Security 51
All offers (11)
Compare the platform, region and delivery before you buy.
Standard Edition 11 offers · EU & Global
Security 51 PC Steam CD KeyActivation keySteamGlobalLowest price€2.42+ payment feeView deal
Security 51 Steam Key (PC) GLOBALActivation keySteamGlobal€2.94+ fee possibleView deal
Security 51 GlobalActivation keySteamGlobal€3.34+ service feeView deal
Security 51 (Global) (PC) - Steam - Digital KeyActivation keySteamGlobal€3.77no Plus, no ProtectView deal- Security 51 Steam Key (PC) EUROPEActivation keySteamEurope€5.58+ fee possibleView deal
Security 51 Steam Key: GlobalActivation keySteamGlobal€5.71View deal- Security 51 (Europe) (PC) - Steam - Digital KeyActivation keySteamEurope€6.77no Plus, no ProtectView deal
- Security 51 GlobalActivation keySteamGlobal€8.50+ service feeView deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermany€9.99No 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 €2.4211 Nov 2026
- Highest €4.797 Nov 2026
- Today €2.42
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Security 51 key: current price comparison
Where is the Security 51 key cheapest?
The cheapest Security 51 key that activates in the EU currently costs €2.42 at Kinguin. Keyfinder compares 11 offers from 6 shops for this price. That is 76% less than the Steam price of €9.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Security 51 key price in the last 32 days?
€2.42 on 11 Nov 2026, for the standard edition that activates in the EU. The highest daily low in that time was €4.79 on 7 Nov 2026; today the cheapest key costs €2.42.
Which Security 51 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 Security 51 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 Security 51 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.
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About Security 51
You're a security officer deep within Area 51. Scan the staff, verify clearances, and decide who can enter the elevator and who absolutely mustn't leave. The deeper you go, the less certain you are that anyone standing before you is still human.
- Developer
- Alawar
- Publisher
- Alawar
- Release date
- 12 Aug 2026
- Steam
- View on Steam