Top similar games like ClassBoom:

Ribbit Riot! is a one-button chaos game where you unleash idiot frogs to destroy a tiny city. Click the frog button, stack absurd upgrades, and watch everything spiral out of control.

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.

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

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.

Build, experiment, and share in Squares and Stuff, a pixel-retro sandbox game inspired by classic "falling sand" games. Unleash your creativity in an open-ended world filled with sandbox elements like water, paint, fire, sand, animals, humans, zombies, and a controllable 2D platform character.

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

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

Kselebox is a sandbox game, which means you can do whatever you want in it! You can build a rocket and go to explore the vastness of space. Or maybe you want to build a huge car? No problem! Players can save their buildings and then publish them to the Steam Workshop.

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

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.

In "The Space Garden" you can build your own garden across the Universe! Discover, acquire and grow your plants with love as you watch them evolve. Collect fruits by yourself or request help from your "helpers", a race of mini friends who come from nature.

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!

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.

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.

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.

Domino! Is a casual domino simulator where you can freely build domino blocks and trackball blocks.

Dynamic abstract sandbox universe. Changes and evolves as you do.

Pure Simple Physics Fun. Challenge yourself in a chaotic and colourful time trial where there are green squares, that need to be not green!

Create your own mini zen garden in this calming sandbox game. Decorate your beautiful garden with a minimalistic set of objects. Share your garden with others, sit back, and relieve your day’s stress.

The original Sinking Simulator from 2013 A fun lightweight Sandbox game focused on creating ships and wrecking them using soft body physics!

Election Town is a humorous small-town life simulator with a political twist. Build and decorate the house of your dreams, make decisions that will shape the city, and take your part in the election against the current Mayor. It’s Election time and your choices matter most!

An easygoing sandbox game about building towns for cute vegetable folks. Create your perfect community then watch as the gourdlets make themselves at home. No objectives, no points, just good vibes. Play in full screen, or let your gourdlets hang out at the bottom of your screen!

Pilot a drill ship into a vast procedural underground, gathering ore and treasure to fund ever-bigger upgrades. The deeper you go, the more valuable the ore becomes — but fuel runs dry, and the climb home becomes more dangerous. How far down will you go?

You're a genius with the ability to assemble, but you can't do anything in the big city. By chance, you pick up a flyer and find that a new mine has been excavated in a certain town, and if you join now, you will be given a house and a car. You think it's a great time to show what you're capable of.

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!

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

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!

Be ready to get your hands really dirty. In this game you will have to do things that others find too disgusting. Sewage, excrements and blood are just a few examples of what awaits you. You need to be careful or else you will catch an infection. Staying in the hospital means the end of work.

Chaostower - Build and defend, a physics-based action puzzler. Build a tower from a whole bunch of different parts and prove it against several natural forces like earthquakes, wind and meteors. Defend your tower against artificial enemies, like robots, tanks, bomb-birds and many more.

Small rubber ducks calmly swim in the pool and you can watch them to relaxing music. What can go wrong?

Shroomlings is a peaceful survival-craft game about building, exploring, and automating life on a remote island. Gather resources, craft machines, and shape the world at your own pace — no combat, no rush, just you and the Shroomlings.

Sand, powder, life simulation game

Curiosmos is a whimsical space sim where you build your own solar system by crafting planets, gravity, atmosphere, and life! Embark on an adventure to discover the secrets of the universe in this charming ode to outer space ✶