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!
- Price:$8.99
- Release Date:5/19/2017
- Franchise:D'Avekki Studios
- Developer:D'Avekki Studios Ltd
- Publisher:D'Avekki Studios Ltd
- Last Updated:7/12/2025
- Steam App Id:545540
The Infectious Madness of Doctor Dekker
- Windows
- Mac
- Linux
- Steam Deck (Playable)
Steam Charts, Stats, and Live Player Count
At the moment, The Infectious Madness of Doctor Dekker has 1 concurrent player online and in-game. This is 90% lower than its previous all-time peak of 10 players achieved on 11/3/2024.
Review History Chart
Track historical review trends and overall ratings for The Infectious Madness of Doctor Dekker. It has received a total of 568 reviews on the Steam store and achieved a Player Score of 77 (Very Positive).
Community Hub Members & Followers Chart
Explore the cumulative breakdown of Steam community hub members for The Infectious Madness of Doctor Dekker and its growth over time. It currently has 2,861 followers on its community page.
The Infectious Madness of Doctor Dekker Price
The Infectious Madness of Doctor Dekker costs $8.99 in the Steam store as of 7/12/2025. It can be purchased as a standlone game or through a bundle like Live Action Revolution Bundle, D'Avekki FMV Mega Bundle, Talking Pictures Trilogy, or The Double Dekker FMV Bundle which offer a discount off the game's base price.
Explore the price history chart below to track historical price changes and other pricing stats for The Infectious Madness of Doctor Dekker.
About The Infectious Madness of Doctor Dekker
The Infectious Madness of Doctor Dekker is an Indie, Casual, Simulation, and Adventure game developed by D'Avekki Studios Ltd. On 5/19/2017, it was released on the Steam Store by D'Avekki Studios Ltd.
Players have rated The Infectious Madness of Doctor Dekker as "Very Positive" out of 568 total reviews on the Steam Store. These are split between 467 positive reviews and 101 negative reviews — an overall 82% positive review rating. Additionally, The Infectious Madness of Doctor Dekker has earned a metascore of 78 on Metacritic.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play The Infectious Madness of Doctor Dekker on the Steam Deck but some functionaliy may not be fully supported.
According to Steam’s category system, The Infectious Madness of Doctor Dekker supports the following features:
- Single-player
- Family Sharing
- Steam Achievements
- Steam Trading Cards
From the Steam community, The Infectious Madness of Doctor Dekker has been tagged with the following user tags:
- Drama
- Psychological
- Interactive Fiction
- Dark
- Atmospheric
- Multiple Endings
- Story Rich
- Visual Novel
- Choices Matter
- Psychological Horror
- Lovecraftian
- Simulation
- Mystery
- Horror
- Detective
- Indie
- FMV
- Casual
- Adventure
- Singleplayer
Media & Sceenshots
Watch the featured video for The Infectious Madness of Doctor Dekker and see the latest screenshots from the Steam Store.
Related Bundles
The Infectious Madness of Doctor Dekker is included in 4 bundles in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Live Action Revolution Bundle | 6 | 6 | $24.84 | View |
 | D'Avekki FMV Mega Bundle | 4 | 4 | $45.86 | View |
 | Talking Pictures Trilogy | 3 | 3 | $32.37 | View |
 | The Double Dekker FMV Bundle | 2 | 2 | $19.78 | View |
Related Packages
The Infectious Madness of Doctor Dekker is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| The Infectious Madness of Doctor Dekker | $8.99 | View |
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in realtime to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
The Infectious Madness of Doctor Dekker data has been sourced from:
- Valve Corporation. (2025, July 12). The Infectious Madness of Doctor Dekker on Steam. Steam Store. https://store.steampowered.com/app/545540
- Valve Corporation. (2025, July 12). The Infectious Madness of Doctor Dekker. Steam Community Hub. https://steamcommunity.com/app/545540
- Metacritic. (2025, July 12). The Infectious Madness of Doctor Dekker for PC Reviews. Metacritic. https://www.metacritic.com/game/pc/the-infectious-madness-of-doctor-dekker
- D'Avekki Studios Ltd. (2023, July 8). The Infectious Madness of Doctor Dekker. The Infectious Madness of Doctor Dekker. http://www.doctordekker.com