Skip to content
POPULAR TODAY AION 2 Deadlock Gears of War: E-Day Marathon The Witcher 3: Wild Hunt — Remastered WARDOGS
Enter Submit to view all results. Ctrl+Enter View and filter in instant search.
Close ×
Search powered by Algolia

Johnny Mystery and The Halloween Killer

Wishlist Follow Ignore Launch Unwatch Watch
App ID 1323600
App Type Game
Developer
Publisher Ma Ma Software
Franchise Ma Ma Software
Supported Systems Windows
Technologies VisualNovelMaker Engine
Last Changenumber 35946306
Last Record Update 18 May 2026 – 20:50:19 UTC ()
Release Date 22 June 2020 – 11:01:46 UTC ()
❓ 66.57%
29 reviews
0
In-Game
🌸 Anime 📚 Visual Novel 🔞 Sexual Content 💘 Dating Sim 🍑 Nudity

On Halloween night, a young detective named Johnny Mystery comes across a girl trying to escape from the police. Then, Johnny tries to unravel an intriguing murder case that happened during a party at the Municipal Music School.

Steam price history

Current Price $0.99
Lowest Recorded Price -61% $0.39 22 December 2022
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar $0.99 $0.99 $0.39 -61% $0.39
Philippine Peso ₱35.00 $0.55 -43.55% $0.22 -60% ₱14.38
Indonesian Rupiah Rp 9999 $0.55 -43.52% $0.23 -50% Rp 4249
Indian Rupee ₹ 54 $0.56 -43.34% $0.21 -75% ₹ 21
Ukrainian Hryvnia 27₴ $0.60 -39.31% $0.17 -62% 8₴
Russian Ruble 51 ₽ $0.61 -38.21% $0.17 -75% 15 ₽
Vietnamese Dong 16000₫ $0.61 -37.83% $0.23 -60% 6000₫
Thai Baht ฿21.00 $0.62 -36.87% $0.27 -60% ฿9.20
Kuwaiti Dinar 0.20 KD $0.64 -34.59% $0.25 -60% 0.08 KD
South African Rand R 11.49 $0.68 -30.44% $0.23 -60% R 4.00
Malaysian Ringgit RM2.89 $0.70 -28.52% $0.29 -60% RM1.20
Chilean Peso CLP$ 715 $0.72 -26.43% $0.25 -75% CLP$ 250
Kazakhstani Tenge 330₸ $0.74 -24.84% $0.28 -50% 125₸
Brazilian Real R$ 3,99 $0.76 -22.89% $0.17 -60% R$ 0,91
Hong Kong Dollar HK$ 6.00 $0.76 -22.76% $0.30 -60% HK$ 2.40
South Korean Won ₩ 1050 $0.77 -21.55% $0.32 -60% ₩ 440
Taiwan Dollar NT$ 25 $0.78 -20.87% $0.25 -64% NT$ 8
Peruvian Sol S/.2.85 $0.82 -17.00% $0.28 -60% S/.1.00
Mexican Peso Mex$ 15.25 $0.83 -15.71% $0.29 -60% Mex$ 5.35
Saudi Riyal 3.15 SR $0.83 -15.47% $0.29 -60% 1.10 SR
Canadian Dollar CDN$ 1.19 $0.83 -15.46% $0.33 -61% CDN$ 0.47
Japanese Yen ¥ 135 $0.85 -13.60% $0.25 -60% ¥ 40
Colombian Peso COL$ 2899 $0.87 -11.94% $0.30 -50% COL$ 1000
Qatari Riyal 3.19 QR $0.87 -11.60% $0.30 -60% 1.11 QR
New Zealand Dollar NZ$ 1.59 $0.89 -9.88% $0.28 -60% NZ$ 0.51
Uruguayan Peso $U36 $0.89 -9.78% $0.29 -75% $U12
Chinese Yuan ¥ 6 $0.89 -9.61% $0.35 -60% ¥ 2.40
CIS - U.S. Dollar $0.90 $0.90 -9.09% $0.34 -76% $0.34
LATAM - U.S. Dollar $0.90 $0.90 -9.09% $0.54 -40% $0.54
MENA - U.S. Dollar $0.90 $0.90 -9.09% $0.54 -40% $0.54
SASIA - U.S. Dollar $0.90 $0.90 -9.09% $0.32 -75% $0.32
U.A.E. Dirham 3.39 AED $0.92 -6.76% $0.32 -60% 1.20 AED
Australian Dollar A$ 1.40 $0.97 -1.96% $0.41 -60% A$ 0.60
Singapore Dollar S$1.25 $0.97 -1.31% $0.34 -60% S$0.44
Swiss Franc CHF 0.85 $1.02 +3.49% $0.48 -60% CHF 0.40
Polish Zloty 4,15zł $1.06 +7.76% $0.36 -60% 1,43zł
Israeli New Shekel ₪3.39 $1.10 +11.47% $0.45 -60% ₪1.40
Euro 1,09€ $1.22 +23.83% $0.34 -61% 0,31€
Costa Rican Colon ₡565 $1.23 +24.82% $0.43 -60% ₡200
Norwegian Krone 12,00 kr $1.24 +25.96% $0.31 -60% 3,00 kr
British Pound £0.95 $1.25 +26.73% $0.40 -61% £0.31
Valve suggested prices are shown on package pages.

Price history

Initializing price history graph…

Click on a currency name to load price history for that particular currency.
View lowest recorded prices on Steam store pages by using our browser extension.

Additional Information

Developer Ma Ma Software
ReleaseState released
Publisher Ma Ma Software
Store Release Date 22 June 2020 – 11:01:56 UTC ()
osarch empty string
community_hub_visible Yes
Primary Genre Indie (23)
Store Genres Indie (23)
Steam Release Date 22 June 2020 – 11:01:46 UTC ()
Store Asset Modification Time 17 June 2020 – 19:52:12 UTC () (1592423532)
library_assets
library_capsuleen
library_heroen
library_logoen
logo_position ↴
pinned_positionBottomLeft
width_pct81.38856476079346
height_pct68.9978627404417
osextended empty string
review_score 6
review_percentage 75
Detected Technologies VisualNovelMaker Engine, NWJS SDK, NodeJS SDK
Content Descriptors General Mature Content (5)
First seen on SteamDB 13 May 2020 – 01:30:03 UTC (), in changelist #8418730
Content Descriptors (Including DLC) General Mature Content (5)

Supported Languages

2 Languages Interface Full Audio Subtitles
English Yes Yes
Portuguese - Brazil Yes Yes

Assets

Load all asset images
clienticon 4efb4c33822eb77f1d87d56e284c06af9579bb43
clienttga 957d9414321ebb512b7d95e986bbe195feb16fec
icon 0fb924133ff0e163408dd130bf5502afe8be057d
logo b6eca4cc18a9b2b1f2bd19241d766429f883668c
logo_small b6eca4cc18a9b2b1f2bd19241d766429f883668c_thumb
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
library_logo ↴
image/englishlogo.png
image2x/englishlogo_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct81.38856476079346
logo_position/height_pct68.9978627404417
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
community_icon0fb924133ff0e163408dd130bf5502afe8be057d.jpg
page_background_pathapp/1323600
last_modified7 October 2024 – 12:19:55 UTC
timestamp7 October 2024 – 12:19:55 UTC

Trailer 292961 ↴

trailer_name Johnny Mystery and the Halloween Killer
trailer_category 0
microtrailer ↴
video/webm 1323600/292961/1b9070e2757fbadb7042e2b7348115529a42d5f4/1751221632/microtrailer.webm
video/mp4 1323600/292961/1b9070e2757fbadb7042e2b7348115529a42d5f4/1751221632/microtrailer.mp4
adaptive_trailers ↴
dash_av1 1323600/292961/1b9070e2757fbadb7042e2b7348115529a42d5f4/1751221632/dash_av1.mpd
dash_h264 1323600/292961/1b9070e2757fbadb7042e2b7348115529a42d5f4/1751221632/dash_h264.mpd
hls_h264 1323600/292961/1b9070e2757fbadb7042e2b7348115529a42d5f4/1751221632/hls_264_master.m3u8
screenshot_medium 256789621/movie.293x165.jpg
screenshot_full 256789621/movie_full.jpg
all_ages true
is_highlight true
timestamp 17 June 2020 – 11:28:22 UTC
Open link