Battle Academy - Operation Sealion
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.
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Base game (1)
This is the base game required to play this DLC. Other expansions may also be required.
Multipacks (1)
DLCs (6)
About Battle Academy - Operation Sealion
"We shall fight on the beaches, we shall fight on the landing grounds, we shall fight in the fields and in the streets, we shall fight in the hills; we shall never surrender . . ."
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. Mount "Butcher and Bolt" missions with the clandestine Auxiliary Units or land coastal raiders from Motor Gun Boats. Can you hold back the might of Operation Sealion?
Features
New British Units - Homeguard, Sticky Bombers, Guy Armoured Car, MkVI Light Tank, A10 and A13 Cruiser tanks, 4inch Gun Lorry, Armadillo Armoured truck, Boyes Rifle Carrier, Auxilliary Unit Commandos and snipers, and Motor Gun Boats
Ten varied single player missions - new "silent kill" attacks allow for clandestine stealth missions, while naval units allow raiders to be transported around coastal maps.
New 1940s British Terrain and Building set, complete with red postboxes and telephone kiosks.
Operation Sealion is and add on for Battle Academy and requires Battle Academy to be played.
Game details
Game details
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Battle Academy - Operation Sealion price history
Lowest tracked price: $3.99 (Jul 7, 2026) · current best: $3.99 across 4 stores.
Battle Academy - Operation Sealion reviews
50% positive reviews all-time.
Battle Academy - Operation Sealion — frequently asked questions
Where can I buy Battle Academy - Operation Sealion at the cheapest price?
Right now the cheapest offer for Battle Academy - Operation Sealion is $3.99 at Steam. KingsPrice compares 4 offers from 4 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Battle Academy - Operation Sealion has ever been?
The lowest price KingsPrice has tracked for Battle Academy - Operation Sealion is $3.99 (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.
Is it safe to buy a Battle Academy - Operation Sealion Steam key from a keyshop?
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. Keyshop prices vs Steam →
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System requirements
Minimum
- OS *: Windows Vista/7/8/10
- Processor: Intel P4/AMD Athlon XP or better
- Memory: 512 MB RAM
- Graphics: 128 MB DirectX 9 Compatible Graphics Card
- DirectX: Version 9.0
- Storage: 100 MB available space
- Sound Card: DirectX Compatible Sound Card
- Additional Notes: 1GB RAM for Vista or above