Top similar games like Planetary Sim:

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.

The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.

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.

Build an industrial base among the stars. Gather resources, manufacture ships, research technologies, and explore unknown regions of space. The core gameplay can be played offline, while alliance features add online missions and cooperative construction.

Galactic Simulator is a clicker game based on the Fermi Paradox and the Great Filter theory. Players can simulate the evolution of celestial bodies and civilizations in the galaxy from an observer's perspective. The game supports multiplayer mode. Create a unique galaxy with friends!

Apple Ring is a free multiplayer online game. Players can win apples and become the winner in each match. Apples and rings are convertible, enhancing your community collection in the future. Real-time communication with others is possible during the game.

An idle/incremental game about a lone radio operator keying into a silent universe. Click or walk away, both work just as well. Build your station, log distant contacts, retune to grow stronger, and slowly decode what answers back.

A pixelated idle clicker about taking planets apart, layer by layer. Build a combo, buy a fleet, automate the grind, and push through a galaxy that for now seems devoid of life... Or is it?

Grab planets, set them in orbit, and nurture life in PLANETOON, a galaxy-building puzzle sim. Discover cosmic surprises and over 60 endings. Complete the ending collection to unlock Endless Mode, and see how far your own galaxy can grow.

Take control of a high-contrast terminal in System.Execute, a retro-styled incremental idle game. Generate FLOPS, upgrade through 15 tiers of hardware, prestige into Neural Weights, install optimization nodes, choose an endgame Protocol, and climb the global leaderboard.

An idler game where you get to build up the universe from scratch. You are a part of an advanced space civilization that builds universes.

Fight off a galactic threat in this idle clicker game. Battle waves of enemy ships, progress actively or passively, and save humanity. With over 200 high-quality ship models and background mode, watch your fleet soar across your desktop while you work!

Grow from a tiny particle into a cosmic force in this arcade-style level-up game. Absorb matter, gain abilities, and consume the universe in a fast-paced journey of endless growth and transformation.

A simple idle, clicker game where you create atoms and feed them to a black hole. Unlock new elements, upgrade your stats, resources, and watch the numbers go crazy

Explore a seed-driven galaxy where every ship, planet, and dungeon is generated at runtime. Dogfight pirate wings, land on 20 kinds of worlds, raid surface sites on foot, and build a fleet from salvaged hulls, solo or in Steam co-op. The same seed rebuilds the same galaxy, every time.

A Game About Getting Bigger is a loot-driven incremental game about feeding a growing black hole. Destroy celestial bodies to make the black hole at the center grow larger and larger.

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.

An online space-mining idle incremental game that lives in the corner of your screen. Mine alongside other pilots, unlock automatic mining, upgrade your ship, and build your own orbital station while you work or browse.

Spinning tops coast, collide and pay. Click to blast them apart, then slam them back together. The harder they meet, the more you earn. Spend it on 68 skills, then build the arena itself: bumpers, energy barriers, one-way gates. There is no winner. There is only the next collision.

You are the lightning. Charge a dying machine, crack it open, and grow from a centimetre-wide spark into the brightest event in the universe. An incremental across seven worlds of scale, where every collapse makes you stronger.

Harvest energy across the solar system. Build generators on alien worlds, prestige for Dark Energy, and construct a Dyson Sphere around the Sun. Ten planets. Infinite power. One way home.

Build your empire. Name a star. Leave your mark on the universe forever. Explore space in this incremental idle game. Visit other players' stars, conquer their systems, discover powerful synergies, and automate your space empire.

A physics-based incremental game where you split and merge orbs

Adam has crash-landed on an alien world with Eve, a human restoration device. Rebuild civilization from a single human, develop cities, and combine technology with cultures unlocked through alien diplomacy to fuel explosive population growth in this sci-fi incremental simulation.

A short incremental game where you control a black hole. Devour matter, unlock upgrades, and combine talents to grow stronger. Automate your gains and push toward the ultimate Collapse.

Ready to be an interstellar mining tycoon? In Astrovein, fit the right modules and mine each star system at top efficiency. But a full hold draws pirates: fight beside your captain, or man the turret yourself. No time? Your captains mine on quietly in a corner of your screen.

Incremental clicker/idle and narrative game where you crush empty cans, sell the aluminum, upgrade your equipment, and buy factories and automatic presses to automate the process. Discover what happened to your wife and son as you try to save Aluminum City from an evil villain.

My Little Cosmos is a light idle clicker game that runs quietly in the background. Keyboard input and mouse clicks from everyday computer use automatically drive the evolution of a universe, with inventory rewards dropping over time.

Become the right hand of the Creator in the search for lost perfection. Collect the light of billions of stars, guiding them into the heart of a black hole to find the one — Pure Idle. Technologies, production chains, and a long journey to the most beautiful star in the universe.

Cats to the Moon is a short incremental game about leading a nation of silly cats as they attempt to become the first ever to land on the moon. Explore space, build your city, and most importantly, reach a place no other cat has ever been.

Smash a protoplanetary disk with your cursor, choose what your new world is made of, and put it in orbit. Watch life appear, cities spread across its surface and your star system slowly fill up. A short incremental game about building planets.

A cosmic idle game where comets shatter neon rings. Prestige into Cores, build a 269-star constellation with a Star Limit that forces real choices, then dive into timed Rifts and 4-floor Vaults for endgame loot. No forced ads, fair monetization, made by a solo dev.

Distance is a minimalist mind-blank idle game where your keystrokes drive a lone starship forward through an endless stretch of space.

Strange Shores is a 1–4 player online fishing game you play from the corner of your desktop. Catch over 100 fish and unusual items, share catches, send emotes, and unlock new locations. Work, study, chat, watch... FISH!

Reactonix is a flexible and enjoyable simulation sandbox where every force is at your command. Create ecosystems alone or with friends, experiment with physics and watch life evolve—or start an apocalypse for the sake of science. Complete freedom to create and destroy is in your hands.

Tend a newborn star in the corner of your desktop. Gather light, raise worlds and guide their people from the first fire to the stars. Collapse your sun in a supernova, decipher a lost alien alphabet, and, at the very end, tear open a black hole into the multiverse.