
This is an idle auto-battle tower defense game that runs quietly in the corner of the screen while you are busy with other things.
60+ similar titles based on shared tags and player behavior. Themes include Tower Defense, Singleplayer, Idler, Casual.

This is an idle auto-battle tower defense game that runs quietly in the corner of the screen while you are busy with other things.

Idle Monster TD
An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.

Desktop Siege
《Desktop Siege》 is a free tower defense idle game you can play on your desktop. Upgrade your base and defense towers to protect against endless waves of monsters!
An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.
Why similar: Tower Defense 36.7%, Idler 26.4%, Automation 11.4%, Pixel Graphics 8.5%, Combat 6.6%
《Desktop Siege》 is a free tower defense idle game you can play on your desktop. Upgrade your base and defense towers to protect against endless waves of monsters!
Why similar: Tower Defense 46.1%, Idler 39.7%, Pixel Graphics 9.6%, Casual 4.6%
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 48.6%, Idler 32.2%, Automation 9.9%, Strategy 4.6%, 2D 2.9%
Upgrade your Castle and Unlock new tiers of Skills and Weapons to Defend vs Monsters and Bosses across VARIOUS ZONES! Find Rare ITEMS dropped from monsters and bosses and upgrade them to their full potential! Defeat RAID Mega-Bosses to find LEGENDARY items!
Why similar: Tower Defense 48.1%, Idler 37.6%, Pixel Graphics 4.8%, Casual 3.8%, Strategy 3.4%
A place to repair fairy game, can hang up can be manual, free combination of spells, get to know the Tao partner to enhance the strength of the realm.
Why similar: Tower Defense 45.1%, Idler 43.3%, 2D 5.7%, Casual 4.8%, Singleplayer 1.1%
A Tower Defense-style game. Take a strong stance and defend your throne against the brazen and utterly shameless claims of your enemies. With each level, your opponents will become increasingly resourceful... be prepared for anything... from formal charges to an angry mob!
Why similar: Tower Defense 48.6%, Idler 40.7%, Strategy 7.7%, Casual 1.8%, Singleplayer 1.1%
Buy time to harvest resources in this incremental tower defense game where you defend your core from the native species that want you off their home! Play actively and unleash your abilities, or idle and let your turrets take care of the pests.
Why similar: Tower Defense 50.1%, Idler 28.4%, Relaxing 8.3%, 2D 5.3%, Pixel Graphics 3.6%
Protect your base against endless waves. Collect cores from bosses, unlock permanent upgrades, and prestige resets to push further. Refine your setup, survive the swarms, and climb the global leaderboards.
Why similar: Tower Defense 46.7%, Idler 30.2%, Automation 13.4%, Strategy 6.3%, Casual 2.7%
Idle auto‑battle game running quietly in your screen’s corner. Upgrade, unlock weapons, and face endless waves of stronger enemies.
Why similar: Idler 33.1%, Tower Defense 29.3%, Automation 16.6%, Pixel Graphics 9.3%, 2D 4.8%
Modo Defense is a strategy tower defense game. Spin yut, similar to dice, to obtain various resources and summon or strengthen towers. You can customize your tower however you like. Specialize in multi-attack or strong one-by-one! And we have to stop the demons coming in. How far can you stop it?
Why similar: Tower Defense 68.4%, Pixel Graphics 11%, Strategy 10%, 2D 8.7%, Singleplayer 2%
Bug.Splash TD : Debugged is a strategic tower defense experience set in a fantasy universe. Defend your gate against hordes of bugs using a variety of towers and the environment. The game features 24 towers, 15+ enemy types, dedicated idle farming maps, custom diffculty options and tons of upgrades
Why similar: Tower Defense 53%, Idler 34.2%, Pixel Graphics 6.3%, Strategy 5.7%, Singleplayer 0.8%
A horde defense roguelite where thirty thousand enemies flood at once. Build towers, place guns, survive endless waves. The pressure never stops and keeps escalating. Every run is different, every decision matters. How long can you last?
Why similar: Tower Defense 69%, Pixel Graphics 10.9%, Strategy 10.7%, 2D 7.2%, Singleplayer 2.2%
A simple yet unending tower defense game with a mix of idling and incremental progress. Tons of upgrades to purchase and endless progress to achieve.
Why similar: Tower Defense 47.4%, Idler 40.2%, Relaxing 8.2%, Casual 3.3%, Singleplayer 0.8%
You're the Laziest Evil Lord ever—too lazy to fight, yet destined to rule the world. Send minions (automatically), upgrade them with gold and treasures, and conquer 1,000 areas without leaving the throne. Evil has never been this effortless.
Why similar: Tower Defense 51.6%, Idler 35.3%, 2D 6.5%, Casual 5.7%, Singleplayer 0.9%
A thrilling idle tower defense game with automated battles and endless growth! Build your defenses, deploy heroes, and watch your fortress evolve from a humble outpost into an unstoppable stronghold—even while you’re away.
Why similar: Tower Defense 38.4%, Idler 27.3%, Relaxing 8.9%, Pixel Graphics 7.1%, Combat 5.1%
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 40.1%, Idler 30.6%, Relaxing 9.3%, Pixel Graphics 7.4%, 2D 5.2%
An idle tower defense game: build fortifications, manage limited resources, cast spells, and decide which dark lords to save before the final battle against the forces of good. And don’t forget to raise your kraken!
Why similar: Tower Defense 51.7%, Idler 31%, Strategy 7.7%, Combat 4.6%, 2D 4.3%
Pencil Case TD is a tower defense game with pencil cases and stationery as the theme. Players need to use different stationery to guard their scores to get promoted.
Why similar: Tower Defense 63.6%, Pixel Graphics 13.8%, Relaxing 11.7%, 2D 4.6%, Casual 4.2%
The goblin is determined to challenge the princesses! Reborn and reincarnated in an endless labyrinth, all to redeem his past shame. So, what kind of adventure awaits the goblin? Will it be absurdly comical or fraught with hardships? The answers await your discovery!
Why similar: Idler 48.9%, Automation 18.3%, Relaxing 15.1%, Pixel Graphics 11%, Casual 5.3%
castle idler is a short, relaxing incremental tower defense game with no waves. upgrade towers, collect coins, and unlock powerful prestige upgrades to defend your castle.
Why similar: Tower Defense 40.7%, Idler 33.2%, Relaxing 7.6%, Pixel Graphics 6.3%, 2D 4.5%
[Previously called "Tiny Towers"] A short incremental game about defending your tiny fortress from hordes of tiny mobs. Place towers, gain resources by defeating enemies, and unlock new upgrades in the skill tree to strengthen your goblin stronghold.
Why similar: Tower Defense 44.4%, Idler 27.3%, Pixel Graphics 8.7%, Relaxing 5.6%, 2D 5.3%
QUBE: Incremental TD is a crazy mix of an incremental game and tower defense, where upgrade choices matter. Gather resources, build defensive towers, upgrade yourself, and survive as many enemy waves as possible!
Why similar: Tower Defense 52.5%, Idler 29.3%, Strategy 6.7%, Combat 5.8%, 2D 3.1%
Pullstation is an incremental tower defence about saving your space station from the ever-growing horde of UNKNOWN origin.
Why similar: Tower Defense 53.9%, Idler 37%, Casual 6.2%, Strategy 2.9%
Protect the peaceful sleep of Your Meowness in this infinite incremental tower defense. Place fierce warriors, build your own path, unlock a ton of new skills and infinitely upgrade EVERYTHING.
Why similar: Tower Defense 37.9%, Idler 22.6%, Automation 14.9%, Relaxing 7%, Pixel Graphics 5.1%
Light incremental gameplay meets castle defense. When night falls, monsters pour from summoning gates—the city wall is your last stand. Hundreds of archers volley as one, four heroes fight at your side, and each night grows harder than the last.
Why similar: Tower Defense 46.3%, Idler 28.6%, Pixel Graphics 12%, Strategy 5.1%, Relaxing 4%
Every time you think you understand it, it unlocks something else, adding new layers, mechanics, and ways to grow.
Why similar: Tower Defense 44%, Idler 34.7%, Pixel Graphics 6%, Strategy 5.8%, 2D 5.6%
Bubble & Squeak is a tower defence-lite, ambient strategy game where you wander, summon moss creatures, cast hexes, and build up a small camp and cauldron at your own pace.
Why similar: Tower Defense 46.1%, Idler 30%, Pixel Graphics 6.3%, Relaxing 5%, 2D 4.8%
Command your heroes, build unstoppable formations, and hold the line against endless waves. Recruit 40 unique heroes, grow stronger even while offline. Turn your castle into an unbreakable fortress.
Why similar: Tower Defense 48.2%, Idler 29.7%, Pixel Graphics 6.6%, Strategy 5%, Combat 4%
An idle strategy RPG inspired by xianxia. Rise from Qi Refining to Sage, recruit heroes, master divine arts, forge gear, and conquer secret realms and endless waves. Rebirth for permanent bonuses and push your power beyond every limit.
Why similar: Tower Defense 46.8%, Idler 30.1%, Pixel Graphics 7.5%, Casual 5.6%, 2D 4.8%
An idler about collecting energy. Automate the collection process, manage your resources by transferring them between fields and buy awesome upgrades. For what? To get more energy!
Why similar: Idler 47%, Automation 31.5%, Pixel Graphics 12.8%, 2D 3.9%, Casual 3.8%
Pacremental is a incremental game about opening packs, unlocking weapon cards, evolve them and automating your progress. Collect rare artifacts, combine them with weapons, and push through increasingly difficult waves. Build tower your own way.
Why similar: Tower Defense 37%, Idler 28%, Automation 16.4%, Combat 6.2%, Pixel Graphics 5.9%
Fight off alien invaders abducting your cows in this colorful incremental game. Repel hundreds of them at once, collect the rewards, upgrade towers, tools and objects in the tech tree... Specialize and choose your game style and try to reach the next season…
Why similar: Tower Defense 46.2%, Idler 42.3%, 2D 6.3%, Casual 4.3%, Singleplayer 0.9%
Christmas is coming and you must stop it at all cost! Place down towers and ground defences to fight back against Christmas themed enemies. Break through stone and groom snow to expose new buildable areas. Upgrade your towers and collect Christmas cards that apply special abilities.
Why similar: Tower Defense 52.9%, Idler 27.1%, Strategy 7.9%, Relaxing 7.2%, Casual 4.2%
Defend your base, level up, upgrade your defenses, and hire companions in this small incremental semi-idle game with RPG elements.
Why similar: Tower Defense 48.3%, Idler 30.8%, Pixel Graphics 9.9%, 2D 5.5%, Combat 4.6%
AUTOMATE DEATH in this incremental tower defense game, as thousands upon thousands of green-skinned goblins pour into your homeland. Defend humanity. Industrialize the battlefield. Slaughter the green bastards with lead fired at increasingly unreasonable velocities.
Why similar: Tower Defense 47.2%, Idler 32.1%, Automation 14.4%, 2D 5.4%, Singleplayer 0.9%
Escape from daily life and immerse yourself in the exciting tower defense strategy game 'Little TD'. Experience a unique gaming style in 'Little Tower Defense', with various fresh game modes that are different from traditional tower defense.
Why similar: Tower Defense 58.5%, Idler 22%, Strategy 8.8%, Casual 4.9%, 2D 4.1%
A wild mix of action and classic Tower Defense formula. Plan your defenses and dive directly into battle.
Why similar: Tower Defense 72.1%, Pixel Graphics 10.1%, Strategy 7.2%, Combat 5.1%, 2D 4.2%
Protect your base from attack of thousands of aquatic creatures in this Idle tower defense. Earn credits by destroying enemies and spend your credits to upgrade your base with an array of weapons and defenses. Battle varied enemy types across diverse biomes.
Why similar: Tower Defense 55%, Idler 37.2%, Casual 6.5%, Singleplayer 1.3%
Get ready to DEFEND THE WORLD! The biggest sequel in tower defense history is finally here: Fieldrunners 2 has arrived! From Subatomic Studios, creators of the award winning classic strategy game comes an all new adventure that was years in the making.
Why similar: Tower Defense 90.7%, Strategy 6.1%, Casual 3.1%
Combine, automate and upgrade programs to amass a fortune! Infiniclick is a relaxing (or not, it's up to you) incremental game in which your goal is to pay an unfair debt with Fun Corp.
Why similar: Tower Defense 42.2%, Idler 31.2%, Automation 10.9%, Relaxing 5.3%, 2D 5.3%
Idle Tower Defense is a game where you control a single tower to fight off hordes of enemies. No randomization. Choose from a variety of modules to create unique builds and upgrade modules and survive endless waves.
Why similar: Tower Defense 45.2%, Idler 33%, Relaxing 7.6%, Combat 6%, Strategy 3%
A short relaxing incremental game disguised as a tower defense, but enemies can’t reach your walls. Thanks to lava.
Why similar: Tower Defense 36%, Idler 32.6%, Pixel Graphics 9.4%, Relaxing 8.2%, 2D 5.7%
Defend your base with placeable towers that can be upgraded endlessly. Automate your production and make sure there's enough power to keep everything running.
Why similar: Tower Defense 41.7%, Idler 28%, Automation 15%, Combat 4.9%, Strategy 3.6%
Another Dungeon is a Tower Defense in which you must save your fortress from the Ancient Evil!
Why similar: Tower Defense 52.8%, Idler 34.3%, Combat 6.3%, Casual 5.8%, Singleplayer 0.9%
**Idle match-3 + tower defense. Mine early via matching; auto-miners take over later. Build, craft bullets, raise defenses to shield your digs. Explore 9 planets / 50+ monsters / 50+ tech. Each launch is its own campaign — grab one more haul or retreat? Your call.
Why similar: Tower Defense 42.3%, Idler 28.8%, Automation 19.3%, Casual 5%, 2D 3.7%
Fieldrunners is now available on Steam! Download it now to play the hit tower defense game critics and fans have been raving about. Descend into the world of Fieldrunners, the most anticipated and visually stunning game in tower defense history!
Why similar: Tower Defense 89.3%, Strategy 6.9%, Casual 3.8%
A hybrid card game and tower defence where the hands you play become the towers you build. Defeat the enemies approaching the bear's den and find modifiers that support the elements of your defensive strategy.
Why similar: Tower Defense 97.2%, Strategy 2.5%, Singleplayer 0.3%
Cell Defense is an incremental tower defense set inside the body. One antibody holds the center as endless waves of viruses and bacteria close in. Survive, earn, and spend it on weapons, build-defining cards, and upgrades that keep paying out while you idle.
Why similar: Tower Defense 49.2%, Idler 31.6%, Relaxing 6.6%, Strategy 6.3%, 2D 4%
Defense Technica is the next evolution in hardcore tower defense strategy games. Protect the core from an onslaught of unrelenting biomechanical terrors with a powerful range of tower defense units – each with their own upgradable features and methods of attacks.
Why similar: Tower Defense 93.6%, Strategy 6.4%
Defensive Loop is a tower defense game where you protect a small character that moves across the map. As they collect points, you can spend them to build your defenses. The game features incremental elements, allowing you to upgrade several different attributes for every type of defense.
Why similar: Tower Defense 48.9%, Idler 27.7%, Relaxing 7%, Strategy 6.2%, Pixel Graphics 5.4%
Incremental Mazing Tower Defense. No lives, just make more gold. No fixed mob path, create the best maze ever.
Why similar: Tower Defense 56.9%, Idler 22.7%, Relaxing 6%, Casual 4.7%, 2D 4.2%
Evil Defenders is a fun, frenetic defense game: build and upgrade your towers, сast spells to repel enemy forces, use special landmarks and defend the Lands of Evil from invaders! Feel free to play the game in many different ways through unique tower upgrades, a deep skill tree and 100 in-game achievements.
Why similar: Tower Defense 88%, Strategy 8%, Casual 4%
Sit back and enjoy this Idle Block Breaking game where you can take control and break blocks yourself or turn it to idle mode and watch the game play itself!
Why similar: Idler 50.2%, Automation 13.6%, Pixel Graphics 11.5%, Relaxing 9.4%, 2D 8.1%
An idle tower defense game that sits at the bottom of your screen
Why similar: Tower Defense 43.7%, Idler 29.8%, Pixel Graphics 7.1%, Casual 5.2%, 2D 4.5%
An idle tower defense roguelite where you summon enemies, harvest their resources, build defenses, and risk increasingly dangerous challenges. When the run ends, resurrect stronger and push farther.
Why similar: Tower Defense 46.1%, Idler 29%, Automation 15.5%, Strategy 5.8%, Casual 2.6%
A screensaver-inspired idle incremental game. Unlock skills, explode your income, and feel the thrill of the perfect corner hit.
Why similar: Idler 44.9%, Relaxing 14.4%, Automation 14.3%, 2D 8%, Pixel Graphics 7.5%
Experience a first-person tower defense: stand beside a self-firing tower, earn Gold to upgrade Attack, Defense, and Support stats, and survive waves of Fire Piglets and more. Enjoy vibrant visuals and engaging gameplay.
Why similar: Tower Defense 50.3%, Idler 32%, Strategy 9.2%, Combat 6.5%, Casual 1.2%
Idle Spin&Win is a tower defense Idler with luck based mechanics build in. As you clime the enemy waves you unlock new towers and upgrade their power and earn more XP . Collect bonus spins to test your luck. Upgrade the skill tree and research to improve your power and boost your gold.
Why similar: Tower Defense 51.4%, Idler 34.9%, 2D 6.1%, Strategy 5%, Singleplayer 1.4%