The Infectious Madness of Doctor Dekker
All offers (9)
Compare the platform, region and delivery before you buy.
Standard Edition 7 offers · EU & Global
- The Infectious Madness of Doctor Dekker PC Steam CD KeyActivation keySteamGlobalLowest price€2.89+ payment feeView deal
- The Infectious Madness of Doctor Dekker (PC) Steam Key - EUActivation keySteamEurope€2.97+ service feeView deal
- The Infectious Madness of Doctor Dekker (PC) Steam Key - GLOBALActivation keySteamGlobal€2.97+ service feeView deal
- The Infectious Madness of Doctor Dekker (Global) (PC / Mac / Linux) - Steam - Digital KeyActivation keySteamGlobal€3.17no Plus, no ProtectView deal
- The Infectious Madness of Doctor Dekker Steam Key GLOBALActivation keySteamGlobal€3.18+ fee possibleView deal
The Infectious Madness of Doctor Dekker Steam KeyActivation keySteamGlobal€4.00View deal- The Infectious Madness of Doctor Dekker (PC) - Steam Key - GLOBALActivation keySteamGlobal€4.95+ service feeView deal
Official store Steam · price for Germany
- Steam store pageDirect purchaseSteamGermanyView on Steam
€8.99€2.60No fee
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 €2.8411 Oct 2026
- Highest €2.8918 Oct 2026
- Today €2.89
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy The Infectious Madness of Doctor Dekker key: current price comparison
Where is The Infectious Madness of Doctor Dekker key cheapest?
The cheapest The Infectious Madness of Doctor Dekker key that activates in the EU currently costs €2.89 at Kinguin. Keyfinder compares 9 offers from 6 shops for this price. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What does The Infectious Madness of Doctor Dekker key cost on each platform?
The cheapest key per platform right now: PC €2.89 at Kinguin and Xbox €11.19 at Eneba.
What was the lowest The Infectious Madness of Doctor Dekker key price in the last 32 days?
€2.84 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €2.89 on 18 Oct 2026; today the cheapest key costs €2.89.
Which The Infectious Madness of Doctor Dekker keys activate in the EU?
9 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 Infectious Madness of Doctor Dekker 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 The Infectious Madness of Doctor Dekker 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 The Infectious Madness of Doctor Dekker
YOU are a psychiatrist, trying to solve a murder whilst treating the unusual patients of the recently deceased Doctor Dekker. Type a question - patients reply in full screen video and have questions for you too but be careful what you say. Your words determine their eventual fates, and your own!
- Developer
- D'Avekki Studios Ltd
- Publisher
- D'Avekki Studios Ltd
- Release date
- 19 May 2017
- Steam
- View on Steam












