Midnight Mahjong

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App ID	1767310
App Type	Game
Developer	AleCubicSoft
Publisher	OTAKU Plan
Franchise	OTAKU Plan
Supported Systems	Windows
Technologies	Unity Engine
Last Changenumber	29493734
Last Record Update	10 June 2025 – 20:11:59 UTC ()
Release Date	20 November 2021 – 03:00:50 UTC ()

❓ 63.26%

244 reviews

In-Game

Somewhere in Tokyo, in an exclusive mahjong Club. Rei is a clerk in this club. Her job is to play Mahjong with the guests. Players will operate Rei and play with 3 guests in the authentic Japanese Mahjong. Dead wall draw and Last tile from the wall... It all depends on your skills!!

Additional Information

Developer

AleCubicSoft

community_visible_stats

Yes

ReleaseState

released

Publisher

OTAKU Plan

Store Release Date

20 November 2021 – 03:00:59 UTC ()

osarch

empty string

community_hub_visible

Yes

Social Media

https://discord.gg/yW54Vr6Q8Q
https://x.com/otaku_plan

Primary Genre

RPG (3)

Store Genres

Adventure (25), Casual (4), RPG (3)

Steam Release Date

20 November 2021 – 03:00:50 UTC ()

Store Asset Modification Time

2 June 2025 – 09:03:12 UTC () (1748854992)

library_assets

library_capsule	en,zh-cn,ja
library_hero	en
library_logo	en,zh-cn,ja
logo_position ↴
pinned_position	CenterCenter
width_pct	92.32558139534885
height_pct	100

osextended

empty string

name_localized

english	Midnight Mahjong
schinese	深夜麻将
japanese	夜の賭け麻雀

review_score

review_percentage

Detected Technologies (?)

Unity Engine, UnityIL2CPP SDK

Content Descriptors

General Mature Content (5)

First seen on SteamDB

21 September 2021 – 09:05:23 UTC (), in changelist #12625568

Content Descriptors (Including DLC)

General Mature Content (5)

Supported Languages

3 Languages	Interface	Full Audio	Subtitles	Achievements
Japanese	Yes	Yes	Yes	Yes
Simplified Chinese	Yes		Yes	Yes
English	Yes		Yes	Yes

Assets

Load all asset images

clienticon

857a75cd06ac4e062a3a3cc3fd58569a1f6d6024

clienttga

b3e08f8b3dacef5e4993c0765efa90777f100493

icon

5e4d74bdb391f1997e8413e616e9443ef2c525a2

logo

08caa7a6349f763f1a044bbfe0eb5a68360ee297

logo_small

08caa7a6349f763f1a044bbfe0eb5a68360ee297_thumb

small_capsule

english	capsule_231x87.jpg
schinese	capsule_231x87_schinese.jpg
japanese	capsule_231x87_japanese.jpg

header_image

english	header.jpg
schinese	header_schinese.jpg
japanese	header_japanese.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image/schinese	library_600x900_schinese.jpg
image/japanese	library_600x900_japanese.jpg
image2x/english	library_600x900_2x.jpg
image2x/schinese	library_600x900_schinese_2x.jpg
image2x/japanese	library_600x900_japanese_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
image/english	logo.png
image/schinese	logo_schinese.png
image/japanese	logo_japanese.png
logo_position/pinned_position	CenterCenter
logo_position/width_pct	92.32558139534885
logo_position/height_pct	100

Assets

main_capsule	capsule_616x353.jpg
small_capsule	capsule_231x87.jpg
header	header.jpg
hero_capsule	hero_capsule.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	5e4d74bdb391f1997e8413e616e9443ef2c525a2.jpg
page_background_path	app/1767310
timestamp	2 June 2025 – 09:04:48 UTC

Trailers

256858704 ↴
trailer_name	pv
trailer_category	0
trailer_480p/video/webm	256858704/movie480_vp9.webm
trailer_480p/video/mp4	256858704/movie480.mp4
trailer_max/video/webm	256858704/movie_max_vp9.webm
trailer_max/video/mp4	256858704/movie_max.mp4
microtrailer/video/webm	1767310/414049/a8054f4384385148a85db91d15a207e3489018d2/1751028861/microtrailer.webm
microtrailer/video/mp4	1767310/414049/a8054f4384385148a85db91d15a207e3489018d2/1751028861/microtrailer.mp4
screenshot_medium	256858704/movie.293x165.jpg
screenshot_full	256858704/movie_full.jpg
trailer_base_id	414049
all_ages	true
is_highlight	true
timestamp	1636968318

Depots

ID	Configuration	Size	DL.
1767311	Midnight Mahjong Content	146.49 MiB	95.37 MiB
1767312	Japanesejp	146.49 MiB	95.37 MiB
1767313	test	146.49 MiB	95.37 MiB
1767314	Japanesetestjp	146.49 MiB	95.37 MiB

Total size on disk is 585.96 MiB and total download size is 381.47 MiB.

Total size on disk is 292.98 MiB and total download size is 190.74 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		7763116	23 November 2021 – 13:13:20 UTC

Other

Name	Value
baselanguages	English, Simplified Chinese, Japanese

Midnight Mahjong

Additional Information

Supported Languages

Tags

Categories

Assets

Depots

Branches

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