castle idler is a short, relaxing idle tower defense game with no waves. idly upgrade towers, collect coins, and unlock a vast skill tree to defend your castle from a slime invasion.
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About This Demo

deploy a variety of towers along winding paths and continuously upgrade them

progress through increasingly difficult levels with trickier paths and tougher enemies

explore the prestige skill tree: unlock permanent, game-changing abilities that make your defenses exponentially stronger

key features:

  • relaxing idle gameplay

  • prestige skill tree of upgrades to explore

  • short and thrilling experience (demo offers 1 hour of playtime)

System Requirements

Windows
macOS
    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
    Minimum:
    • OS: Monterey
    • Processor: Apple M1
    • Memory: 4 MB RAM
    • Storage: 200 MB available space
    Recommended:
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