castle idler
-35%- Genres
- Casual, Strategy
- Released
- 24 Apr, 2026
- Developer
- Soy Boy Games
- Publisher
- Soy Boy Games
castle idler price history
£2.26 today90-day low £2.26 (27 Oct 2026)Lowest recorded £2.2690-day average £2.26
Today's price is the lowest we've seen in the last 90 days. Cheapest UK-working PC key across the stores we compare, any edition; tracked since 27 Oct 2026.
$2.59 today90-day low $2.59 (27 Oct 2026)Lowest recorded $2.5990-day average $2.59
Today's price is the lowest we've seen in the last 90 days. Cheapest US-working PC key across the stores we compare, any edition; tracked since 27 Oct 2026.
€2.59 today90-day low €2.59 (27 Oct 2026)Lowest recorded €2.5990-day average €2.59
Today's price is the lowest we've seen in the last 90 days. Cheapest Europe-working PC key across the stores we compare, any edition; tracked since 27 Oct 2026.
About this game
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.
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.
Trailer
Screenshots
PC system requirements
Minimum
- OS
- Windows 10
- Processor
- 2.7 GHz Dual Core
- Memory
- 4 GB RAM
- Graphics
- 512MB, OpenGL 3+
- Storage
- 200 MB available space
castle idler prices: questions & answers
What is the cheapest castle idler price for PC?
The cheapest castle idler PC key right now is £2.26 at Steam, 35% below the usual price. We compare 2 offers from 2 stores for PC, and prices update at least twice a day.
Cheapest price today: £2.26 at Steam (35% off, usually £3.49). We compare 2 stores for castle idler, and prices update at least twice a day. Prices can change; the store's checkout price is final. Platform and region details come from each store's listing; the store's product page is final. Zemly may earn a commission if you buy through links on this site, at no extra cost to you (affiliate disclosure).