How many people are playing The Infectious Madness of Doctor Dekker right now?

3 people are playing The Infectious Madness of Doctor Dekker on Steam right now, making it the 9412th most played game on Steam. In the last 24 hours it peaked at 3 players. The number updates every few minutes.

What is The Infectious Madness of Doctor Dekker's all-time peak player count?

The Infectious Madness of Doctor Dekker's highest concurrent player count on Steam is 158, reached in May 2017.

Is The Infectious Madness of Doctor Dekker good? What do Steam reviews say?

82% of 552 Steam user reviews are positive (Very Positive).

How much does The Infectious Madness of Doctor Dekker cost on Steam?

The Infectious Madness of Doctor Dekker costs $2.60 on Steam (US), 71% off right now.

Does The Infectious Madness of Doctor Dekker work on Steam Deck?

The Infectious Madness of Doctor Dekker is Playable on Steam Deck (with small issues), according to Valve's Steam Deck compatibility check.

The Infectious Madness of Doctor Dekker

by D'Avekki Studios Ltd · Released May 19, 2017

Steam Deck PlayableLinux & Deck: Bronze

Open in Steam＋ Add to list Compare

Players now

#9,412

newvs 24h ago · updates every minute

Review score

82% positive

Very Positive552 reviews

Owners (est.)50K–100K

24h peak

Highest seen158

May 20179.5 years ago

Price on Steam

$2.60 −71%

$8.99Lowest ever $2.60 Nov 2026

Concurrent players

Last 7 days

Loading…

Players onlineSteam sale started

Media & details

Screenshots, achievements, specs and price history from Steam.

Loading from Steam…

Where to buy

Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.

Steam Official

Prices update every 6 hours

$2.60

Buy

Other authorized stores

No authorized Steam key store lists this game right now.

Checking other stores…

Editions and bundles on Steam

The Infectious Madness of Doctor DekkerEdition
−71% $8.99 $2.60
View The Infectious Madness of Doctor Dekker on Steam
Open this Steam page in…
Always use thisNo Steam app on this device? We'll notice and open the page in your browser instead. You can change this anytime at the bottom of any page.

Bundles with this game (4), biggest discount first

The Double Dekker FMV BundleBundle
−29% $19.78 $14.03
View The Double Dekker FMV Bundle on Steam
Open this Steam page in…
Always use thisNo Steam app on this device? We'll notice and open the page in your browser instead. You can change this anytime at the bottom of any page.
Talking Pictures TrilogyBundle
−18% $32.37 $26.62
View Talking Pictures Trilogy on Steam
Open this Steam page in…
Always use thisNo Steam app on this device? We'll notice and open the page in your browser instead. You can change this anytime at the bottom of any page.
D'Avekki FMV Mega BundleBundle
−13% $45.86 $40.11
View D'Avekki FMV Mega Bundle on Steam
Open this Steam page in…
Always use thisNo Steam app on this device? We'll notice and open the page in your browser instead. You can change this anytime at the bottom of any page.
Live Action Revolution BundleBundle
−8% $65.39 $59.96
View Live Action Revolution Bundle on Steam
Open this Steam page in…
Always use thisNo Steam app on this device? We'll notice and open the page in your browser instead. You can change this anytime at the bottom of any page.

Loading from Steam…

Reviews

82% positive of 552 · Very Positive · Live from Steam

SortLanguage

Loading reviews from Steam…

Steam Deck

Works, but may need extra effort. Results from Valve's own testing.

Steam Deck Playable

!Controller glyphs do not match deck device
!Text input does not automatically invokes keyboard
!Interface text is not legible
!Not fully functional without external keyboard
✓Default controller config fully functional
✓Default configuration is performant

Steam Deck

Loading from Steam…

Patches & builds

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.

Nov 22, 2017, 7:16 PM UTC
Build 2308393the current build when we started tracking16.2 GB on Windows

Patch notes

Nov 22, 2017
Patch1.07 patch - Jaya, Jaya, Jaya...
PATCH NOTES A few keyword and hint improvements. Fixed a bug that prevented Jaya giving hints to go green. At least we think it was a bug, and not just Jaya being difficult :-o
Nov 22, 2017
Patch1.07 patch - Jaya, Jaya, Jaya...
PATCH NOTES A few keyword and hint improvements. Fixed a bug that prevented Jaya giving hints to go green. At least we think it was a bug, and not just Jaya being difficult :-o
Oct 18, 2017
Patch1.06 patch - The "brkn kyb8rd" update!
PATCH NOTES Added "suggested questions" SUGGESTED QUESTIONS There's now a new way to traverse the Dekkerverse... 1. Click the dropdown button at the right of the text box for suggested questions. 2. Click a question, watch the video. 3. Repeat. Use the button …
Oct 18, 2017
Patch1.06 patch - The "brkn kyb8rd" update!
PATCH NOTES Added "suggested questions" SUGGESTED QUESTIONS There's now a new way to traverse the Dekkerverse... 1. Click the dropdown button at the right of the text box for suggested questions. 2. Click a question, watch the video. 3. Repeat. Use the button …
Sep 13, 2017
Patch1.05 Patch
PATCH NOTES Added Linux platform Added subtitle hints for side patients Added multi-language framework Added many many more keywords and combinations LINUX We have tested multiple successful playthroughs on Ubuntu 16.04 LTS 64 bit so that's our recommended pla…
Sep 13, 2017
Patch1.05 Patch
PATCH NOTES Added Linux platform Added subtitle hints for side patients Added multi-language framework Added many many more keywords and combinations LINUX We have tested multiple successful playthroughs on Ubuntu 16.04 LTS 64 bit so that's our recommended pla…

Other news (11)

Feb 6, 2026
Dekker 2 demo releasing next week
The Infectious Madness of Doctor Dekker 2 demo releases next Thursday ahead of Steam Next Fest! The full game sees six more patients on the couch including the return of Marianna and the demo contains one full session with Ophelia - a sculptor with a haunted h…
Jul 15, 2025
Doctor Dekker 2 cast revealed...
The Dekker 2 main cast has been revealed!Head over to the Doctor Dekker 2 Steam page to get the full bios of the cast and characters... please wishlist and / or follow Dekker 2 for more updates!
May 10, 2023
Murderous Muses is out now!
Murderous Muses is out now! 6 Suspects ːsteamthumbsupː New Couch ːsteamthumbsupː Aislinn De'Ath (aka Marianna) ːsteamthumbsupː Same writers ːsteamthumbsupː Doctor Dekker references ːsteamthumbsupː https://store.steampowered.com/app/1727270/Murderous_Muses/
May 21, 2020
Dark Nights with Poe and Munro launches
Our 3rd FMV game, "Dark Nights with Poe and Munro" has just launched along with a new Dekker patient, and a new Dekker bundle! Jump into 6 episodes of supernatural strangeness with The Shapeshifting Detective's radio hosts Poe and Munro, and meet up with a Dek…
Nov 1, 2019
A new Dekker patient is coming to the couch...
We're delighted to announce our latest Doctor Dekker patient, Elizabeth, who will be appearing first in a mind-bending crossover episode of Dark Nights with Poe and Munro. We did mention we're releasing another FMV game, right? Head over to the Dark Nights wit…
Feb 28, 2019
Need another dose of Dekker? Try one more patient... LIVE!
**NEW DATE** This special live stream will now take place on Thursday March 14th at 6pm GMT (11am PDT). ---- Doctor! Another patient needs you... Eve is a brand new patient in the Doctor Dekker universe and she wants to schedule a session with you, LIVE! Set i…

Patches & builds

Loading from Steam…

History

What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.

Review score: 82% on 2026-11-01 → 82% today (552 reviews)

Nov 3, 2026Sale −71%$2.60 (was $8.99)
Nov 1, 2026Price$8.99

History

Loading from Steam…

Trading cards

This game has Steam Trading Cards. We're pricing the set now; check back in a few minutes.

Trading cards

Loading from Steam…