Top similar games like Reactonix Sandbox:

A physics sandbox built on real chemistry. Drop 674 materials into a falling-sand world and watch them react, burn, freeze and explode. Then wire circuits, test wings in a wind tunnel, or split light through lenses — alone or with friends online.

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

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.

EDEN is a physical sandbox. No limits, create worlds and play the way you want! To create worlds, we give you a large set of tools, game mechanics, smart and not so smart NPCs, cars, weapons and many other interesting things.

Your company is going global. Use big machines to demolish huge buildings or go close and personal and use your hammer. Buy land properties, upgrade your machines and hire workers in different parts of the world.

A 3D material simulation sandbox for building machines, running experiments, and seeing what happens.

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

LocoMo is a cozy city builder and living-world sandbox where you play as the village itself. Build a living world where thousands of customizable tiny villagers travel, play, and socialize. Grow towns, design routes, and connect it all with paths, trains, boats, and planes.

Create your own level with your friends online in the sandbox mode, play the mini-games, ragdoll, drive a car, fly with a Jetpack, fart to go higher, throw grenades. Access more than 45 items to build your own level.

Real gears that don't slip in a mechanical invention sandbox. Build freely with resizable parts and shapes, overcome physics challenges, and follow kit instructions. Unleash your engineering creativity with intricate clockwork contraptions, steam-powered systems, and fully functional circuits.

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.

Mod&Play - physics sandbox. Manipulate objects and create your own constructions with friends. There are no restrictions or goals, it all depends on you.

You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions.

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..

In this physics-based particle sandbox, everything is in flux: water, steam, ice, magma, acid... Blast it. Wreck it. Build it!

Pebble to Star is an idle growth game. Swallow the bodies that drift past and raise a grey pebble into a planet, a star, even a black hole and a galaxy, immersed in an ever-changing universe.

Real engineering simulation with any projectile, any target, any material. Test Fire is an armor penetration sandbox with a campaign of engineering challenges and an open sandbox editor for making (and breaking!) whatever you want.

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.

Tiny Lab is a cosy chemistry puzzle game where you build molecules atom by atom, experiment with reactions, discover new elements, and solve increasingly complex chemistry challenges.

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

A co-op physics comedy for 1-4 players about building a rocket out of garbage. Scavenge a landfill planet, drag the junk home, and hold it together with duct tape, straps, bolts and welds. Then strap in, fire the flare, and find out how good your worst joint really was.

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

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

Build a computer from a single NAND gate, together: online co-op for up to 4 players on one board. Wire relays into logic, memory and a 16-bit CPU with a pipeline and a cache, then program it. Robots in mazes, Nim, even a shooter on your own CPU. Level editor and Steam Workshop.

The genre defining VR model train game. Build and ride the model train layout of your dreams without the cost and excessive model foam dust getting in your nose!

The world doesn't deserve to exist. Nothing matters anyway. Destroy and burn things alone. Or get your nihilistic friends and throw things into the fire together.

Become a ragdoll and create your own environments in Sandbox Mode, explore worlds created by others, or just flop around your destructible sets! Fun with Ragdolls®: The Game lets you enjoy everything you love about ragdolls!

Lofi Haven integrates rich lofi tracks with white noise to build your ultimate sanctuary. Decorate your space and bond with customizable, adorable pets during breaks. No matter how busy life gets, here is your personal harbor to relax, focus, and recharge your soul.

Create your own Medieval Kingdom and watch your world come to life in this minimalistic city builder. Choose your world's size and shape, and turn it into a kingdom any ruler would be jealous of.

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.

Physics-based cross-play mechanic simulator. Become a real engineer, create new mechanisms and build your worlds. Craft, join & share your creation across PC and mobile devices. Play with your friends beyond one platform.

Cook, create, and run your dream restaurant. Master realistic cooking mechanics, invent original recipes, satisfy demanding guests, and build your culinary reputation. Play solo or team up with friends in optional co-op. Become the Chef Everyone Talks About!

White Christmas is a cozy multiplayer winter playground set in a snowy village. Build snowmen, trade gifts, rent skates, throw snowballs, and warm up at the Christmas market. Host a village with friends and turn a school-free snow day into shared holiday chaos.

Build your dream life in Yooca, a cozy multiplayer life sim set in a vibrant online city. Express yourself through deep avatar and home customization, bond with your loyal Yooca companion, and join a heartwarming community. From mini-games to chilling with friends, how will you live your best live?

Cosy Loops is a stress-free casual game. Forget about resource management—simply use your mouse to shape terrain, lay tracks, and plant lush greenery. Relax to soothing music as your little train explores your creations. It’s a peaceful, personalized canvas entirely up to you to draw.

Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?