Top similar games like PLANETOON:

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.

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

Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.

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

An orbital mashup of physics, puzzles, and business simulation! Navigate packages through a galaxy using gravity and tools like slingshots, mass drivers, and cannons. Create your own levels & share them with the world via Steam Workshop. The ultimate space delivery challenge awaits!

Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.

Casual puzzle game on a cosmic scale. Build stars, planets and other cosmic objects. Evolve your cosmos using abilities of the stars from stellar winds to supernova.

Do you enjoy playing around with the physics in games? Then this is the game for you. Stack Masters is built around exploring that concept in a competitive way. Including a built in level editor and Steam Workshop support, the game offers a never ending supply of physics sandbox gameplay to explore.

Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.

Draw on a planet and watch physics answer. A climate, ocean and erosion simulator you can edit with a brush — dry the Mediterranean, green the Sahara, stall the Atlantic conveyor. 38 scenarios across the Solar System, Cretaceous Earth and five real exoplanet systems.

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

47 million probes were launched into the void. Yours just found something alive. A living universe simulation where evolution never stops — not even when you do.

Mesmerizing incremental idle clicker game about space. When objects collide, you receive matter. Use this matter to unlock and upgrade objects in your star system. Use powerful Abilities. Dive into the Prestige system (Warp) with a wide Skill Tree, and discover new star systems with new bonuses.

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!

In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.

Drop and merge planets to create your ultimate galaxy in this space-themed puzzle game. Compete in the leaderboard with unique abilities and planets, and play your way with normal, vanilla and chaos modes. But always make sure your planets don't go over the limit.

A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.

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.

A challenging Suika-like with no ground and an end

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.

Devilishly difficult but insanely rewarding physics puzzler. Play through 85 levels of diverse and ingenious physics-based challenges.

Explore the cosmos as a comet, orbiting planets with a realistic gravity system and a backdrop of procedurally generated nebulae. Learn to use planetary gravity to your advantage, and relax in the ambience of space.

Colorgrid is a puzzle game about mixing colors in a Lab. Find the correct positions for your lasers and mirrors to get the right mix of colors in each material.

Gravity Game is a puzzle-style infinite physics simulation. You are tasked with escaping your home planet, and reaching the goal at another! This game uses real Newtonian Physics in a simple 2D simulation, as a way to help people visually understand the mechanics. 

Mine asteroids, trade minerals and chart an endless, procedurally generated galaxy in a relaxed 2D space sim. Then pin it to your desktop as a live wallpaper: your ship keeps flying, mining and discovering while you work

A cosmic idler that goes SUPERNOVA. Drag mass into your sun, grow it from spark to stellar and watch every upgrade stack. Linear. Exponential. Then genuinely SUPERMASSIVE.

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..

Merge planets together in this puzzle game with soft physics. Can you make it to the sun? Can you merge two suns? Find out for science!

Logos Orbit is an emergent cosmic tuning simulation where you rewrite the "Logos" of an ever-expanding universe to control the collision and equilibrium of stars. Place gravity-altering Sigils to tune the orbits of star systems on the brink of collapse.

Will you use the gravity of the planet or jump through a black hole? It’s up to you. Set an angle, speed and just watch how unsuspecting colonists fly through the space hoping, that they won’t end up flat as a pancake on some meteorite. Puzzle game with unique story will put your brain to the test.

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 ✶

The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.

Solar Sandbox is a space engine that allow for player to simulate n-body physics in space. Simulate large n-body physics or how would the Earth be effected by you changing it's orbit or how how many Jupiters you need to combine to get a star.

Sling new worlds into orbit inside real photographed skies. A zen physics game about gravity, patience, and the quiet joy of watching something you made keep turning. Fifteen handcrafted star systems. Every failure is a beautiful explosion.

A minimalist physics roguelite where you create a mesmerizing cascade of droplets. Choose from three distinct modes and discover powerful upgrade synergies to master the flow. Calm, complex, and endlessly replayable.

This is an incremental game where you become a cozy destroyer of worlds.