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.
Compare Prices
2 offers
Launchers
1
Steam
3.99 $
Key Shops
1
Steambuy
2.86 $
BlitzKey doesn't sell keys — we show live store prices. You buy directly from the store.
Price History · 12 mo
Now$3.99
All-time low1.46 $
About
Developer
Soy Boy Games
Publisher
Soy Boy Games
Release
April 24, 2026
Genre
Casual, Strategy
Tags
Single-player
Steam Achievements
Custom Volume Controls
Mouse Only Option
Save Anytime
Steam Cloud
Family Sharing
Languages
Polish, Italian, English, French, Korean, Indonesian, Simplified Chinese, Russian, Portuguese - Brazil, Turkish, Spanish - Spain, German, Japanese
Better to wait
173% above the low. The price drops often.