Johnny Mystery and The Halloween Killer

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App ID	1323600
App Type	Game
Developer	Ma Ma Software
Publisher	Ma Ma Software
Franchise	Ma Ma Software
Supported Systems	Windows
Technologies	VisualNovelMaker Engine
Last Changenumber	28850405
Last Record Update	6 May 2025 – 22:40:47 UTC ()
Release Date	22 June 2020 – 11:01:46 UTC ()

❓ 67.18%

30 reviews

In-Game

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.

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_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	BottomLeft
width_pct	81.38856476079346
height_pct	68.9978627404417

osextended

empty string

review_score

review_percentage

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

english

capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image2x/english	library_600x900_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
image/english	logo.png
image2x/english	logo_2x.png
logo_position/pinned_position	BottomLeft
logo_position/width_pct	81.38856476079346
logo_position/height_pct	68.9978627404417

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	0fb924133ff0e163408dd130bf5502afe8be057d.jpg
page_background_path	app/1323600
timestamp	7 October 2024 – 12:19:55 UTC

Trailers

256789621 ↴
trailer_name	Johnny Mystery and the Halloween Killer
trailer_category	0
trailer_480p/video/webm	256789621/movie480_vp9.webm
trailer_480p/video/mp4	256789621/movie480.mp4
trailer_max/video/webm	256789621/movie_max_vp9.webm
trailer_max/video/mp4	256789621/movie_max.mp4
microtrailer/video/webm	1323600/292961/1b9070e2757fbadb7042e2b7348115529a42d5f4/1751221632/microtrailer.webm
microtrailer/video/mp4	1323600/292961/1b9070e2757fbadb7042e2b7348115529a42d5f4/1751221632/microtrailer.mp4
screenshot_medium	256789621/movie.293x165.jpg
screenshot_full	256789621/movie_full.jpg
trailer_base_id	292961
all_ages	true
is_highlight	true
timestamp	1592393302

Depots

ID	Configuration	Size	DL.
1323601	Windows Johnny Mystery and The Halloween Killer Content	517.64 MiB	354.84 MiB

Total size on disk is 517.64 MiB and total download size is 354.84 MiB.

Branches

Name	Description	Build ID	Time Updated
public		5152998	11 June 2020 – 23:59:08 UTC

Other

Name	Value
baselanguages	English

Johnny Mystery and The Halloween Killer

Additional Information

Supported Languages

Tags

Categories

Assets

Depots

Branches

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