Sediment
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.
The top results based on the latest update are Sand:box [Score: 1.3], Sandboxels [Score: 1.2] and Sand in a Box [Score: 1.2] The top rated games you can find here are Automation - The Car Company Tycoon Game [SteamPeek Rating: 8.8] ranked #28, Sand:box [SteamPeek Rating: 6.9] ranked #1 and Sandboxels [SteamPeek Rating: 6.6] ranked #2 Also don't forget to check the newest releases Rat Overflow [Release date: 2026-03-12] ranked #24, Stardust Sandbox [Release date: 2026-03-03] ranked #12 and Jingjie: Signals [Release date: 2026-01-30] ranked #10 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Virtual Circuit Board [SteamPeek Rating: 5.2] ranked #22, Automation - The Car Company Tycoon Game [SteamPeek Rating: 8.8] ranked #28 and Terra Firma 2 [SteamPeek Rating: 4.9] ranked #31.
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.
"Falling sand" style particle sandbox, now with circuits and stickmen!
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!
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?
Craft the most epic marble runs you can imagine! Create crazy chain reactions with physics, pinballs, and tons of other gadgets. Invent your own trigger-based contraptions and watch your marbles race!
A 2D sandbox game with pixel physics. Freely place sand, water, lava, creatures, and physical entities. Watch them interact via gravity, fluids, and explosions. Chop trees, build structures, design circuits, trigger massive chain reactions, or simply create your own ecosystem!
Keyclash is a simple tower defense roguelike about building on keyboard keys and surviving as long as possible.
Explore and create parametric creatures
You are an astrobiologist stranded on a lifeless planet. Breathe new life into this mysterious world by gathering plants, animals, and research upgrades to help it grow back to its full potential. Collect, breed, and evolve over 90 cute and quirky Critters to help you on your journey back home!
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.
Run a Chinese xianxia alchemy chamber. Consume pills to gain Cultivation and ascend thirteen realms from Qi Refining to Dao Ancestor. Spend Spirit Stones on better alchemy rooms and furnaces, Cultivation on five talent paths, and saved pills on artifacts; reincarnate for permanent Fortune.
A creative sandbox simulation where you experiment with physical interactions, build structures, and observe emergent behaviors in a world fully under your control.
A 2D creative sandbox where every tile is a tiny machine. Inspired by Redstone, LEGO, and Tabletop Simulator. Create and play solo or with friends.
Explore the elements of Fractala Sandbox and its large-scale physics-based simulation. A pure sandbox experience featuring everything from wavy water and sticky slime to viscous lava, coiling honey, squishy jelly, compressible snow, piling sand, aerodynamics, solids, rope, fire, and explosives!
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..
Factor Y is a relaxing, large-scale, multi-planetary, mega factory automation game. Mine resources, craft new items and structures via recipes and generate your own, custom building blocks. Expand your factory to span across multiple planets.
A falling-sand sandbox built on the **real periodic table**. Every element has genuine physical properties, and reactions emerge from real chemistry — rust iron, ignite thermite, run a galvanic cell, split a uranium pile to criticality. Discover it all in an encyclopedia that fills as you play.
Charge is a level-based puzzle game where you control the flow of charge around a circuit board. Arrange pre-built components into wondrous machines that take advantage of available resources and design your own modules from scratch.
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.
Click, build, upgrade and automate! Click to gain resources, build to increase resource gathering potential, automate to get more and more, faster and faster, both passively and actively. Upgrade buildings, stats, and see the numbers go up!
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!
Virtual Circuit Board is the sandbox drawing-based logic simulator where you can build, program, decorate, and simulate anything from simple monochrome circuits to complex and colorful computers. Play with digital logic in this sandbox-only experience.
Blub Emporium is an isometric management game where you gather resources from the wild, then build factories to produce things to sell to creatures known as Blubs in your shop. Collect tonnes of unique items, design and decorate your shop, and so much more!
Rat Overflow is an adorable rat breeding simulator about genetics, glory, and having way too many rats. Develop your show winner bloodlines and breed thousands of unique rat coats!
Space Simulator and Music Machine!
Eureka! Superconductor Lab is a crafting+simulation game where you synthesize materials and witness the astonishing scientific phenomena. Work alongside scholars, science geeks, and your girlfriend to synthesize the Holy Grail of modern physics: a room-temperature superconductor!
An immersive first-person sim that lets you taste the life of a restaurant owner. Be a chef, a waiter, an interior decorator. Open your own place and make it #1 in the town!
Make your dream cars a reality with Automation’s unparalleled car and engine design tools. Gain a competitive edge through smart engineering and business decisions to help you build an automotive empire. Will you become an industry leader, or just a footnote in automotive history?
Survive and evolve as an organism with this simulation game in which you will literally start as a single cell and manage and organize all its functions to a fully fledged system! Assemble, breathe, eat, fight threats, produce energy, grow, anything is possible!
Gas reaction simulator. Build the ultimate jet engine, solve puzzles, or just make everything explode!
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.
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.
Grow real plants in your own microgravity cube-sat terrarium. Build, prune, water, harvest, and learn botany through a simulation based on real behavior.
Transform your childhood home as you build brilliant factories and forge lifelong friendships, then reach for the skies and finally finish your family's dream - your mother's precious rocket ship. Roll up your sleeves, it turns out that saving this town really IS rocket science!
"Platform Rush: Tokyo Station" is a cozy pixel-art station manager. Manage commuter crowds, upgrade concourses, and schedule trains. With scalable windowed mode, it can also double as a cute "Desktop Pet" to watch passengers wander the platforms while you work!
Painters Guild is a management sim where you control an art academy in the Italian Renaissance. Paint artwork as beautiful as the Mona Lisa. Hire painters like Leonardo da Vinci and millions of randomly generated ones. Expand and customize your guild with furniture and more.
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