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It is September 1940, and the Germans launch their invasion of Britain. In this fictional "What If?" Campaign , you command the Home Guard's desperate counterattacks against German glider troops and the tenacious defence of the South Coast Sea Front.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
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Official stores with direct support.
Third-party resellers. Often cheaper, without official store support.
This is the base game required to play this DLC. Other expansions may also be required.
Right now the cheapest offer for Battle Academy - Operation Sealion is PLN 15.31 at Gamivo. KingsPrice compares 3 offers from 3 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Battle Academy - Operation Sealion is PLN 15.19 (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.
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle.
Create a free price alert on this page and KingsPrice will email you when Battle Academy - Operation Sealion 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.
