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.
Last Updated: 5/12/2026
| Steam Price | $3.99 |
| Release Date | 4/24/2026 |
| Developer | Soy Boy Games |
| Publisher | Soy Boy Games |
| Steam App Id | 4082900 |
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.
Last Updated: 5/12/2026
- Windows
- Mac
- Linux
- Steam Deck (Playable)
About castle idler
castle idler is a Casual, and Strategy game developed by Soy Boy Games. On 4/24/2026, it was released on the Steam Store by Soy Boy Games.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play castle idler on the Steam Deck but some functionality may not be fully supported.
It also supports 12 languanges in-game including English, French, German, Spanish (Spain), and Japanese. Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, castle idler supports the following features:
- Custom Volume Controls
- Steam Cloud
- Mouse Only Option
- Steam Achievements
- Family Sharing
- Single-player
- Save Anytime
From the Steam community, castle idler has been tagged with the following user tags:
- Clicker
- Minimalist
- Management
- Roguelite
- Idler
- Short
- Pixel Graphics
- Tower Defense
- Simulation
- Cute
- Arcade
- Resource Management
- Strategy
- Indie
- Casual
- Relaxing
- Colorful
- Singleplayer
- 2D
Media & Sceenshots
Watch the featured video for castle idler and see the latest screenshots from the Steam Store.
Related Bundles
castle idler is included in 4 bundles in the Steam Store. Purchasing through a bundle can give a large discount off the game's base price if you are willing to purchase multiple apps all at once.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Soy Boy Games Collection | 3 | 2 | $24.61 | View |
| Slay All Bosses: Idle X Castle Idler | 2 | 2 | $8.08 | View |
| Castle Idler X Cult Nation | 2 | 2 | $6.28 | View |
| castle idler x Space Rock Breaker | 2 | 2 | $6.28 | View |
Related Packages
castle idler is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| castle idler | $3.59 | View |
Supported Languages and Localizations
castle idler is available in 12 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| French | Yes | No | Yes |
| German | Yes | No | Yes |
| Spanish (Spain) | Yes | No | Yes |
| Japanese | Yes | No | Yes |
| Portuguese-Brazil | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Russian | Yes | No | Yes |
| Polish | Yes | No | Yes |
| Korean | Yes | No | Yes |
Discover Similar Games
Find a new game to play just like castle idler through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to castle idler.
Features & Categories
Frequently Asked Questions
Soures & References
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castle idler data has been sourced from:
- Valve Corporation. (2026, May 12). castle idler on Steam. Steam Store.
- Valve Corporation. (2026, May 12). castle idler. Steam Community Hub.