60+ similar titles based on shared tags and player behavior. Themes include Simulation, Sci-fi, Space Sim, Clicker.
In Dyson Era Idle, harness stellar power to build cosmic megastructures. Research technologies, select unique stars, and construct increasingly efficient Dyson Spheres. Transform theoretical astrophysics into a captivating idle experience of galactic engineering.
Rionag: Survey Fleet
Rionag: Survey Fleet is a top-down starship builder and logistics game where it's your job to balance the needs of the crews with cutting-edge equipment on board. Unlock tech that adds new capabilities for your ships to go through hazardous environments, enabling you to explore new worlds.
Cell to Singularity - Evolution Never Ends
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.
Rionag: Survey Fleet is a top-down starship builder and logistics game where it's your job to balance the needs of the crews with cutting-edge equipment on board. Unlock tech that adds new capabilities for your ships to go through hazardous environments, enabling you to explore new worlds.
Why similar: Space Sim 31.9% ★, Science 26.3% ★, Automation 13.6%, Futuristic 7.6%, Simulation 7.6%
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.
Why similar: Science 36.6% ★, Clicker 32.6%, Idler 16.6%, Simulation 9.5%, Sci-fi 3.1%
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!
Why similar: Space Sim 22.2% ★, Clicker 17.9%, Science 14.2% ★, Idler 12.1%, Automation 10.3%
OnOrbit is a virtual space lab lets you assemble and operate space hardware as if you were actually in space. Make your own craft in a sandbox mode, then simulate its operation as part of the Supernational Space Cooperative (SSC). Climb the ranks and head out to the planets.
Why similar: Space Sim 29.5% ★, Science 27.8% ★, Futuristic 10%, Realistic 9.2%, Sci-fi 9.1%
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!
Why similar: Space Sim 31.2% ★, Clicker 20.6%, Idler 18.6%, Simulation 8.9%, Realistic 8.5%
Experience cosmic harmony in this Katakamuna-inspired idle game. Gather "Ka," the essence of all existence, and weave the 80 verses of the Katakamuna Utahi. As an idle game, actions automate as you progress, allowing you to create harmony through color and sound, even when offline.
Why similar: Space Sim 29.1% ★, Clicker 17.6%, Idler 17.1%, Automation 16%, Sci-fi 7.7%
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.
Why similar: Space Sim 24.6% ★, Clicker 21.8%, Idler 21.4%, Science 12.2% ★, Simulation 10%
Celestarium, an astronomy game where you start as an amateur astronomer. Discover and map planets, sell data to corporates, improve your gear, start your own space agency, manage your own missions, build and fly rockets to discovered bodies. Explore, prosper and expand your presence in space.
Why similar: Science 27.4% ★, Space Sim 20.9% ★, Sci-fi 11.9%, Futuristic 11.5%, Realistic 9.9%
Start with one machine. Scale to a galaxy-supplying coffee empire. Hire 33 alien workers, survive Rush Hour chaos every 8 minutes, and boss-fight your way to prestige resets that unlock permanent upgrades. Free to play. No paywalls.
Why similar: Space Sim 25% ★, Idler 22.8%, Clicker 22.1%, Futuristic 12.3%, Sci-fi 10.9%
Start as a microscopic speck, become the end of everything. Void Core is a minimalist sci-fi idle game where you control a black hole. Harvest matter, bend spacetime to automate your growth, and consume entire galaxies. Consume. Grow. Evolve.
Why similar: Idler 23.8%, Space Sim 23.6% ★, Clicker 22.7%, Automation 17%, Simulation 8%
From the manufacture of monoatomic hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon, to the creation of the earth, from apes to Homo erectus, to nuclear weapons, rockets, to artificial intelligence, to exploring the universe.
Why similar: Science 28.9% ★, Clicker 18.6%, Idler 18.4%, Automation 15%, Sci-fi 7.3%
In Catch The Beaukes, Beaukes (spheres) fall from the sky, and you need to collect them to earn money. Then you can upgrade things so you earn even more!
Why similar: Clicker 30%, Collectathon 25.1%, Idler 23.4%, Simulation 21.1%, Singleplayer 0.3%
This is a simple idle clicker game. Grow your item collection using points and strive to reach the ultimate goal of 99,999,999 points!
Why similar: Clicker 35.1%, Idler 28.1%, Collectathon 20.8%, Automation 15.2%, Singleplayer 0.5%
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.
Why similar: Space Sim 29.6% ★, Clicker 19.3%, Idler 19.1%, Simulation 12.2%, Realistic 7.5%
Build floating automated rigs in a volatile gas giant. Extract elements, synthesize compounds, and descend through atmospheric layers in this sci-fi systems-builder focused on chemistry, engineering, and survival.
Why similar: Science 29.6% ★, Space Sim 21.1% ★, Automation 18.2%, Sci-fi 8.6%, Base Building 7.1%
A classic fantasy MMORPG powered by uMMORPG—discover dungeons, fight powerful creatures, forge rare equipment, and shape a living world alongside hundreds of players.
Why similar: Space Sim 37.9% ★, Science 35.8% ★, Sci-fi 13.6%, Simulation 10.2%, Cinematic 2.1%
Mine the cosmos in this idle space clicker! Collect rare resources, build powerful equipment, upgrade your ship, and unlock new stellar bodies. Rescue crew, automate mines, and uncover the secrets of the stars.
Why similar: Space Sim 32% ★, Clicker 28.5%, Idler 23.2%, Simulation 10.1%, Sci-fi 6%
Welcome to Beer Onsen Resort! As both Brew Master and Resort Manager, you’ll concoct extraordinary brews, infuse them into steaming hot springs, and pamper wandering spirits from every corner. Rack up gold, unlock arcane recipes, and turn this retreat into the spirit realm’s hottest getaway!
Why similar: Clicker 24.7%, Collectathon 21%, Idler 20%, Simulation 16%, Automation 13.5%
Space Colonizers is a simulation and strategy idle game of Sci-Fi adventure theme. To explore more planets and meet cute aliens, you have to constantly install parts and upgrade spacecraft.
Why similar: Space Sim 35.1% ★, Clicker 22.9%, Idler 15%, Simulation 9.3%, Futuristic 8.6%
An idle incremental adventure in space! Mine asteroids while fighting off enemy AI drones. Build your own AI drones, mining lasers, helper drones and more. Collect hundreds of rewards and unlock a variety of features that will help your ultimate goal: making numbers go up (or sometimes down).
Why similar: Space Sim 23.4% ★, Idler 22.9%, Clicker 22.1%, Sci-fi 12.3%, Simulation 11%
Transform simple ingredients into delicious dishes in Professional Chef. Buy, cook, sell, upgrade, and unlock new recipes. Optimize your processes, master every detail, and rise to culinary excellence in this engaging idle cooking experience!
Why similar: Clicker 28.7%, Idler 23.4%, Automation 21.8%, Simulation 10.7%, Point & Click 7.7%
In Delos, you are the space traffic controller managing the flow of ships at a bustling space station. Direct docking, allocate resources, and prevent collisions in a real-time strategy setting. Balance efficiency and safety to maintain order in the interstellar hub.
Why similar: Space Sim 48.9% ★, Clicker 16%, Sci-fi 15.1%, Simulation 13.8%, Point & Click 5.8%
The most scientifically accurate space warfare simulator ever made. Now with Steam Workshop!
Why similar: Science 33.7% ★, Space Sim 19.7% ★, Realistic 16.6%, Simulation 16.3%, Sci-fi 13.3%
Guide a coworker through a hostile mining facility using a malfunctioning security terminal. Finish the day’s jobs, avoid a deadly alien, and survive long enough for the escape pod to launch.
Why similar: Space Sim 44.5% ★, Clicker 25%, Simulation 20.1%, Point & Click 10.2%, Singleplayer 0.3%
Explore the uncharted territories of the Kuiper Belt in a deeply immersive virtual reality experience. Hone your skills in spacecraft docking, engage in strategic asteroid sampling, and unveil the secrets of this distant region of our solar system.
Why similar: Space Sim 32.4% ★, Science 24.7% ★, Realistic 8.3%, Cinematic 8.2%, Futuristic 8%
231 real materials. 352 accurate recipes. Build a Hyperdrive Engine using actual chemistry. Your factory grows. Your efficiency improves. Someone notices. Every decision is logged. Welcome, Director.
Why similar: Science 34.5% ★, Automation 17.6%, Simulation 13.7%, Realistic 12.6%, Sci-fi 9.7%
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries. Then go beyond and conquer the galaxy!
Why similar: Science 32.1% ★, Space Sim 27.6% ★, Sci-fi 10.3%, Realistic 10.1%, Simulation 8.7%
A sci-fi settlement building game with orbital mechanics. Start from a spaceship, scan asteroids, manage fuel, ore, electricity, time, and sanity, while expanding your settlement, exploring an alien solar system, and building stations and spacecraft to support your growing colony.
Why similar: Space Sim 37.3% ★, Science 25% ★, Realistic 9.5%, Simulation 8.9%, Sci-fi 8%
Stunning sphere-themed idle/incremental game. Experience simplicity's beauty.
Why similar: Space Sim 29.7% ★, Clicker 19.5%, Idler 19.5%, Science 16.5% ★, Simulation 9.9%
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.
Why similar: Space Sim 37.2% ★, Clicker 21.6%, Science 20% ★, Simulation 12.4%, Point & Click 8.6%
Destroy cells, harvest their materials, and research new powers. Cellbound is a short incremental game about breaking down organisms and turning their traits into increasingly powerful upgrades.
Why similar: Clicker 32.2%, Science 28.5% ★, Idler 27.8%, Simulation 11.4%, Singleplayer 0.2%
Generate energy, and colonize the entire universe! Click for Humanity is an idle game. Start from Earth and take control of the entire solar system!
Why similar: Idler 38.6%, Clicker 24.4%, Science 19.7% ★, Sci-fi 13.3%, Exploration 3.6%
A futuristic sci-fi persistent universe exploration game with one million stars and 18 million planets and moons. Fly your ship to any star and explore its solar system. Claiming stars, planets and moons will make them yours forever - other players will see your discoveries and you will see theirs.
Why similar: Space Sim 49.8% ★, Simulation 20.2%, Futuristic 12%, Sci-fi 10.5%, Exploration 7%
Take the reins of the newly founded Office of Interstellar Production, annex newly discovered star systems, mine resources and refine quality components to build mighty warships to deliver to the unceasing needs of the Navy. A chill sandbox resource management game.
Why similar: Space Sim 38.9% ★, Idler 23.7%, Simulation 16.5%, Sci-fi 12.1%, Automation 8.7%
Cube based incremental game that is simple but very deep!
Why similar: Idler 30.4%, Clicker 26%, Science 17% ★, Collectathon 14.1%, Simulation 12.4%
Idle Space War is an idle space simulation game where you upgrade your spaceship, explore distant planets, and collect resources. Progress continues even when you’re offline. Customize your ship, develop strategies for unique planets, and enjoy a relaxing yet engaging interstellar adventure.
Why similar: Space Sim 29.1% ★, Clicker 17.4%, Idler 15.7%, Simulation 8.6%, Realistic 7.9%
The Rebel Space Admiral is an idler/ clicker game about space exploration with battles, trade, base building, planet invasions and science research. Fight your way through hundreds of star systems, meet aliens, find powerful artifacts and defeat an ancient evil before it purges the galaxy.
Why similar: Space Sim 33.6% ★, Idler 21.4%, Futuristic 11.5%, Clicker 11.2%, Sci-fi 9.4%
Lock, Load, Click. A slick clicker game where every click pulls the trigger. Earn shells, unlock wild gun cosmetics, and stack permanent multipliers. Simple to play, hard to quit. Lock, load, and click your way to glory.
Why similar: Clicker 33.5%, Idler 27.2%, Automation 25.2%, Simulation 13.6%, Indie 0.3%
A casual idle / active-idle asteroid mining game where you fly around mining and make the numbers go UP! Lasers, Drones, a dash of humor, RPG, science, research, crafting, games and more.
Why similar: Space Sim 25.5% ★, Science 18.2% ★, Automation 17.3%, Idler 17.1%, Clicker 16.3%
Join an experience where each revolution takes you further into the unknown! Revolution Idle challenges you to multiply your accumulators to reach unimaginable heights. Will you manage to reach infinity?
Why similar: Idler 33%, Clicker 27.4%, Automation 21.1%, Simulation 11.3%, Futuristic 6.7%
Mytosis is a short, experimental incremental game about evolving life forms from simple cells to complex procedural organisms.
Why similar: Science 36.2% ★, Clicker 29.3%, Idler 24.1%, Simulation 10%, Indie 0.2%
This is a new action game where you steer the earth. Steer the Earth, when both the Earth and the Moon are in the goal zone, the stage is cleared. Stars are constantly pulling on each other with universal gravitation. You can experience a simulated universal gravitation.
Why similar: Science 40.4% ★, Space Sim 37.6% ★, Sci-fi 11.3%, Futuristic 10.3%, Indie 0.3%
Train rats in a series of mazes and help them improve their stats. Submit rats for grant money and use it to upgrade your lab with new tools and buy new rats with powerful abilities! These new rats have such amazing potential. How smart are these rats becoming?
Why similar: Science 28% ★, Idler 25.6%, Simulation 20%, Automation 14.8%, Sci-fi 11.1%
An idle clicker game with looter ARPG elements. Defeat slimes, collect hundreds of items, unlock talent trees, create unique skills, build powerful builds, and reach the highest floor!
Why similar: Clicker 36.7%, Idler 29.6%, Collectathon 24.5%, Point & Click 8.7%, Singleplayer 0.3%
Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.
Why similar: Space Sim 34.8% ★, Science 29.5% ★, Sci-fi 10.2%, Futuristic 8.8%, Realistic 6.2%
먼 미래의 우주비행사가 되어 탐사대가 돌아오기 전, 이상현상들을 보고하여 문제들을 해결해야합니다.
Why similar: Space Sim 41.1% ★, Simulation 17.3%, Science 11.1% ★, Point & Click 9.3%, Realistic 9%
Ever Flip is an incremental coin-flipping game where streaks from 50% coin flips unlock bigger rewards and growing automation.
Why similar: Clicker 24.2%, Idler 23.3%, Collectathon 21.4%, Automation 20.1%, Simulation 10.7%
An AI returns from a relativistic test flight to find humanity gone. Explore a real NASA‑based solar‑system ephemeris, pilot three spacecraft across accurate topological data, and push the limits of physics as you attempt escalating WARP.
Why similar: Space Sim 44.6% ★, Science 18.8% ★, Simulation 13.9%, Realistic 9%, Futuristic 7.8%
A survival engineering game where you build life support habitats, mine resources, and automate production chains to survive alone on a radiation heavy planet with no rescue and no external support.
Why similar: Space Sim 36.4% ★, Automation 26.8%, Sci-fi 12.2%, Base Building 9.7%, Simulation 7.7%
A short incremental game about building a career by destroying planets, meeting corporate goals, and investing in profitable — and maybe not so ethical — ventures.
Why similar: Idler 27.6%, Clicker 24.9%, Collectathon 24.1%, Simulation 9.9%, Point & Click 4.9%
Watch is a free incremental game combined with collecting wristwatches integrated into Steam inventory.
Why similar: Clicker 29.6%, Idler 25%, Collectathon 19%, Automation 13.2%, Realistic 8.6%
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.
Why similar: Idler 33.6%, Clicker 24.5%, Simulation 12.3%, Automation 11.6%, Sci-fi 10.3%
Master physics in one compelling physics puzzle after another. Aim the launcher and adjust its power, using your understanding of gravity wells to correctly plot their courses in a variety of challenges. Complete a light-hearted story and then test yourself in the endless Expeditions mode.
Why similar: Space Sim 36.7% ★, Science 35.1% ★, Cinematic 8.8%, Simulation 8.2%, Sci-fi 6.9%
Mine asteroids, automate resource collection, and grow your mining operation in this active incremental roguelite built around constant progression. Fuel hyperjumps, invest in permanent upgrades, and push deeper through branching star systems while enemy forces grow stronger.
Why similar: Clicker 26.3%, Idler 21.9%, Space Sim 21.1% ★, Automation 19.3%, Simulation 6.5%
Click, collect, and ascend! Coin Hoarder is an addictive idle/incremental game in the spirit of Cookie Clicker and other greats, with endless upgrades, ascensions, and achievements.
Why similar: Clicker 33%, Idler 27%, Automation 20.8%, Simulation 15.6%, Point & Click 3%
Build rockets and fly them around the Solar System in this realistic aerospace sandbox. Attempt landings, build space stations, drive rovers, perform spacewalks, explore alien worlds, and get your crew home safe.
Why similar: Space Sim 42.2% ★, Science 23.9% ★, Simulation 11.1%, Cinematic 8.5%, Exploration 5%
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Why similar: Space Sim 53.7% ★, Simulation 23.1%, Realistic 15.4%, Exploration 7.5%, Singleplayer 0.3%
A short incremental game where you are tasked to clean a lab from fleshy growths using your flamethrower. Collect resources and spend them in a vast upgrade tree to unlock new abilities.
Why similar: Idler 28.4%, Science 23.3% ★, Clicker 21.3%, Simulation 12.2%, Sci-fi 7.8%
Crush empty cans and sell the aluminium, buy upgrades, automatic can presses, and robots to automatize and speed up your process, and pay off your debt.
Why similar: Clicker 29.9%, Idler 24.9%, Automation 23.4%, Simulation 9.8%, Point & Click 6.3%
Space simulation moon game. Explore the moon, mars, venus and mercury in breathtaking real-time 3D. Explore their geological aspects. Battle against spaceships or a secret lunar base. Enter the ISS. Measure the moon. And get in the cockpit.
Why similar: Space Sim 37.7% ★, Science 28% ★, Sci-fi 11.8%, Simulation 8.7%, Realistic 7.7%
