castle idler demo on Steam

STEAM

All Games > Strategy Games > castle idler > Demo

Community Hub

castle idler demo

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.

1 user reviews - Need more user reviews to generate a score

Release Date:

Nov 3, 2025

Developer:

Soy Boy Games

Publisher:

Soy Boy Games

Tags

Popular user-defined tags for this product:

+

Screenshot #1

Screenshot #2

Screenshot #3

Screenshot #4

Screenshot #5

Sign in to add this item to your wishlist, follow it, or mark it as ignored

Features

Steam Achievements

Languages:

	Interface	Full Audio	Subtitles
English	✔		✔
French	✔		✔
German	✔		✔
Spanish - Spain	✔		✔
Japanese	✔		✔
Portuguese - Brazil	✔		✔
Portuguese - Portugal	✔		✔
Russian	✔		✔
Simplified Chinese	✔		✔
Spanish - Latin America	✔		✔

See all 10 supported languages

Includes 9 Steam Achievements

new record

first demolition

first tower upgrade

View
all 9

Title: castle idler demo
Genre: Casual, Strategy

Developer: Soy Boy Games

Publisher: Soy Boy Games

Release Date: Nov 3, 2025

External

View discussions Find Community Groups

Embed

Free Demo

Play castle idler demo

Check out the full game

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:

What Curators Say

1 Curator has reviewed this product. Click here to see them.