The Infectious Madness of Doctor Dekker (2017)

- Developer
- D'Avekki Studios Ltd
- Platforms
- Windows, macOS, Linux
- Genres
- Adventure, Casual, Indie, Simulation
- Rating
- 4.1 of 5, 612 player ratings
- Typical playtime
- about 9.8 hours
- Where to get it
- Steam

The catalog in 3D
The same catalog has a room you can walk around in. The cat behind the counter is the AI Catbot, and they pick real games from it when you tell them what you feel like playing. Nothing is for sale, here or in there. Go in from here and this game is already out on the counter, with more like it waiting on the shelf next to it.
How it feels
An uneasy, first-person interrogation where every typed word can shift a patient’s trust or fate, wrapped in Lovecraftian dread and FMV immediacy.
tenseatmosphericdarkpsychologicalmysteriousinterrogativeunsettlingbranching
What players say
Players praise the acting and Lovecraftian story, but many find the typing parser frustrating, especially non-native speakers who get stuck on exact wording. The ending is called underwhelming.
Screenshots





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More by D'Avekki Studios
Murderous Muses (2023)
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The Infectious Madness of Doctor Dekker 2 (2026)
This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? You can browse by platform and genre, or take this one into the 3D catalog and ask the Catbot for something closer.