Act of War: High Treason
All offers (11)
Compare the platform, region and delivery before you buy.
Standard Edition 11 offers · EU & Global
- Act of War: High Treason Steam CD KeyActivation keySteamGlobalLowest price€0.73+ payment feeView deal
Act of War High Treason PCActivation keySteamGlobal€0.79View deal- Act of War: High Treason EN GlobalActivation keySteamGlobal€0.83+ service feeView deal
- Act of War: High Treason (PC) Steam Key - GLOBALActivation keySteamGlobal€0.83+ service feeView deal
- Act of War: High Treason Steam Key GLOBALActivation keySteamGlobal€0.84+ fee possibleView deal
- Act of War High Treason (Global) (PC) - Steam - Digital KeyActivation keySteamGlobal€0.96no Plus, no ProtectView deal
- Act of War: High Treason EU PC Steam CD KeyActivation keySteamEurope€1.01+ payment feeView deal
- Act of War: High Treason Steam Key GLOBALActivation keySteamGlobal€1.23+ service feeView deal
Official store Steam · price for Germany
- Steam store pageDirect purchaseSteamGermany€2.99No feeView on Steam
You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.
Best price over the last 32 days
- Lowest €0.6711 Oct 2026
- Highest €0.733 Nov 2026
- Today €0.73
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Screenshots
Buy Act of War: High Treason key: current price comparison
Where is the Act of War: High Treason key cheapest?
The cheapest Act of War: High Treason key that activates in the EU currently costs €0.73 at Kinguin. Keyfinder compares 11 offers from 8 shops for this price. That is 76% less than the Steam price of €2.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Act of War: High Treason key price in the last 32 days?
€0.67 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €0.73 on 3 Nov 2026; today the cheapest key costs €0.73.
Which Act of War: High Treason keys activate in the EU?
11 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam.
How do I activate the Act of War: High Treason key?
The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.
Is it safe to buy a Act of War: High Treason key from Kinguin?
Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our Kinguin check covers who runs the shop, its fees and its regions.
Games like Act of War: High Treason
More games by Eugen Systems and games in similar genres.
About Act of War: High Treason
- Developer
- Eugen Systems
- Publisher
- THQ Nordic
- Release date
- 12 Mar 2008
- Steam
- View on Steam














