City Defense Z combines base-building and base defense in a roguelite progression loop. Build by day, defend by night, and face a growing zombie threat. Every defeat unlocks permanent upgrades, helping you rebuild smarter and push further each time. See how many days you can last.

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About This Game

What you do during the day pays off at night: gather resources, place buildings, merge structures, trade resources, choose your NPCs wisely, send them on expeditions, deploy soldiers, merge units, and position your troops strategically.

Factory Buildings: Produce the main resource you need to build and upgrade your base.
Ammunition Buildings: Create ammo for soldiers, defenses, and special attacks.
Barracks Buildings: Train new soldiers every cycle.
Laboratory Buildings: Generate research points for permanent upgrades that carry over between runs.
House Buildings: Increase population limit, allowing you to grow your army.
Merge-Based Building System: Soldiers and buildings automatically merge when placed smartly on the grid.

When night falls, don’t give up if your strategy isn’t working. You still have tricks: call in airstrikes and collect boosters to power up the defense units you placed during the day.

Lost a run? It’s time to come back stronger. Spend the research points you’ve earned, pick the permanent upgrades that match your strategy, and try again. Each run, you’ll get better than the last.

Permanent Meta Progression: 13 research trees providing persistent upgrades.
13 Research Trees: Choose upgrade paths trough 150+ meta upgrades that complement your playstyle.


Constant combat, constant adrenaline! As you defend your city, the action never slows down for a second. Build your strategy and stay in control in the heart of the battle.

Who’s on top? Check the leaderboard… our cat is already watching  👀🐱

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Our team uses AI to generate voice acted characters and to translate all localizations into every supported language.

System Requirements

Windows
SteamOS + Linux
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 , 11 64Bit
    • Processor: Intel Core i5-8400 / AMD Ryzen 5 2600
    • Memory: 12 GB RAM
    • Graphics: Nvidia Geforce GTX970 / AMD Radeon R9 390
    • DirectX: Version 11
    • Storage: 6 GB available space
    • Additional Notes: Keyboard and Mouse
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 , 11 64Bit
    • Processor: Intel Core i7-11700K / AMD Ryzen 7 5800X
    • Memory: 12 GB RAM
    • Graphics: Nvidia Geforce RTX2060 / AMD Radeon RX 5600
    • DirectX: Version 11
    • Storage: 6 GB available space
    • Additional Notes: Keyboard and Mouse
    Minimum:
    • Processor: 2.5 Ghz CPU
    • Memory: 8 GB RAM
    • Graphics: Nvidia Geforce GTX970 / AMD Radeon R9 390
    • Storage: 6 GB available space
    Recommended:
    • Processor: 3.0 Ghz CPU
    • Memory: 12 GB RAM
    • Graphics: Nvidia Geforce RTX2060 / AMD Radeon RX 5600
    • Storage: 6 GB available space

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Mostly Positive (281 reviews)
Recent Reviews:
Very Positive (10 reviews)






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