Games like Idle Geometry Defense
Looking for games like Idle Geometry Defense? Here are top survival city builder recommendations with a science fiction focus, selected from player-similarity data — start with BastionOS, ParryMaster or This Isn't Just Tower Defense.
- 96%Game Brain ScoreMost mentioned positive aspects:graphics, gameplayMost mentioned negative aspects:grinding, replayability96% User Score 113 reviews
------------------------------------------------------- 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. If you enjoyed this game, see our list of games similar to BastionOS.
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- 73%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:music, atmosphere78% User Score 45 reviews
No mistakes. No mercy. No Hit Allowed.Defend yourself in this minimalist one-button incremental defense game. One hit, and it’s over. Block, parry, upgrade, and grow — reach the very end without taking a single hit! Upgrade!Unlock 70+ upgrades and evolve from a Parry Newbie into a true Parry Master! Forge your shield!Enhance your shield for greater rewards, but tread carefully — … If you enjoyed this game, see our list of games similar to ParryMaster.
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- 64%Game Brain ScoreMost mentioned positive aspects:gameplay, optimizationMost mentioned negative aspects:graphics, replayability64% User Score 78 reviews
Place Towers, Defeat Enemies, Stack Upgrades Strategically place your towers to fend off massive waves of thousands of enemies at once. Every defeated enemy grants resources you can use to endlessly upgrade your towers—more damage, faster shots, greater range. The pressure increases with every wave! Energy & Production Towers need power to fire—generate it using massive solar fields and d… If you enjoyed this game, see our list of games similar to This Isn't Just Tower Defense.
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- 88%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding, story88% User Score 586 reviews
Tower Factory is a game where you have to build a factory that allows you to create enough towers to defend yourself from enemies. You'll need to find and destroy the enemy castle before it becomes too powerful and its monsters overwhelm you! Features: Constantly build, expand, and upgrade your factory. Acquire resources to build more and better towers. Explore the map to locate the enemy castle, … If you enjoyed this game, see our list of games similar to Tower Factory.
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- 87%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:replayability, optimization87% User Score 816 reviews
Take control of the hive and protect it from enemies. Build factories, wonders of the world and defence. Research technologies and, if necessary, use nuclear weapons, but do not let the enemies harm the queen! If you enjoyed this game, see our list of games similar to Bee Island.
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- 79%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:replayability, story79% User Score 680 reviewsCritic Score 80%1 reviews
"Makes its more ornate competitors feel needlessly garnished" - New York Times If you enjoyed this game, see our list of games similar to rymdkapsel.
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- 83%Game Brain ScoreMost mentioned positive aspects:graphics, gameplayMost mentioned negative aspects:story, grinding83% User Score 861 reviews
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core! When the aliens swarm your maze and everything seems lost, use active abilities like Air Strike and Freeze to tilt the battlefield to your advantage. If you enjoyed this game, see our list of games similar to Super Sanctum TD.
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- 86%Game Brain ScoreMost mentioned positive aspects:gameplay, storyMost mentioned negative aspects:replayability, grinding86% User Score 139 reviews
Freaking Meatbags throws you into a futuristic world where robots have jobs, cephalopods aren't confined to a single dimension, and humans pretty much just stand around talking to themselves. As a lowly cleaning robot, your task is to gather precious materials from each world before the solar system goes kaboom. As soon as you land, you realize this gig isn't going to be as simple as you had hoped… If you enjoyed this game, see our list of games similar to Freaking Meatbags.
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- 33%Game Brain ScoreMost mentioned positive aspects:graphics, atmosphereMost mentioned negative aspects:story, music50% User Score 16 reviews
Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense. If you enjoyed this game, see our list of games similar to Mars or Die!.
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An incremental swarm tower defense. Play solo or 2–4 player Steam co-op. Defend a doomed mining colony through a full campaign, infinite procedural maps and Workshop creations. Build towers. Call orbital strikes. Kill billions. The only good bug is a dead bug. Do your part! If you enjoyed this game, see our list of games similar to Bugs. Billions of Bugs..
- 82%Game Brain ScoreMost mentioned positive aspects:gameplay, musicMost mentioned negative aspects:grinding, stability82% User Score 1,219 reviews
In Monsters are Coming! Rock & Road, gather what resources you can to defend an ever-moving city. Are you ready to take on a never-ending army of darkness in a tower-survivor, action-rogue-lite on wheels? Fortify: The city must endure! Choose from a selection of town halls, place towers and create your own builds to maximise destruction. Equip defensive structures to repel monsters from the gates … If you enjoyed this game, see our list of games similar to Monsters are Coming!.
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- 91%Game Brain ScoreMost mentioned positive aspects:gameplay, replayabilityMost mentioned negative aspects:optimization, graphics91% User Score 56 reviews
Golemworks is an experimental, strategic fusion of roguelike and factory builder. You must assemble a factory that generates an army of automatons. These automatons automatically fight and defend your golem foundry from waves of encroaching shadows. Molds activate on a cooldown, and generate a golem core - the 'recipe' for an automaton. Catalysts are the production infrastructure. They… If you enjoyed this game, see our list of games similar to Golemworks.
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- 69%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:replayability, optimization69% User Score 97 reviews
Congratulations, Operator #8 You have been randomly selected for the ITER Corporation’s exciting vertical ventures department. Drill the pillars that encircle our homeworld, extract essential resources, and try not to get obliterated in the process. If you fail, don’t worry, your replacement will be along shortly - probably with a better attitude. > Mining 101 Crack open the Pillars like a big hap… If you enjoyed this game, see our list of games similar to ITER-8.
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- 85%Game Brain ScoreMost mentioned positive aspects:gameplay, musicMost mentioned negative aspects:story, grinding85% User Score 496 reviews
Void Miner is a incremental roguelite bullet hell that is about mining asteroids, collecting resources and upgrading your ship to blast through waves of asteroid belts. Start with a simple ship, picking off as many asteroids as you can. Explore the upgrade tree. Lay waste to the entire asteroid belt. If you enjoyed this game, see our list of games similar to Void Miner – Incremental Asteroids Roguelite.
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- 69%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding, story69% User Score 89 reviews
Ash Warden is a fast-paced tower defense where you click to shoot enemies, teleport between three towers, and upgrade skills to survive relentless Redgaze waves. If you enjoyed this game, see our list of games similar to Ash Warden.
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- 82%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:music, grinding82% User Score 149 reviews
All Aboard! The Train Defense Express is out now! 8/07/2025 Update: v1.1.1Patch notes: itch.io | Steam Now available on mobile!Google Play (Android)Apple App Store (iOS) All Aboard! is a mix between auto-battler, survivor, tower defense, and idle/clicker games. The goal is to protect the central objective, the Infinite Power Generator, from endlessly spawning hordes of enemies, and to see how l… If you enjoyed this game, see our list of games similar to All Aboard! The Train Defense Express.
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- 72%Game Brain ScoreMost mentioned positive aspects:gameplay, musicMost mentioned negative aspects:grinding, replayability72% User Score 71 reviews
Step into the eerie world of Creeping Dusk, a tower defense game that blends strategic base-building and intense battles against waves of undead. Your task is to build a small town around an abandoned gold mine and defend against monsters that swarm the area. Plan your next move during the day, explore surrounding area, expand the town, fortify your defenses and prepare for the increasingly challe… If you enjoyed this game, see our list of games similar to Creeping Dusk.
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- 71%Game Brain ScoreMost mentioned positive aspects:gameplay, humorMost mentioned negative aspects:story, grinding71% User Score 340 reviews
You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter. If you enjoyed this game, see our list of games similar to Run Build Pew!.
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- 41%Game Brain ScoreMost mentioned positive aspects:story, musicMost mentioned negative aspects:gameplay, graphics70% User Score 10 reviews
Starlight: Defence Command is a Tower Defence game designed for the PC that is tough and more in-depth than those gone before. With the ability to configure towers in billions of possible combinations, unlockable perks and fine tuning through target priorities, players are given powerful tools to complete the galaxy-spanning, story-driven campaign. If you enjoyed this game, see our list of games similar to Starlight: Defence Command.
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- 86%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding, monetization86% User Score 3,160 reviews
The Perfect Tower II is a mix between an incremental and a tower defense game. Build a town and explore a variety of regions to unlock different mini-games and tons of upgrades. If you enjoyed this game, see our list of games similar to The Perfect Tower II.
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- 80%Game Brain ScoreMost mentioned positive aspects:gameplay, optimizationMost mentioned negative aspects:graphics, story80% User Score 96 reviews
Do not answer! Do not answer! Do not answer! Barnard's civilization is invading the earth. It is time to get ready to defend our planet against the attack from the invaders! In this rogue-lite TD game, come and use your strategy to build turrets and plan the routes freely! With diverse modes to dig into, the fun never ends! About this gameRefactor is a Roguelike Tower Defense game. This is … If you enjoyed this game, see our list of games similar to Refactor.
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- 77%Game Brain ScoreMost mentioned positive aspects:gameplay, replayabilityMost mentioned negative aspects:story, stability77% User Score 254 reviews
A space station builder simulation roguelite. Fight off enemy ships, fleets and rival stations, build and upgrade your station, hire and manage your crew. Survive as long as you can. If you enjoyed this game, see our list of games similar to Rogue Station.
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- 85%Game Brain ScoreMost mentioned positive aspects:gameplay, musicMost mentioned negative aspects:story, grinding93% User Score 13,453 reviewsCritic Score 74%8 reviews
Defend against waves of alien monsters in this unique roguelike action miner. If you enjoyed this game, see our list of games similar to Dome Keeper.
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In this minimalist idle game, you watch DVD logos bounce around the screen and generate money with every impact. Use your earnings to upgrade your screen, increase speed, the number of logos, and multipliers, and gradually turn your display into an increasingly profitable visual chaos. The game focuses on infinite progression, optimization, and a relaxing, hypnotic experience. Bounce DVD logos en… If you enjoyed this game, see our list of games similar to A Game About Bouncing DVD.
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- 59%Game Brain ScoreMost mentioned positive aspects:gameplay, replayability100% User Score 10 reviews
OBLITACRATER is a twin stick shooter where you fight endless alien monsters in increasingly difficult waves on a cute little planet! There is only one goal in OBLITACRATER, increase your score. Each DROP to the planet adds to a single running score. You can end the drop at any time by pressing the BIG RED BUTTON at the top of of the planet which also locks in your score and adds it to your total.… If you enjoyed this game, see our list of games similar to OBLITACRATER.
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Your tower. One tower. An infinite tower. Build a god-forged rampart in this chill incremental tower defense idler and watch it evolve from humble sentinel to unstoppable cosmic siege engine. Idle through endless enemy waves while your power compounds — then tinker with 2744 runewords crafted from 14 runes across 4 slots to squeeze every drop of potential from your growing arsenal. The deeper yo… If you enjoyed this game, see our list of games similar to Rune Tower Incremental.
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- 83%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding, replayability83% User Score 113 reviews
castle idler is a short, relaxing idle tower defense game with no waves. idly upgrade towers, collect coins, and unlock a vast skill tree to defend your castle from a slime invasion. wishlist on steam join our discord! deploy a variety of towers along winding paths and continuously upgrade themprogress through increasingly difficult levels with trickier paths and tougher enemiesexplore the pres… If you enjoyed this game, see our list of games similar to castle idler.
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- 95%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding95% User Score 144 reviews
A mini action city-builder in a post-post-apocalyptic world. Grow your settlement. Fend off waves of enemies. Restore nature. If you enjoyed this game, see our list of games similar to Existential Treads.
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- 78%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, replayability78% User Score 293 reviews
Darfall is a strategy survival city-builder with RPG elements. You lead your hero with a band of warriors to defend your settlement, explore the corrupted land and craft new items. Expand your settlement and defeat the darkness coming from everywhere. If you enjoyed this game, see our list of games similar to Darfall.
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- 74%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:stability, story74% User Score 462 reviews
Live real time battle, micromanagement and survive the battle with your army of your chosen, Live with mayhem and explosions. If you enjoyed this game, see our list of games similar to Northend Tower Defense.
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- 95%Game Brain ScoreMost mentioned positive aspects:graphics, gameplayMost mentioned negative aspects:story, grinding95% User Score 1,107 reviews
Utopia Must Fall is a vector-flavored base-defending arcade shooter with rapid progression, procedurally generated attack waves and enough upgrade variety to suit both the defensive or aggressive player.It incorporates elements from tower defense, roguelites and beyond, all neatly packaged into a laser-sharp bullet-purgatory arcade frenzy! Features Easy To Learn: firing happens automatically, just… If you enjoyed this game, see our list of games similar to Utopia Must Fall.
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- 92%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:replayability, grinding92% User Score 207 reviews
Are you prepared for a thrilling toy army tower defense adventure? Welcome The Toy Shire! Battle diverse foes in various locations, defend your family, and repel foes from your area. Save the world by strengthening your defense with toy towers! If you enjoyed this game, see our list of games similar to Toy Shire.
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- 97%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, optimization97% User Score 3,780 reviews
For billions of years empires rose to greatness. Each fell to the Creeper till none remained. Now all hope appears lost. Who will stand against the Creeper? Experience this extreme and massive expansion of the Creeper World franchise. Nothing will ever be the same... Massive maps, custom units scripting, terraforming, Gravatars? Can you handle the challenge? If you enjoyed this game, see our list of games similar to Creeper World 3: Arc Eternal.
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- 76%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:stability, grinding76% User Score 868 reviews
MarZ Rising is a tactical base defense game, which lets you discover a completely new gameplay experience of the tower defense genre! Build, manage and defend your martian base. Guide your crew safely through the thrilling campaign and solve the mystery of the undead. If you enjoyed this game, see our list of games similar to MarZ: Tactical Base Defense.
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- 61%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:story, optimization61% User Score 190 reviews
‘Alien Marauder’ is a real-time strategy game with survival and confrontation theme.In this game, you will be the leader to a treacherous alien planet, get all kinds of supplies to build your outpost, and deploy troops to resist the incoming vexans strategically! If you enjoyed this game, see our list of games similar to Alien Marauder.
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- 82%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding, story82% User Score 66 reviews
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements.Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities. If you enjoyed this game, see our list of games similar to Project Astra Dominium.
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- 67%Game Brain ScoreMost mentioned positive aspects:graphics, storyMost mentioned negative aspects:grinding, music67% User Score 81 reviews
An enemy army is at our gates! Build an ideal chain of traps. Use magic and the power of the elements: earth, ice, fire and shadow. If you enjoyed this game, see our list of games similar to Gnumz: Masters of Defense.
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- 79%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding, stability79% User Score 426 reviews
A survival city-building game with flying cities. Build, automate, and defend a flying city to survive in a wacky, nightmare-infested, post-apocalyptic world full of strange science and dreams.Advanced society is long gone, the world is overrun by the Dream Plagues. The only survivors are small nomadic tribes that don’t attract too much attention. And now, the discovery of a long-abandoned project… If you enjoyed this game, see our list of games similar to Dream Engines: Nomad Cities.
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- 78%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, optimization78% User Score 2,144 reviews
Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the Tauron droids' homeworld against a relentless invasion. Will your Taur stand against the Imperion warmachine? If you enjoyed this game, see our list of games similar to Taur.
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- 38%Game Brain ScoreMost mentioned positive aspects:graphics, atmosphereMost mentioned negative aspects:gameplay, music64% User Score 11 reviews
Protect the ark of humanity by building the ultimate defense from scraps of your enemies. Challenge other players in this tough fast-paced Action Tower Defense game with TONS of bullets and enemies on screen. If you enjoyed this game, see our list of games similar to ARDEiN.FALL.
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- 80%Game Brain ScoreMost mentioned positive aspects:graphics, gameplayMost mentioned negative aspects:grinding, stability81% User Score 877 reviewsCritic Score 78%2 reviews
Tower defense game with a 50-level campaign across 5 worlds. If you enjoyed this game, see our list of games similar to Revenge of the Titans.
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- 93%Game Brain ScoreMost mentioned positive aspects:monetization, graphicsMost mentioned negative aspects:grinding93% User Score 2,599 reviews
Build, upgrade and defend in this action-packed offline tower defence If you enjoyed this game, see our list of games similar to 2112TD: Tower Defense Survival.
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- 95%Game Brain ScoreMost mentioned positive aspects:gameplay, musicMost mentioned negative aspects:graphics, story95% User Score 93 reviews
Bullet Hell Insanity + Tower Defense Strategy. Rogue Star Rescue is a quirky new type of rogue-like shooter. Blast your way through diverse planets while rescuing your teammates and gathering traps for your defense strategy. If you enjoyed this game, see our list of games similar to Rogue Star Rescue.
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- 77%Game Brain ScoreMost mentioned positive aspects:story, gameplayMost mentioned negative aspects:grinding, stability84% User Score 5,530 reviewsCritic Score 66%5 reviews
In the RTS-game “Diplomacy is Not an Option” you will become a medieval feudal lord in a midlife crisis. Due to your position you must constantly make hundreds of decisions a day related with city management and economic development. You are tired of this monotonous and, so it seems, meaningless existence. But things are about to change: hordes of bloodlusted enemies, swarms of scary monsters and … If you enjoyed this game, see our list of games similar to Diplomacy is Not an Option.
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Idle Defense throws you into a hypnotic, minimalist arena where neon cubes of every color surge toward you. You can crush them yourself or build an automatic defense grid that grinds them down while you strategize. This isn't just another idle game. It's a deep, neon-soaked loop of progression, prestige, and pure destruction. KEY FEATURES: Dual-Mode Destruction – Play actively by smashing … If you enjoyed this game, see our list of games similar to Idle Defense.
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In Void Guard Outpost you build powerful towers to defend your gate against endless hordes of enemies! This action-packed tower defence game offers tactical depth, epic maps and challenging battles. So, are you ready to stop the invasion? If you enjoyed this game, see our list of games similar to Void Guard Outpost.
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Become the Architect of the ApocalypseSystem Ascension: Idle Core is a story-rich, incremental strategy game where you take control of a stranded artificial intelligence arriving on a mysterious planet. Master interlocking power sources, optimize your resource automation, and engineer the ultimate planetary engine. Will you conquer the old world to bring order to the new? RISE OF THE SYSTEM M… If you enjoyed this game, see our list of games similar to System Ascension: Idle Core.
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- 59%Game Brain ScoreMost mentioned positive aspects:graphics, storyMost mentioned negative aspects:gameplay, optimization59% User Score 137 reviews
Miseria is a dark fantasy idle incremental game in which you lead a party of damned souls through the depths of the world. If you enjoyed this game, see our list of games similar to Miseria.
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- 62%Game Brain ScoreMost mentioned positive aspects:gameplay, musicMost mentioned negative aspects:grinding67% User Score 43 reviews
Consume clusters, harvest biomass, and evolve from a fragile parasite into a sprawling bio-engine of destruction. Your cursor stays at the center of the action as you actively destroy, collect, and grow stronger every run. Unlock upgrades that transform your build with chain lightning, orbiting orbs, explosions, beams, healing effects, and powerful chain reactions. Each evolution layer expands you… If you enjoyed this game, see our list of games similar to DO NOT FEED THE VIRUS.
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- 84%Game Brain ScoreMost mentioned positive aspects:gameplay, graphicsMost mentioned negative aspects:grinding, music84% User Score 206 reviews
It begins with a single rock and a simple goal: break it. Your first hit lands with a satisfying thwack, chipping away a fragment of stone. You hit again. And again. Soon, the rock shatters, revealing a new, tougher layer beneath: Clay. Welcome to Fracture Field, an incremental game about managing a dynamic quarry and wielding earth-shattering power. Master the Swing: Master the rhythm of your s… If you enjoyed this game, see our list of games similar to Fracture Field.
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