Buy Castle Idler PC
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About Castle Idler
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.
deploy a variety of towers along winding paths and continuously upgrade them.ย
progress through increasingly difficult levels with trickier paths and tougher enemies.
unlock powerful prestige upgrades that make your defenses exponentially stronger.
Game Specifications
- Single player
- Windows
- Mac
System Requirements
Windows
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: 2.7 GHz Dual Core
- Memory: 4 GB RAM
- Graphics: 512MB, OpenGL 3+
- Storage: 200 MB available space
Recommended
- Requires a 64-bit processor and operating system
macOS
Minimum
- OS: Monterey
- Processor: Apple M1
- Memory: 4 MB RAM
- Storage: 200 MB available space
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Price History
Frequently asked questions about Castle Idler
What is the cheapest price for Castle Idler Steam key?
The cheapest redeemable Steam key currently listed is $1.87 at Eneba. Prices were last checked on November 10, 2026.
View key offersWhat is the difference between key and account offers for Castle Idler?
Gamescade currently lists 3 redeemable keys and no account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for Castle Idler?
Minimum PC requirements for Castle Idler include a 2.7 GHz Dual Core CPU, 4 GB RAM, a GPU with 512MB, OpenGL 3+, and 200 MB of available storage. See the full requirements below.
What is the Castle Idler release date?
Castle Idler was released on April 24, 2026.
Is Castle Idler single-player, multiplayer, or co-op?
Castle Idler is listed as a single-player game. No multiplayer or co-op modes are currently listed.
Where can Castle Idler offers be activated?
Current Castle Idler key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
Which platforms have active Castle Idler deals?
Gamescade currently lists active Castle Idler deals for PC.
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