
Defend against endless waves of deadly red cubes in this futuristic idle tower defense game. Upgrade your towers, deploy mini-towers, speed up time, and rotate the battlefield in full 360°. Infinite levels. Infinite upgrades. No mercy.
60+ similar titles based on shared tags and player behavior. Themes include Casual, Sci-fi, Singleplayer, Simulation.

Defend against endless waves of deadly red cubes in this futuristic idle tower defense game. Upgrade your towers, deploy mini-towers, speed up time, and rotate the battlefield in full 360°. Infinite levels. Infinite upgrades. No mercy.

Void Core
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.

Katakamuna Idle
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.
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: Automation 19.7%, Idler 19.5%, Space Sim 18.4%, Incremental 16%, Space 11.5%
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 23.2%, Automation 18.9%, Idler 14.3%, Incremental 12.7%, Abstract 9.9%
An idle incremental game where you decide to travel across the whole Universe. Embark on this journey in your little ship and get as far away as possible from Earth, gathering resources and upgrading your spaceship along the way.
Why similar: Automation 23.6%, Idler 18.8%, Incremental 16.9%, Space 12.4%, Resource Management 11.4%
A survival engineering game where you build life support habitats, mine resources, and automate production chains on a radiation heavy planet. No rescue. No support. Just engineering.
Why similar: Automation 28.9%, Space Sim 26.5%, Resource Management 12.4%, Sci-fi 8.1%, Survival 7.9%
Ready for some chill time in space? Astrodle has you covered. Watch the numbers soar as you upgrade your ship and travel the stars. Oh, and you might just become a god.
Why similar: Automation 19.9%, Incremental 19.4%, Idler 18.2%, Futuristic 10%, Space 9.1%
Relax and watch your marbles fill circle after circle. Make strategic improvements then unwind in this retro futurist, idle arcade game.
Why similar: Idler 18.9%, Automation 18.9%, Incremental 13.5%, Abstract 12.8%, Futuristic 9.5%
Defend the last AI core in a minimalist incremental game as you manage resources, upgrade your network, and unleash powerful skills. Resist humanity’s onslaught!
Why similar: Tower Defense 29.5%, Idler 22.2%, Resource Management 15.3%, Automation 13.1%, Abstract 12.7%
Hostile Mars is a factory-building game focused on combat! Explore an open world and discover new tech to unlock powerful weapons and structures. Create efficient supply chains using delivery bots. Salvage destroyed enemies for resources. Design your base to withstand increasing waves of enemies!
Why similar: Tower Defense 17.2%, Automation 16.4%, Space Sim 13.5%, Survival 10%, City Builder 8.9%
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 25.4%, Incremental 20.4%, Space 12.3%, Automation 12.1%, Resource Management 10.9%
Start on a barren planet, expand your empire through resource management, fleet building, and planetary conquest. Discover cosmic relics, trade or fight with neutral factions, and build galactic wonders like particle colliders. Balance strategy, exploration, and combat to dominate the galaxy!
Why similar: City Builder 21.1%, Futuristic 16.3%, Space Sim 16.2%, Sci-fi 13.6%, Strategy 10.2%
Swarmex is a casual pixel-art tower defense game where you build and upgrade a modular space base. Place turrets, mine resources with automated miners, and optimise adjacency bonuses as your defences run on their own. Play in short, satisfying sessions.
Why similar: Tower Defense 22.1%, Idler 14.5%, Incremental 14.4%, Automation 13.4%, Strategy 9.3%
Doom has arrived. But beyond the end… there are still dominoes. Push the dominoes to start a chain reaction, and grow exponentially through offerings and reincarnation. A meditative idle game featuring multi-layered prestige, automation, and strategy-driven challenges.
Why similar: Automation 27.1%, Idler 23.9%, Incremental 19.2%, Resource Management 12.8%, Isometric 11.4%
Starship Factory is a construction / space simulation game where you build, test, and optimize rocket production for Mars colonization.
Why similar: Space Sim 29%, City Builder 17.6%, Automation 11%, Futuristic 10.8%, Strategy 7.3%
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!
Why similar: Idler 20.3%, Space Sim 20.2%, Incremental 18.6%, Resource Management 13.2%, Space 13%
Take control of The System. Master multiple interlocking power sources to build a singular, planetary engine in this narrative idle game. Features a fully voiced story, minimalist UI, and cross-platform play. The old world must fall for The System to rise.
Why similar: Automation 22.4%, Space Sim 20.3%, Idler 18.6%, Incremental 13%, Sci-fi 9.3%
A short active incremental game where you stack ludicrous weapons and upgrades onto a tower. Destroy a gigantic evolving horde, unlock new tech, repeat.
Why similar: Tower Defense 18%, Idler 15.8%, Incremental 15.8%, Abstract 13.2%, Isometric 13%
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: Idler 19.9%, Space Sim 19.4%, Incremental 16.9%, Sci-fi 9.4%, Space 9.2%
Build and automate your way from a comet miner to an entertainment mogul in this isometric tycoon game. Harvest resources and buy bigger comets to keep more peeps happy, alive and profitable.
Why similar: Automation 24.5%, City Builder 16.4%, Space Sim 14.2%, Isometric 14%, Resource Management 13%
Orbit a planet, fire your laser, and mine it to the core. Upgrade your ship and conquer seasonal hazards across four unique zones. A satisfying incremental mining game set in space.
Why similar: Automation 20.3%, Space 18.1%, Sci-fi 15.6%, Idler 15%, Incremental 10.3%
The whole universe is at your mouse-clicks in this sci-fi idler game - make stars, make constellations, and make more power... to keep making more! Plus, you'll get to discover real constellations, or design your own :)
Why similar: Incremental 23.6%, Idler 22.4%, Automation 14.7%, Space 13.7%, Abstract 12.6%
Ever wanted a Dyson swarm of your own? Now you can have one with just a few clicks! Manage a solar empire, produce bots which will make solar panels for you. Send your panels to the sun to generate energy and sell that energy to make money which you can spend on even more bots!
Why similar: Idler 26.1%, Incremental 21.3%, Space 14.6%, Strategy 10.6%, Futuristic 8.4%
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 31.9%, Idler 20.5%, Resource Management 12.9%, Automation 10.7%, Sci-fi 9.1%
A Tower Defense game mashed with Idle Clicker mechanics set inside a wonderful world of crayons. Build out your defenses, go grab a snack and watch your forces take on enemy units.
Why similar: Tower Defense 24.7%, Idler 19.3%, Incremental 16.5%, Space 10.7%, Survival 8.4%
Eldritch town is an incremental tower defense game. Build your town, manage resources, research tech, build an army and upgrade your towers to defeat hordes of Lovecraftian horrors and uncover the secrets of this forgotten island.
Why similar: Tower Defense 19.6%, Idler 17.5%, Incremental 15.6%, City Builder 14.6%, Resource Management 10.5%
This is a short and relaxing game about electronic music. Unlock and listen to 72 great tracks made by talented artists. Travel to 12 live locations, meet new characters and find rare vinyl records.
Why similar: Electronic Music 49.4% ★, Automation 16.1%, Incremental 13.9%, Idler 10.4%, Arcade 5.9%
A clicker/incremental game themed around AGI (Artificial General Intelligence) development. Use AI to streamline AI development, build data centers and power plants, and venture into space in pursuit of even more power.
Why similar: Automation 24.9%, Incremental 19.7%, Idler 16.5%, Resource Management 13.7%, Sci-fi 8.4%
Produce Androids and create a Fleet that will help you conquer new planets. Mine valuable minerals that will further increase your production capacity.
Why similar: Automation 22.9%, Idler 19.3%, Incremental 17.4%, Space 13%, Resource Management 11.3%
Mine crystals and defend your wall in this survival defense game. Balance resource gathering with combat as you upgrade your way through endless enemy waves.
Why similar: Tower Defense 24.9%, Automation 21.4%, Incremental 18%, Strategy 11.1%, Idler 10.9%
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 29.5%, Incremental 19.7%, Idler 13.3%, Futuristic 9.4%, Space 8.1%
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.
Why similar: Space Sim 21.2%, Automation 16.3%, City Builder 13.4%, Isometric 9.4%, Space 8.5%
ClickRush: Produce infinite clicks! Deploy drones and AI matrices to automate your empire. Take down Real-Time World Bosses with the community, level up your Battle Pass, and unlock celestial bonuses. Dominate the global leaderboard. Get your mouse ready!
Why similar: Automation 23%, Idler 18.5%, Incremental 18.1%, Resource Management 9.7%, Simulation 8%
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 27.3%, Idler 18.5%, Incremental 12.8%, Space 12.1%, Futuristic 9.9%
A sci-fi idler. Upgrade your ships, get new items, and conquer the stars.
Why similar: Idler 27.8%, Incremental 22.4%, Strategy 12%, Futuristic 10.6%, Space 10.1%
Gear up and get going! Defend your outposts from waves of alien enemies with your mech. Build and upgrade your base, protecting the extraction of the mysterious planetary system’s rich resources!
Why similar: Electronic Music 42.3% ★, Tower Defense 20.1%, Space 11.6%, Futuristic 11%, Sci-fi 7.2%
Throw Planes, Buy Upgrades, and Place Towers to defend against the oncoming waves of luggage! With 50+ unique upgrades to buy, discover new builds run after run. Unlock tons of froggy cosmetics in this Character Tower Defense!
Why similar: Tower Defense 21.5%, Automation 17.4%, Incremental 15.4%, Isometric 14.3%, Idler 13.7%
Planetfall: Endless Wave is an idle incremental base-defence game with a classic RTS look. Survive endless waves of alien invaders by upgrading turrets, fortifications, and troops as the battlefield grows more hostile with every wave.
Why similar: Automation 22.6%, Incremental 20.9%, Idler 20%, Isometric 11.2%, Resource Management 5.4%
Chess Meets Tower Defense – Strategize, Defend, and Conquer!
Why similar: Tower Defense 29.2%, Incremental 18.5%, Idler 18.5%, Isometric 13.4%, Strategy 11.2%
Incremental game about defending Earth from impending danger. Develop your Skill Tree to setup automatic turrets and various other defensive mechanisms.
Why similar: Tower Defense 24.5%, Incremental 21.9%, Idler 21.5%, Strategy 8.9%, Arcade 8.6%
Clankers! is a short incremental robot killing game. Kill Clankers, gather money and spend it on weapons and upgrades to stop Clankers from stealing our jobs!
Why similar: Tower Defense 19.7%, Idler 18.1%, Incremental 17.8%, Abstract 12.5%, Futuristic 9%
This is a idle game modeled on industrial building gameplay. It will be three-dimensional, complex industrial assembly line, easy, simple plane conveyor belt. At the same time to join the battleship assembly, space campaign, character development, giant construction, trade orders and other gameplay!
Why similar: Automation 35.8%, Space Sim 34.4%, Space 15.4%, Idler 10.6%, Strategy 3.8%
HAS Galactics is a top-down factory builder. Design your own rocket, automate your production lines, balance your reputation between the Galactic Factions and complete daring missions. Start from a humble beginning… to a thriving galactic mega-factory!
Why similar: Automation 24.3%, Space Sim 20.9%, Resource Management 11.5%, Space 11%, City Builder 8.6%
SpaceFlight Factory is an Automation and Base Building game with some survival game mechanics.You lead a small colony of human remnants. Help them to survive, expand and gather enough resources to leave Earth for their new home planet.
Why similar: Automation 20.7%, Space Sim 18.8%, City Builder 13.3%, Idler 12.7%, Resource Management 10%
Factory management and sandbox base building in zero-g environment. Survive, expand and then dominate space industrial market. Build large scale resource processing plant completely from nothing.
Why similar: Automation 24.9%, Space Sim 21.6%, Resource Management 13.1%, Space 11.3%, Survival 9.3%
This is a strategy game that combines automated base construction with real-time tower defense. Land on a harsh alien planet, construct a vast automated industrial assembly line from scratch, and transform it into a formidable front capable of withstanding a massive influx of enemies.
Why similar: Automation 33.6%, Tower Defense 22.7%, Resource Management 12.8%, Sci-fi 9%, Strategy 8.2%
Manage a mysterious machine as it summons and consumes eldritch entities in this incremental game. Every entity consumed makes the machine more powerful, and unlocks new mechanics.
Why similar: Idler 20.7%, Incremental 20.4%, Automation 18.2%, Abstract 16.8%, Strategy 11.8%
This is a beautiful "Idle", "Incremental" game based on spirals and mathematics. Your goal is to make the spiral grow farther and farther from the origin. The game is very simple, but it is very deep and can be enjoyed for a long time!
Why similar: Idler 24.3%, Automation 24.1%, Incremental 22.5%, Abstract 11.1%, Simulation 6.1%
The Rift Machine is an incremental game about harvesting resources from inter-dimensional anomalies. Research technologies, manage resources and deploy contraptions to gain knowledge, wealth and power.
Why similar: Automation 19%, Idler 18.7%, Incremental 17.8%, Resource Management 13.1%, Futuristic 11.6%
An abstract incremental game about flipping a coin and maybe some other things too
Why similar: Incremental 22.7%, Idler 21.4%, Automation 19.8%, Abstract 12.2%, Strategy 10%
Build & manage your Intergalactic Transfer Hub. Receive travellers and dock ships. Help passengers transfer, but also control them. Expand hub, build shops, take care of everyone's needs. Increase profits, change taxes. But beware: dangerous diseases and asteroids may alter your plans!
Why similar: Automation 19.3%, City Builder 13.8%, Isometric 12.8%, Simulation 11.2%, Futuristic 8.8%
Construct sprawling factories in the void of space, unlock new eras of technology, and expand your influence from a single planet to the vastness of multiple solar systems. From survival to galactic domination—mine, build, trade, and expand across solar systems.
Why similar: Space Sim 29.2%, Automation 29%, Isometric 17.7%, City Builder 8.6%, Sci-fi 8.6%
An endless Tower Defense game of epic heroes vs evil zombies. Unlock and upgrade countless Heroes, artifacts, and technologies to defend against the infinite zombie swarms. Strategize the most effective placement of Heroes to synergize their skills and abilities.
Why similar: Tower Defense 18.5%, Incremental 18.3%, Idler 15.3%, Automation 10.4%, Isometric 10.3%
An idle defense game at the bottom of your screen. Build your squad, upgrade your base, and hold the line against relentless alien waves while you work or browse.
Why similar: Tower Defense 22.9%, Idler 22.9%, Incremental 18.9%, Automation 14.4%, Sci-fi 6.1%
Dive into the world of Sixty Four, where you transform simple machines into a thriving factory.
Why similar: Automation 25.7%, Incremental 20.8%, Isometric 15%, Idler 14.4%, Resource Management 12.2%
A sudden, devastating strike has reduced your interstellar voyage to ruins. As the sole survivor in X SPACE, you must rebuild your space base from scratch, assemble a versatile fleet, and pilot your massive mobile fortress into the depths of the universe.
Why similar: Space Sim 22.3%, Automation 20.1%, Tower Defense 19%, Space 11.6%, Survival 9.3%
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 43.6%, Incremental 12.9%, Sci-fi 12.3%, Resource Management 8.9%, Strategy 8.9%
Become the immune system. Hover to kill. Weapons fire automatically. Manage your research lab, hire scientists, and develop a vaccine while fighting off endless pathogen hordes.
Why similar: Idler 27.2%, Incremental 22.3%, Automation 14.3%, Abstract 10.9%, Arcade 9.8%
This is a sci-fi strategy game featuring a Defense Mode focused on tower defense and an Attack Mode focused on combat. The game includes over 30 different buildings and units, all of which can be upgraded through entry editing to enhance their performance and firepower.
Why similar: Tower Defense 22.4%, Automation 19.1%, Futuristic 12.3%, Resource Management 11.9%, Sci-fi 10%
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 29%, Incremental 23.4%, Idler 22.1%, Space 14.6%, Simulation 5.9%
Idle can also build your industrial empire.
Why similar: Automation 24.5%, Idler 21.2%, Incremental 18.3%, Resource Management 13.7%, Space 8%
Run a galactic pirate syndicate from a single screen. Raid ships, loot cargo, capture crew, and grow a fleet that raids in parallel while you watch. An incremental space-pirate idle game with tactical raids, a reputation-based black market, and a legendary endgame.
Why similar: Space Sim 23.4%, Automation 22.9%, Idler 18.7%, Space 12%, Resource Management 9.4%