Build your city block by block and defeat waves of mechs in this tower defense roguelike! Combine powerful cannons with unique effects to survive the unforgiving wasteland and explore the underground to gather resources and find powerful relics.

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Free Demo

Play Cannon Keep Demo

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About This Demo

BUILD

Backpack battles meets tower defense! Place and merge buildings onto the grid to grow your defenses. Expand your city\'s borders to increase your damage and scavenge the underground for resources.

DEFEND

Watch your defenses cut down waves of enemies and turn the tides of combat with the commander\'s powerful ability. Combine turrets with various effects to maximize your city\'s defensive capabilities.

PERSIST

Find your way to play by combining different buildings into your own unique strategy. Face growing hordes of enemies and take down their boss to claim a piece of the wasteland for yourself.

AI Generated Content Disclosure

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

To make the game accessible for a wide audience, Large Language Models (LLM) were used to assist with the Localization of in-game text and the store page.

System Requirements

    Minimum:
    • OS *: Windows 7 or newer, 64-bit
    • Processor: Intel Core i3-6100 / AMD FX-8350
    • Memory: 4 GB RAM
    • Graphics: GTX 580 / AMD HD 7870
    • DirectX: Version 11
    • Storage: 200 MB available space
    Recommended:
    • OS *: Windows 7 or newer, 64-bit
    • Processor: Intel Core i5-4670K / AMD Ryzen 5 1500X
    • Memory: 4 GB RAM
    • Graphics: GTX 680 / AMD HD 7970
    • DirectX: Version 11
    • Storage: 200 MB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
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