your own world in this complex simulation. Plate tectonics, wind and water erosion and plant life all develop and interact to produce a world that is viewable from a single tree to kilometres across.
Why similar: God Game 40.8% ★, Simulation 18.7%, Sandbox 13.6%, Destruction 8.8%, Physics 8.6%
Slow down time, spawn tornadoes, change gravity, create your own maps, play maps created by others! All kinds of missiles, grenades and charges, different sized tornadoes, black holes, earth shatters. Different material types to build from with their own properties. All that and more in this Sim
Why similar: God Game 37.6% ★, Destruction 17.5%, Simulation 15.8%, Physics 12%, Sandbox 9.4%
A cozy houseplant simulation where every plant is alive. Grow, water, prune, and train unique species. Apply buff cards to push plants beyond their natural limits and create your own species with a capable plant editor.
Why similar: God Game 46.6% ★, Simulation 22.8%, Sandbox 16.1%, Physics 8.7%, Nature 5.4%
Water Physics Simulation & Sandbox! Build ships and let them sink! Build cars and let them sink! Use bombs and destroy ragdolls. Play with natural disasters or create towns.
Why similar: God Game 24.1% ★, Sandbox 18%, Simulation 17.3%, Physics 17.2%, Destruction 15.1%
Solar Smash: Annihilation is the ULTIMATE sandbox simulation game. Unleash galactic chaos with lasers, meteors, black holes, and many more crazy weapons. With stunning graphics, smooth gameplay and an exciting arsenal of destructive tools – the universe is your playground!
Why similar: God Game 37.4% ★, Simulation 17.5%, Sandbox 16.7%, Destruction 13.9%, Physics 11%
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..
Why similar: God Game 31% ★, Sandbox 15.7%, Physics 14.5%, Destruction 13.6%, Science 13.1%
You've get a no people island. Then there is only one thing to do. Use your hands to increase the number of sheep.
Why similar: God Game 47% ★, Simulation 23.2%, Sandbox 18.4%, Top-Down 5.7%, Nature 5.3%
In this physics-based particle sandbox, everything is in flux: water, steam, ice, magma, acid... Blast it. Wreck it. Build it!
Why similar: God Game 26.6% ★, Sandbox 17.1%, Physics 16%, Simulation 16%, Science 13.8%
Want some destructions? Have fun destroying this cubic world. Different maps and weapons for you to have fun with. Slow down time, pause time to enjoy it more. Editor is available for you to play around!
Why similar: God Game 29.1% ★, Simulation 23.4%, Destruction 18.5%, Sandbox 18.1%, Building 7.1%
Gaia Maker is a planet-wide simulation game of terraforming, based on real physics and geology. As the planet's overseer, wield advanced technologies to reshape barren planets into life-filled worlds. Foster animal life, cultivate civilizations, or destroy them. Their fate is in your hands.
Why similar: God Game 41% ★, Sandbox 17.2%, Simulation 16.6%, Physics 14%, Top-Down 4.5%
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.
Why similar: God Game 32.7% ★, Sandbox 15.5%, Physics 14.6%, Science 12.9%, Simulation 11.7%
pan·gaia is a whole-Earth sandbox fresh outta 1999. Sculpt your planet's climate, balance its ecology, design the perfect species for a niche, and maybe, lead them to sapience. Or... hurl meteors at them.
Why similar: God Game 33.8% ★, Sandbox 22.9%, Simulation 15.9%, Nature 12.4%, Science 11.5%
This is a physics-based casual sandbox game, where there are no limits to your creativity. Mess around with liquids, explore the space, build machines, or just explode everything you can see.
Why similar: God Game 37% ★, Physics 15.1%, Sandbox 13.5%, Destruction 13.1%, Simulation 10.2%
Immerse yourself in a world as exotically beautiful as it is dangerous in this modern God-Game where Nature is the Star!
Why similar: God Game 69.3% ★, Simulation 13.4%, Sandbox 11.4%, Building 3.7%, Physics 1.7%
Galimulator is a galactic empire simulation and sandbox game. See how Empires rise and fall, and how the people in them climb through the ranks to bring prestige to their Dynasty. Then throw in an invasion of self replicating Smatter monsters if you want to spice things up.
Why similar: Simulation 40.7%, God Game 39.6% ★, Sandbox 19.7%
A collection of 3 relaxing simulators, never before released on PC. Grow the worlds, find all the endings.
Why similar: God Game 48.6% ★, Simulation 22.8%, Sandbox 15.7%, Building 7.4%, Nature 5.3%
Deploy ships, build hauses and destroy it useing bombs or water
Why similar: God Game 22.9% ★, Simulation 21.1%, Sandbox 19.7%, Physics 16.5%, Destruction 12%
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!
Why similar: God Game 34.1% ★, Destruction 13.7%, Sandbox 13.3%, Physics 13%, Simulation 10%
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.
Why similar: God Game 37.6% ★, Voxel 16.3% ★, Sandbox 15.6%, Simulation 10.2%, Nature 8.6%
Is a peaceful ecosystem simulator, bringing every aspect of nature to life. From the water cycle and plant growth, to animal behaviors and reproduction, observe your small living world evolve. All the tools are at your disposal to create your perfect forest.
Why similar: God Game 41.8% ★, Simulation 23.1%, Sandbox 16.8%, Nature 10.8%, Building 3.8%
Grow fluorescent cells that create mesmerizing emergent chaos. Simple mechanics hide deep complexity as cells evolve survival strategies through synergistic interactions. Catalogue successful lines and culture them to develop your own unique biology.
Why similar: God Game 42.3% ★, Simulation 20%, Sandbox 14.5%, Science 7.3%, Top-Down 5.1%
A powerful 2D sandbox simulator — physics and magic, characters and animation. Create anything you can imagine!
Why similar: God Game 38.8% ★, Sandbox 18.3%, Physics 16.5%, Simulation 14.9%, Building 11.1%
Cosmic Cubicle is a magical crafting puzzle game where you create the elements that make up the world. Watch the elements explode, splash, and crackle with simulated physics as you combine and hurl the elements at each other.
Why similar: God Game 41.4% ★, Sandbox 19.2%, Physics 17.5%, Simulation 14.3%, 3D 4.2%
Tidal Tribe is a relaxing god game that gives you the power to shape the terrain. Raise and lower the land to protect your villages from waves and floods, all while using that very same water to build lakes and rivers, turning the desert land into a lively forest of trees and bushes.
Why similar: God Game 44% ★, Simulation 26.9%, Sandbox 16.4%, Physics 12.2%, Singleplayer 0.6%
"Falling sand" style particle sandbox, now with circuits and stickmen!
Why similar: God Game 34.4% ★, Sandbox 14.1%, Destruction 13.1%, Physics 11.9%, Simulation 10.9%
Demolition sandbox with different guns including nature powers. Slow down time, change gravity and much more to play around! With compaign and sandbox mods.
Why similar: God Game 32.7% ★, Destruction 15.6%, Physics 14.2%, Sandbox 14.1%, Simulation 12.2%
Destructive Contraptions is a physics based sandbox simulator where you can create huge contraptions with dominos, balls, canons, pivot etc. and watch them fall apart and destroy giant structures, cities, buildings without having to worry about the legal and life threatening issues.
Why similar: God Game 33.8% ★, Destruction 15.5%, Physics 15.4%, Sandbox 15.2%, Simulation 10.4%
3D falling sands simulation where cubes fall, flow, react, oxidize, ignite, and explode. Experiment freely, discover new reactions, and unlock all 200+ cube types.
Why similar: Voxel 23.1% ★, Sandbox 17.6%, Physics 16.4%, Science 16.1%, Simulation 11.9%
See the trajectory of Conway's Game of Life through time in a 3D perspective. Create cells, destroy cells, randomly generate cells, and observe the evolution of cell groups on the timeline!
Why similar: God Game 62.5% ★, Simulation 20.4%, 3D 6.7%, Building 5.7%, Colorful 3.9%
Jingjie is a strategy-simulation sandbox where you write laws, shape probability clouds, and guide a living world with embedded local AI. Observe, experiment, and watch complex life emerge from logic, tension, and chaos.
Why similar: God Game 41.6% ★, Simulation 13.6%, Sandbox 13.4%, Physics 12.5%, Science 8.4%
Customize your own ant colony. Test its viability against starvation and predation. Pit rival colonies against each other and see who comes out on top. Do you like to watch ants go about their day?
Why similar: God Game 46.8% ★, Sandbox 21.4%, Simulation 19.8%, Nature 7.3%, Procedural Generation 4.3%
Use your godly powers to craft amazing pixel worlds or destroy the universe! Play with physics, over 200 elements and controllable heroes. Make your own games or levels, and then share your creations online. There are no limits to your creativity and imagination!
Why similar: God Game 36% ★, Sandbox 27.3%, Simulation 13.4%, Physics 12.1%, Destruction 11.3%
idle sandbox game Create and expand your faction. Deploy various units, manage gold resources, and expand your territory. Guide your units through progressive level breakthroughs. Freely combine a variety of weapons (such as swords, staffs, etc.) and magic to shape each unit’s unique combat style.
Why similar: God Game 54.1% ★, Simulation 26.8%, Sandbox 18.6%, Singleplayer 0.6%
Physics sandbox with the most realistic humanoids ever put in a game. Throw the humans around, hit them with a bat, run them over, push them down stairs, watch them try to balance on ice, break stuff, play some minigames, have a good time.
Why similar: God Game 33.4% ★, Physics 21.9%, Simulation 20.2%, Sandbox 11.6%, Building 7.1%
In Reus, you control powerful giants to shape the planet to your will. You can create mountains, oceans, forests and more. Enrich your planet with plants, minerals and animal life. There is only one thing on the planet that you do not control: mankind, with all their virtues and and all their vices.
Why similar: God Game 73.2% ★, Sandbox 12.8%, Simulation 11.8%, Nature 1.5%, Singleplayer 0.7%
READY FOR CRAFTING VIRTUAL WORLDS ON YOUR PC?The acclaimed world-building game featuring a unique mission-based approach is coming onto PC via Steam Early Access. With over 16 million players on mobile & tablets versions and 1,500,000 pixel blocks creations shared in the Online Gallery to date, this PC version is taking world...
Why similar: God Game 39% ★, Sandbox 38.9%, Simulation 17.2%, Physics 5%
Marble World is a physics sandbox simulator with marbles. Create your own marble races, runs and machines. Customize a variety of tracks, decorations and marbles to create a beautiful world.
Why similar: God Game 41.3% ★, Physics 18.1%, Sandbox 17.4%, Simulation 11%, Building 8.3%
GPU particle war sim. Console tunes physics to aggregate particles into solids, then split. 16 types, force matrix, 4 factions, mutations, 3 modes (Tutorial, War, Pure). Goal: make particles split like cells.
Why similar: God Game 44.6% ★, Simulation 21.5%, Sandbox 15.3%, Science 9.3%, Physics 9%
Idol Hands is a strategy game where you gradually take over the world by guiding your people and defeating other gods.
Why similar: God Game 55.7% ★, Simulation 23.5%, Sandbox 20.8%
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.
Why similar: God Game 39.4% ★, Sandbox 13.2%, Physics 12.4%, Science 10.9%, Simulation 10.1%
This is a pixel sandbox game where you can place multiple different elements into the scene to create a unique little world.
Why similar: God Game 54.1% ★, Simulation 26.3%, Sandbox 19.2%, Singleplayer 0.4%
MiniEco is a cozy top-down nature sim that combines laid-back idle gameplay, hands-on ecosystem management, and a hint of god-like power. Nurture or disrupt evolving species, shape their habitats, and watch as thousands of organisms adapt—or clash—in real time.
Why similar: God Game 38.5% ★, Sandbox 17.7%, Science 15.3%, Simulation 12.9%, Nature 9.9%
Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time.
Why similar: God Game 41.7% ★, Sandbox 22%, Simulation 20.5%, Science 15.4%, Singleplayer 0.4%
Step into the sandals of Hercules, the greatest hero of antiquity. Face monsters, gods, and your own limits as you live through the legendary Twelve Labors of Hercules in this first-person mythological epic.
Why similar: God Game 55.5% ★, Simulation 26.7%, Physics 11.2%, 3D 6.2%, Singleplayer 0.5%
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.
Why similar: God Game 33.9% ★, Sandbox 15.8%, Science 13.3%, Simulation 13.3%, Top-Down 7.8%
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!
Why similar: God Game 41.8% ★, Sandbox 14.8%, Science 13.7%, Simulation 11.4%, Nature 7.9%
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.
Why similar: God Game 39.4% ★, Sandbox 13.7%, Science 11.4%, Physics 10.2%, Nature 8.3%
Build your very unique bridges and other constructions in a physics based 3d environment
Why similar: Simulation 35.5%, Physics 25.3%, Sandbox 22.2%, Building 17%
Craft the most epic marble runs you can imagine! Use tons of interactive gadgets or create your own. Then choose your marbles and watch them race!
Why similar: God Game 39.2% ★, Physics 15.6%, Sandbox 15.4%, Simulation 12.8%, Building 8.8%
Falling-sand sandbox game with 500+ elements, chemistry, fire, life, food, and anything you can imagine.
Why similar: God Game 40.3% ★, Sandbox 16.8%, Science 15.4%, Building 8.5%, Nature 8.3%
The original Sinking Simulator from 2013 A fun lightweight Sandbox game focused on creating ships and wrecking them using soft body physics!
Why similar: God Game 44.4% ★, Sandbox 15.6%, Simulation 15.2%, Destruction 11%, Building 6.6%
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?
Why similar: God Game 21.4% ★, Physics 15.5%, Sandbox 15.3%, Science 14.1%, Simulation 10.9%
Watch empires rise and fall, or intervene with godly powers, in GalactiWar, a space empire simulation sandbox game.
Why similar: God Game 41.8% ★, Simulation 19.2%, Sandbox 18.9%, Science 10.3%, Top-Down 3.9%
Sand in a Box is a 'falling sand' game that simulates thermal flow, electricity, radioactive decay, and gravity. Create art, experiment with physics, and craft your own simulation rules with user-friendly mod support!
Why similar: God Game 33.3% ★, Physics 13.9%, Science 13.5%, Sandbox 13.4%, Simulation 9.7%
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.
Why similar: God Game 32.8% ★, Voxel 16.9% ★, Simulation 14%, Sandbox 11.9%, Nature 9.8%
An ecosystem simulation running in your hands. Transform a desertic world into a lush forest. No stress, play at your own pace. This world is at your disposal. Terraform the landscape, add plants and animals. Create your perfect ecosystem.
Why similar: God Game 44.3% ★, Sandbox 16.2%, Simulation 14.7%, Nature 9.4%, Building 6.9%
A creative sandbox simulation where you experiment with physical interactions, build structures, and observe emergent behaviors in a world fully under your control.
Why similar: God Game 29.5% ★, Physics 12.6%, Destruction 12.3%, Sandbox 12.2%, Science 11.5%