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castle idler

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castle idler

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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.

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Most popular community and official content for the past week. (?)

0.9 Demo Update (last update before 1.0 release!)

Jan 25

Thank you all for playing the demo and providing us so much helpful feedback.

One of the main feedback was the prestige upgrade system felt too linear.

We changed the prestige system so now you have more choice in which upgrades to get.

With the new prestige structure, your playtime to complete the full game will vary depending on your experience with tower defense or idle games. Of course we will balance the game as much as possible to avoid overly OP upgrades.

We project 1.0 to launch this Spring! A formal release date announcement will come soon so make sure you wishlist and follow the game to stay updated.

Other updates:

Added Korean language support

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

castle idler

This is not an idle game

Most of my income came from clicking on stars. The towers did very little work to generate income. After I prestiged, the stars did all of the work.

LivingLitch

Feb 23 @ 3:47pm

General Discussions

0.375 Demo Update

Dec 1, 2025

0.375 Demo Update

towers show attack radius
added Polish language support
changed ice tower sound fx

castle idler

I'm really excited to play the full version

I played the demo version and I think that the game is very nice and chill to play. The only thing is that the cost of items increases very fast.

Ramongracio

Feb 19 @ 1:34pm

General Discussions

Did Seeing this on RCE Youtube channel cause you to download this?

Me yes

FuzzyBunny10

Jan 2 @ 8:44am

General Discussions

a few questions

hi ty for the game how much will this game cost and approx how long is playtime? im definitely buying the game regardless but i was just curious whether i should expect a long idler or a shorter incremental

Shmooguy

Dec 23, 2025 @ 8:26pm

General Discussions

A really fun game :)

I just wish there was a pause option, that is my only thing (I know that enemies entering your kingdom does nothing other than resetting the kill streak- just want to plan). Beyond that, this is a really fun game. I am very excited for the release :3

ReyLee_5

Dec 9, 2025 @ 12:21pm

General Discussions

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