
As of
30-day average
10 players8 of 30 days observed
| Data | Collected | Observed since | Last success |
|---|---|---|---|
| News and patch notes | Every 7 days (cool tier) | 23 Oct 2026 | |
| Player counts | Every day (cool tier) | 23 Oct 2026 | |
| Store details | Weekly, and when Steam reports a change | 19 Oct 2026 |
Busier games are polled more often. Source: Steam Web API. Not affiliated with Valve.
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.

Price now
$2.59−35% on sale
Lowest we've seen
$2.59−35%, 26 Oct 2026
Sales we've seen
1Deepest −35%, $2.59
| From | Price | Usual | Off |
|---|---|---|---|
| 26 Oct 2026 | $2.59 | $3.99 | −35% |
| 21 Oct 2026 | $3.99 | $3.99 | — |
| Sale | Length | Off | Price | Usual |
|---|---|---|---|---|
| From 26 Oct 2026On now | 4 days | −35% | $2.59 | $3.99 |
−35% sale on now: So far players have averaged 24% fewer than the week before.
| Sale | Off | During | Change |
|---|---|---|---|
| From 26 Oct 2026On now | −35% | 9−24% | On now |
Average players from our own counts over the 7 days before each sale, while it ran, and the 7 days after, kept clear of the sales either side. Steam’s big seasonal sales lift the whole store, so not every rise is this discount alone. How we count
| Poll | Players |
|---|---|
| 02:54 UTC | 6 |
| 29 Oct, 02:46 UTC | 11 |