Top similar games like Idle Geometry Defense:

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!

Guide a robotic mission in Venus’s polar clouds in this space colonisation city builder. Collect energy, mine resources, balance buoyancy to stay afloat, in the treacherous Venusian atmosphere, and build a self-sufficient base while navigating storms and acid clouds to hunt mysterious anomalies.

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!

A whispering flame craves souls. With each offering, your resolve strengthens. Fight spirits, collect their essences, and feed a hunger that may never subside in this short eerie incremental game.

Module Miner is a minimalist retro inspired idle mining game. Hover over blocks to break them, collect resources, and buy upgrades.

Guide pioneering settlers among Venusian clouds in this space colonisation city builder. Grow food, collect energy, mine resources, balance buoyancy and weight to stay afloat in the treacherous Venusian atmosphere, and build a self-sufficient colony while navigating storms and acidic clouds.

Manage your workers, stations, machines and create awesome stuff as your little big workshop grows into your dream factory!

BastionOS is an incremental action game where you command a military terminal to stack ludicrous weapons and upgrades onto a lone tower facing an endless machine army. Destroy a gigantic evolving horde, get destroyed, unlock new tech, repeat, and get strong enough to survive the next level.

Do you like Tower Defense games with Strategy elements? Well, look no further! We've got exactly what you're looking for! Get ready to defend your settlement from enemies using a huge arsenal of towers!

Exostation is a sci-fi real-time strategy game. Reach sustainable planet economies by building, allocating, mining, and selling wisely. Allow humanity to spread and conquer new solar systems not by war but by ensuring its planet's resources are not exhausted.

Build. Defend. Survive. Expand. A sci-fi base-building game on a hostile alien world. Gather resources, build a sprawling high-tech colony, and defend against relentless alien threats—then unlock new planets, new challenges, and the secrets of humanity’s last frontier.

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.

See the galaxy through the eyes of a trader. Hundreds of years after humanity took to the stars, you're free to buy, fight, explore, and build your way to power. Shape economies, form alliances, and influence the systems that control trade, tech, and politics.

Starship Factory is a construction / space simulation game where you build, test, and optimize rocket production for Mars colonization.

A mash-up of the common idle clicker genre and a city builder, Capitals is a fast-paced and competitive strategy game. Each match is set on a resizable game board made up of hexagonal tiles, randomly generated each time you play.

Gridkeeper is an incremental game about managing "Grids" and using their power to run MineBots, research tech, and grow your mining empire by getting better Grids.

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.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

Outpost Surge is a society survival game on Mars, where players balance resource management, city growth, and settler health to turn a barren landscape into a thriving, vibrant city.

Bitpunky is a sandbox game of creating and developing your own digital civilization in the middle of a huge virtual space. Explore the outside world, use the resources of the virtual space for improving and automating processes within your futuristic city!

Cosmic Castaway is a colony building survival game. Gather scarce resources, rescue and assign your crew, build and defend your outpost from hostile forces, and turn wreckage into refuge to repair your ship and escape back to your home planet.

Design, build, and optimize intricate, space-efficient factories in a unique grid-based puzzle system. Master complex supply chains and dominate a living interstellar economy to build your corporate empire. Conquer the cosmos alone or with friends.

Paperwork is a first-person office-building incremental game where you optimize an office to generate more and more money. Step into the office of Clarity, become a productive worker and watch profits grow.

Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.

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!

Sci-fi idle strategy in isometric view: build structures, gather resources, and trade with ships while exploring your plot of land cell by cell.

There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.

Build your dream city on a vast island in Isoforge! Unlock new buildings every in-game day, each influencing others in unique ways. Recruit soldiers to defend against invasions, manage upgrades, and tackle dynamic events like unlocks and challenges. Can you create the ultimate city?

Deploy defense towers to defeat monsters, capture them for your automated farm, and earn growing profits. Expand your Monster Manor in the sidebar during work breaks or downtime!

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!

Build, arrive, and move into new regions and planets in the depths of space. Whether you will establish a colony and trade or train soldiers and fight, everything is in your hands.

Build your industry and earn credits to buy your ticket back home to Earth. Minimalist sci-fi base building about resource extraction and refinement. A 100% organic indie idle game with an oldschool lo-fi aesthetic and a light-hearted & relaxed atmosphere. Made to be played in a window on the side.

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!

Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world.

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!

The principle is simple, the more time you spend, the richer you will be, you can do nothing and get money, but the decisions you make will allow you to get even more!