// Castle Idler(2026)
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Castle Idler FAQ & buying guide
Is Castle Idler worth buying?
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What is Castle Idler about?
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.
Game modes: Single player
Quick answers
What is the cheapest place to buy Castle Idler?
Right now the lowest price for Castle Idler we're tracking is $3.19 at Steam. We compare 1 store and prices refresh every few minutes.
What is the lowest price Castle Idler has ever been?
The lowest price we've recorded for Castle Idler is $3.19 at Steam on June 10, 2026. The current best price matches that all-time low — historically a good time to buy.
Is Castle Idler worth buying?
82% of 128 Steam user reviews for Castle Idler are positive ("Very Positive").
When was Castle Idler released?
Castle Idler released on April 24, 2026, developed by Soy Boy Games and published by Soy Boy Games.
What platforms is Castle Idler available on?
Castle Idler is available on PC (Microsoft Windows), Mac. It supports single player.
Where's the cheapest place to buy Castle Idler?
The cheapest Castle Idler price right now is $3.19 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | -20% | $3.19 | Buy Castle Idler at Steam |
All-time low: $3.19 at Steam on Jun 10, 2026 — the current best price matches it, a good time to buy.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.