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.

Description

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

  • progress through increasingly difficult levels with trickier paths and tougher enemies

  • unlock powerful prestige upgrades that make your defenses exponentially stronger

wishlist the full game on Steam:

https://store.steampowered.com/app/4082900/castle_idler

(if the demo isn't working on your browser, you can also play the demo on Steam)

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About

Developersoyboygames studio
Number of plays100,000+
Release date10 Oct, 2025
Last updated02 Feb, 2026
Game engineUnity
Maturity ratingAll ages

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