DEFCON
All offers (17)
Compare the platform, region and delivery before you buy.
Standard Edition 16 offers · EU & Global
DEFCONActivation keySteamEuropeLowest price€1.95View deal- DEFCON EN/DE/FR/IT/ES GlobalActivation keySteamGlobal€2.69+ service feeView deal
- DEFCON Steam CD KeyActivation keySteamGlobal€2.77+ payment feeView deal
- DEFCON (PC) Steam Key - GLOBALActivation keySteamGlobal€2.85+ service feeView deal
- DEFCON (Global) (PC / Mac / Linux) - Steam - Digital KeyActivation keySteamGlobal€2.88no Plus, no ProtectView deal
- DEFCON Steam Key GLOBALActivation keySteamGlobal€2.96+ fee possibleView deal
- DEFCON GOG CD KeyActivation keyGOGGlobal€3.61+ payment feeView deal
- DEFCON EN/DE/FR/IT/ES GlobalActivation keyGOGGlobal€3.71+ service feeView deal
Official store Steam · price for Germany
- Steam store pageDirect purchaseSteamGermanyView on Steam
€28.99€8.69No fee
Other regions 1 offer
Sold for Latin America, North America, Asia, the Middle East, Russia or an unspecified region. These keys usually cannot be activated from Germany.
- Defcon Steam Gift LATAMSteam giftSteamLatin America€15.76+ service feeView deal
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 €1.9511 Oct 2026
- Highest €1.9511 Oct 2026
- Today €1.95
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy DEFCON key: current price comparison
Where is the DEFCON key cheapest?
The cheapest DEFCON key that activates in the EU currently costs €1.95 at IndieGala. Keyfinder compares 17 offers from 8 shops for this price. That is 78% less than the Steam price of €8.69. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest DEFCON key price in the last 32 days?
€1.95 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €1.95 on 11 Oct 2026; today the cheapest key costs €1.95.
Which DEFCON keys activate in the EU?
16 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 and GOG.
How do I activate the DEFCON 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 DEFCON key from IndieGala?
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 IndieGala check covers who runs the shop, its fees and its regions.
Games like DEFCON
More games by Introversion Software and games in similar genres.
About DEFCON
Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.
- Developer
- Introversion Software
- Publisher
- Introversion Software
- Release date
- 29 Sept 2006
- Steam
- View on Steam












