Ad Infinitum
All offers (28)
Compare the platform, region and delivery before you buy.
Standard Edition 11 offers · EU & Global
Ad Infinitum GlobalActivation keySteamGlobalLowest price€1.50+ service feeView deal
Ad Infinitum (Global) (PC) - Steam - Digital KeyActivation keySteamGlobal€1.94no Plus, no ProtectView deal
Ad Infinitum PC Steam CD KeyActivation keySteamGlobal€2.11+ payment feeView deal
Ad Infinitum (PC) Steam Key - GLOBALActivation keySteamGlobal€2.26+ service feeView deal- Ad Infinitum (Europe) (PC) - Steam - Digital KeyActivation keySteamEurope€2.27no Plus, no ProtectView deal
Ad Infinitum (PC) Steam Key GLOBALActivation keySteamGlobal€2.34+ fee possibleView deal- Ad Infinitum (PC) Steam Key EUROPEActivation keySteamEurope€2.37+ fee possibleView deal
- Ad Infinitum EU PC Steam CD KeyActivation keySteamEurope€2.86+ payment feeView deal
Supporter Edition 9 offers · EU & Global
- Ad Infinitum Supporter Edition Steam Key (PC) EUROPEActivation keySteamEurope€2.95+ fee possibleView deal
- Ad Infinitum Supporter Edition Bundle EU Steam CD KeyActivation keySteamEurope€3.06+ payment feeView deal
Ad Infinitum Supporter Edition PCActivation keySteamGlobal€3.39View deal- Ad Infinitum Supporter Edition Bundle Steam CD KeyActivation keySteamGlobal€3.58+ payment feeView deal
- Ad Infinitum Supporter Edition (Global) (PC) - Steam - Digital KeyActivation keySteamGlobal€3.61no Plus, no ProtectView deal
- Ad Infinitum Supporter Edition GlobalActivation keySteamGlobal€3.67+ service feeView deal
Ad Infinitum Supporter Edition Steam Key: Europe & UKActivation keySteamEurope€4.28View deal- Ad Infinitum Supporter Edition Steam Key: GlobalActivation keySteamGlobal€4.40View deal
Ad Infinitum Supporter EditionActivation keySteamEurope€39.99View deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermany€19.99No 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 €1.494 Nov 2026
- Highest €2.0011 Oct 2026
- Today €1.50
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Ad Infinitum key: current price comparison
Where is the Ad Infinitum key cheapest?
The cheapest Ad Infinitum key that activates in the EU currently costs €1.50 at GAMIVO. Keyfinder compares 28 offers from 8 shops for this price. That is 92% less than the Steam price of €19.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What does the Ad Infinitum key cost on each platform?
The cheapest key per platform right now: PC €1.50 at GAMIVO and Xbox €7.48 at Kinguin.
What was the lowest Ad Infinitum key price in the last 32 days?
€1.49 on 4 Nov 2026, for the standard edition that activates in the EU. The highest daily low in that time was €2.00 on 11 Oct 2026; today the cheapest key costs €1.50.
Which Ad Infinitum keys activate in the EU?
27 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 Xbox.
How do I activate the Ad Infinitum 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 Ad Infinitum key from GAMIVO?
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 GAMIVO check covers who runs the shop, its fees and its regions.
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About Ad Infinitum
When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?
- Developer
- Hekate
- Publisher
- Nacon
- Release date
- 14 Sept 2023
- Steam
- View on Steam