Tank Fortress: Idle Defense

Contains adsIn-app purchases
4.4
60 reviews
10K+
Downloads
Content rating
Everyone 10+
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About this game

Tank Fortress – Merge, Build & Conquer the Wasteland

When machines rebel, humanity’s last hope lies in steel and fire. Build your tank fortress, merge powerful units, and fight to reclaim the world from chaos!

In a world where the Three Laws of Robotics have failed, machines have turned against humanity. Cities once ruled by technology have fallen, forcing survivors to retreat into forests, deserts, and frozen wastelands. Now, the only way forward is war — and your fortress is humanity’s final shield.

šŸ—ļø Build & Upgrade Your Fortress
As commander, your mission is to construct the ultimate tank fortress. Merge tanks to unlock higher-tier units, strengthen your defenses, and deploy your firepower strategically to withstand endless waves of robotic enemies.

šŸ’„ Real-Time Online Battles
Connect with the internet and join global commanders in real-time battles! Compete for resources, dominate the battlefield, and climb the world rankings to prove your strength.

āš™ļø Strategic Tower Defense
Every battle requires smart planning. Choose the right combination of turrets, tanks, and tech upgrades to counter each wave. Positioning and timing decide victory!

šŸŒ Explore and Expand
Travel across deserts, jungles, and icy tundras to reclaim lost human territories. Each region offers new enemies, rewards, and challenges to test your tactics.

🧠 Idle Merge Gameplay
Even when you’re offline, your fortress keeps defending! Merge tanks, upgrade weapons, and come back stronger every time — no heavy grinding required.

šŸ”„ Game Features

Merge and upgrade dozens of unique tanks

Build an unbreakable fortress and defend your homeland

Battle players worldwide in online mode

Unlock new techs and strategies through upgrades

Stunning visuals and explosive effects

Humanity’s fate rests in your hands, Commander.
Build. Merge. Conquer. Restore the world from ruin — in Tank Fortress!
Updated on
11 Oct 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location and Device or other IDs
This app may collect these data types
Location, Personal info and 4 others
Data isn’t encrypted
You can request that data be deleted

Ratings and reviews

4.4
58 reviews
TheLuceon
23 October 2025
Not a bad base but many problems. Monetization is EVERYWHERE. There isn't a single menu without some different ask for money. Idle is very misleading, you can earn very very stingy amounts of resources while afk but other than that, game is completely hands on. All progress is hands on. Finally, there are way too many menus with their own needs that has you constantly going back and forth just to tap the screen again and again. Tedium pretending it's game play.
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Raoul Lopez
21 October 2025
awesome game very well done. and then the begging for money began. upgrade anything pop-up asking me to spend money. pop-ups block the visual reward for upgrading. that alone puts this in the 1 star zone. balance your asks and don't block the screen with pop-ups while I am upgrading and this has the potential to be a 5 star.
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pat a
20 October 2025
needs to be optimized more, screen gets hot battery drain 30% and memory build up around 2gig. after about 20-30 min. but i spent money on it so thats saying something.
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What's new

Fix bugs.