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This content requires the base game Card Storm Idle on Steam in order to play.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
This is the base game required to play this DLC. Other expansions may also be required.
Lowest tracked price: PLN 57.99 (Jul 7, 2026) · current best: PLN 289.99.
Right now the cheapest offer for Card Storm Idle - Keys Booster is PLN 289.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Card Storm Idle - Keys Booster is PLN 57.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Card Storm Idle - Keys Booster drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
