Alembic
A falling-sand sandbox built on the real periodic table. Every element has genuine physical properties, and reactions emerge from real chemistry…
90% of 29 Steam reviews are positive$4.99
Games like Combustor
If Combustor scratched a relaxing and minimalist itch for you, keep reading. These games could fill that gap nicely.
The Powder Toy
Build a nuclear reactor, wire a working computer, or just drop a bomb on your own city and watch the fallout drift. Runs on nearly anything, and one more experiment is always five minutes away.
Relaxing, Minimalist, Retro
98% of 3,128 Steam reviews are positivePlayers online now: 155FreeMeco Rocket Simulator
A rocket engine design sim with real physics. Design, build and test engines hands-on: wire pumps, injectors and nozzles on a node graph. Live graphs and 3D hardware answer every change. Learn step-by-step in 14 guided missions, or take complete control in free build. Recreate the Merlin 1D.
Relaxing
81% of 16 Steam reviews are positive$49.69Alembic
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.
Relaxing
90% of 29 Steam reviews are positive$4.99Firework Simulator
Play with a variety of fireworks and even make custom ones yourself using different containers, powders and colors.
Relaxing
50% of 2 Steam reviews are positive$9.99FWsim - Fireworks Display Simulator
Light the sky and express your creativity with the sandbox simulator FWsim – Fireworks Display Simulator! Enjoy an easy-to-master professional software used by fireworks experts all over the world, and use your favorite music and 3D iconic landmarks to create unique, unforgettable moments.
Relaxing
96% of 120 Steam reviews are positivePlayers online now: 2$49.99Fire Place
Savor the simple pleasure of building and maintaining a fire. Best enjoyed during seasonal gatherings and cold, dark nights.
Relaxing
52% of 67 Steam reviews are positive$4.99Sandboxels
A falling-sand sandbox with over 500 elements and thousands of reactions between them. Pour water on hot metal, grow a tiny ecosystem, cook a pixel pizza, or just watch fire spread. No goals, no failure, no timer: a toy box of chemistry and physics you can poke at for five minutes or five hours.
Relaxing, Minimalist, Retro
94% of 1,181 Steam reviews are positivePlayers online now: 38$0.99Steam Engine Simulator
A real steam engine simulation, born from a C++ experiment, turned into a small game. Open the throttle, watch the pistons move, listen to the steam hiss and learn how a boiler actually thinks. No missions, no timers: just you, the gauges, and a machine that rewards patience.
Relaxing
98% of 9,060 Steam reviews are positivePlayers online now: 18FreeFalling Cubes
3D falling sand simulation. Experiment to unlock new materials. Reactions, Temperature, Pressure are your tools to discover over 200 unique cube types.
Relaxing, Minimalist
100% of 1 Steam reviews are positive$5.99Water 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.
Relaxing
75% of 12 Steam reviews are positive$7.99Nucleares
Run a nuclear power plant from the inside: over 200 parameters, 150 switches and a reactor that does not forgive sloppy work. Keep the lights on, handle emergencies, and learn the hard way why this job pays well. A deep, demanding simulator for people who like their problems complicated.
84% of 1,147 Steam reviews are positivePlayers online now: 27$14.99Volcano Simulator - Reunion Island
A unique and interactive lava simulator ! Interact in real-time with eruptions in photorealistic and dynamic environments. Create eruptions, control flow, pressure, temperature, and see the result in beautifully rendered 3D landscapes !
Relaxing
96% of 26 Steam reviews are positive$12.99
Cheaper than Combustor
Sandboxels
A pixel sandbox where every powder, liquid and gas reacts, and the only goal is the one you set yourself.
94% of 1,181 Steam reviews are positivePlayers online now: 38$0.99
Fire Place
Savor the simple pleasure of building and maintaining a fire. Best enjoyed during seasonal gatherings and cold, dark nights.
52% of 67 Steam reviews are positive$4.99
Unwanted Xmas Gift Burning Simulator
Under Santa's watchful eye, burn wood logs, wrapped gifts, or a random mix from the elves' workshop.
100% of 2 Steam reviews are positive$1.99
ComPressure
Design increasingly complex computation units powered by high pressure steam.
86% of 65 Steam reviews are positive$4.99
Sand:box
Mix pixel particles into contraptions, from simple circuits to floods of sand, all at your own unhurried pace.
93% of 1,729 Steam reviews are positivePlayers online now: 24$1.99
POWDR
POWDR is a high performance interactive particle sandbox featuring realistic fluids, sands, solids, interactions, and more! Every pixel is simulated.
100% of 2 Steam reviews are positive$4.99
Microwave Simulator
An absurd sandbox where you put random objects in a oven and see what happens. Heat, melt, explode, or discover the unexpected.
100% of 4 Steam reviews are positive$4.99
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…
$1.99
Powdertron
A physics sandbox built on real chemistry. Drop 674 materials into a falling-sand world and watch them react, burn, freeze and explode.
67% of 6 Steam reviews are positive$4.99
Project Chemistry
Interact with elements and molecules in a way that you have never before! Observe them and make them react with each other in the sandbox mode.
84% of 158 Steam reviews are positivePlayers online now: 2$4.99
PixPhys
PixPhys is a 2D engineering sandbox with huge technical possibilities and scope for imagination: design equipment from a jet-powered cart to space…
73% of 193 Steam reviews are positivePlayers online now: 1$3.99
Hidden gems like Combustor
Atomcraft
Mine, smelt and automate your way across a simulated world, chasing every element to fix your ship.
95% of 443 Steam reviews are positivePlayers online now: 11$14.99
Sandboxels
A pixel sandbox where every powder, liquid and gas reacts, and the only goal is the one you set yourself.
94% of 1,181 Steam reviews are positivePlayers online now: 38$0.99
Virtual Interactive Fireplace
A cozy, retro-inspired hearth to warm your screen and your spirit.
92% of 321 Steam reviews are positivePlayers online now: 6Free
The Powder Toy
Mix elements, build contraptions and watch your experiments blow up in pixel-perfect fashion.
98% of 3,128 Steam reviews are positivePlayers online now: 155Free
Nuclear Design Bureau
Draw your design on the grid, run a real detonation simulation, and figure out why it fizzled or why it did not.
79% of 448 Steam reviews are positivePlayers online now: 76$9.99
Sand:box
Mix pixel particles into contraptions, from simple circuits to floods of sand, all at your own unhurried pace.
93% of 1,729 Steam reviews are positivePlayers online now: 24$1.99
Firefighting Simulator: Ignite
Grab a hose, coordinate with your crew and take on real-time blazes across a Midwest city, one emergency call at a time.
81% of 2,140 Steam reviews are positivePlayers online now: 113$34.99
FWsim - Fireworks Display Simulator
Light the sky and express your creativity with the sandbox simulator FWsim – Fireworks Display Simulator!
96% of 120 Steam reviews are positivePlayers online now: 2$49.99
Nucleares
From coolant pumps to control rods, every switch in the plant is yours to manage, and one careless move can bring it all down.
84% of 1,147 Steam reviews are positivePlayers online now: 27$14.99
Steam Engine Simulator
Fire a real steam engine by feel: manage the boiler, read the dials and let the machine teach you how it works.
98% of 9,060 Steam reviews are positivePlayers online now: 18Free
Rasvyat Nuclear Power Station
A co-op RBMK reactor simulator, with a detailed control room, realistic physics and authentic sound design
80% of 165 Steam reviews are positive$9.99
Spaceflight Simulator
Assemble rockets from real parts and take them from the launch pad to the far reaches of the Solar System, one failure at a time.
96% of 9,667 Steam reviews are positivePlayers online now: 148$14.99
Newest games like Combustor
Fireworks Show Simulator
Design professional fireworks displays from a top-down view. Watch your show from any viewpoint in a fully 3D world.
100% of 5 Steam reviews are positive$7.99
FluxWerks
Build a factory inside a destructible voxel world, tunneling, managing heat and letting your nanobot swarm handle the rest.
90% of 109 Steam reviews are positivePlayers online now: 21$24.99
POWDR
POWDR is a high performance interactive particle sandbox featuring realistic fluids, sands, solids, interactions, and more! Every pixel is simulated.
100% of 2 Steam reviews are positive$4.99
Nuclear Design Bureau
Draw your design on the grid, run a real detonation simulation, and figure out why it fizzled or why it did not.
79% of 448 Steam reviews are positivePlayers online now: 76$9.99
Alembic
A falling-sand sandbox built on the real periodic table. Every element has genuine physical properties, and reactions emerge from real chemistry…
90% of 29 Steam reviews are positive$4.99
My Fire Is Bigger Than Yours
Throw things into a tiny campfire, chain reactions together and let the whole layout spiral into absurd, screen-filling mayhem.
77% of 262 Steam reviews are positivePlayers online now: 9$5.99
Sandustry
Sift gold from sand, build factories that grow with you, and uncover what an ancient civilization left behind.
97% of 5,714 Steam reviews are positivePlayers online now: 1,297$19.99
Atomcraft
Mine, smelt and automate your way across a simulated world, chasing every element to fix your ship.
95% of 443 Steam reviews are positivePlayers online now: 11$14.99
Microwave Simulator
An absurd sandbox where you put random objects in a oven and see what happens. Heat, melt, explode, or discover the unexpected.
100% of 4 Steam reviews are positive$4.99
Kobold Delvers
Guide small kobolds through dangerous caves in a 2D puzzle game built around simulated materials.
82% of 17 Steam reviews are positiveFree
Chernobyl: Simulator
You sit at Reactor 4's control desk, rods, gauges and alarms all yours to manage.
91% of 87 Steam reviews are positivePlayers online now: 3$15.99
BonfireSimulator
A relaxing simulation game about lighting and managing campfires. Chop down trees and nurture the embers to build a large, beautiful fire.
82% of 17 Steam reviews are positive$7.99