Hell's 8th Avenue: Miori's Mysterious Notebook

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App ID	3641720
App Type	Game
Developer	Magical Ponpon
Publisher	Saikey Studios
Franchise	Saikey Studios
Supported Systems	Windows
Technologies	RPGMaker Engine
Last Changenumber	30817068
Last Record Update	27 August 2025 – 22:17:26 UTC ()
Release Date	23 August 2025 – 03:22:22 UTC ()

❓ 69.85%

31 reviews

In-Game

In this adventure game, play as Miori, a young detective tasked with finding a missing person and purifying the ominous 'Illusory 8th Street.' Challenge your dexterity with fun Quick Time Events and push forward... or get punished for being too slow.

Additional Information

Developer

Magical Ponpon

community_visible_stats

Yes

ReleaseState

released

Publisher

Saikey Studios

Store Release Date

23 August 2025 – 03:22:25 UTC ()

osarch

empty string

community_hub_visible

Yes

Social Media

https://discord.com/invite/EaqZEsP3pV
https://x.com/SaikeyStudios
https://www.youtube.com/@saikeystudios/

Primary Genre

Adventure (25)

Store Genres

Adventure (25), RPG (3)

Steam Release Date

23 August 2025 – 03:22:22 UTC ()

Store Asset Modification Time

15 August 2025 – 16:34:49 UTC () (1755275689)

library_assets

library_capsule	en,ja,zh-tw,zh-cn
library_hero	en
library_hero_blur	en
library_logo	en,ja,zh-cn,zh-tw
library_header	en,ja,zh-cn,zh-tw
logo_position ↴
pinned_position	CenterCenter
width_pct	76.30966239813736
height_pct	87.61576822607456

osextended

empty string

name_localized

japanese	地獄の８番街・少女探偵ミオリの怪異ノート
schinese	地狱的八号街·少女侦探美织的怪异笔记本
tchinese	地獄的八號街·少女偵探美織的怪異筆記本

review_score

review_percentage

Detected Technologies (?)

RPGMaker Engine, Greenworks SDK, NWJS SDK, NodeJS SDK, Vorbis SDK

Content Descriptors

General Mature Content (5)

controllertagwizard

Yes

AI Content Type

First seen on SteamDB

2 April 2025 – 22:43:14 UTC (), in changelist #28277976

Content Descriptors (Including DLC)

General Mature Content (5)

Supported Languages

4 Languages	Interface	Full Audio	Subtitles	Achievements
English	Yes		Yes	Yes
Japanese	Yes	Yes	Yes	Yes
Simplified Chinese	Yes		Yes	Yes
Traditional Chinese	Yes		Yes	Yes

Assets

Load all asset images

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tchinese	444b999a477beafe4a7c00f00039d7067193a25d/capsule_231x87_tchinese.jpg

header_image

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library_assets_full

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logo_position/height_pct	87.61576822607456
library_header ↴
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Assets

main_capsule	fbac88554e8298bb244dcb324a2b86ab2d8c2ec6/capsule_616x353.jpg
small_capsule	1657766dac88cc790119f5dc564f35f55e331acb/capsule_231x87.jpg
header	6153f9df5a25b014d1737297b674b6146fc091b0/header.jpg
page_background	201a95bd697a460ab0f35ec1d1611ae6c41ecba2/page_bg_v6.jpg
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community_icon	efa9ee961463bc0801b610bbc4b5132572e5eb03.jpg
page_background_path	app/3641720
raw_page_background	201a95bd697a460ab0f35ec1d1611ae6c41ecba2/page_bg_raw.jpg
timestamp	23 August 2025 – 04:12:52 UTC

Trailers

257138651 ↴
trailer_name	EN
trailer_category	3
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trailer_480p/video/mp4	257138651/movie480.mp4
trailer_max/video/webm	257138651/movie_max_vp9.webm
trailer_max/video/mp4	257138651/movie_max.mp4
microtrailer/video/webm	3641720/906144920/a0f1eae1873c58f7ab93487833ac67fe24346448/1754961839/microtrailer.webm
microtrailer/video/mp4	3641720/906144920/a0f1eae1873c58f7ab93487833ac67fe24346448/1754961839/microtrailer.mp4
screenshot_medium	257138651/3652bc938fa98c90911b06a11b7f9413ad57a399/movie_600x337.jpg
screenshot_full	257138651/3652bc938fa98c90911b06a11b7f9413ad57a399/movie_full.jpg
trailer_base_id	889712
all_ages	true
is_highlight	true
timestamp	1754966896

Steam charts

Compare

2 players right now
8 24-hour peak
32 all-time peak 23 August 2025

SteamDB.info

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Store data

Owner estimations

~433 by Gamalytic
~870 by VG Insights

Monthly players breakdown

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Steam hub followers history

Initializing followers chart…

User reviews history

❓ Positive
69.85% SteamDB Rating
25 80.6% positive reviews
6 19.4% negative reviews

How many players are playing Hell's 8th Avenue: Miori's Mysterious Notebook right now on Steam?

Steam player counter indicates there are currently 2 players live playing Hell's 8th Avenue: Miori's Mysterious Notebook on Steam.

Hell's 8th Avenue: Miori's Mysterious Notebook had an all-time peak of 32 concurrent players on 23 August 2025.

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Hell's 8th Avenue: Miori's Mysterious Notebook

Additional Information

Supported Languages

Tags

Categories

Assets

Steam charts

Store data

Owner estimations

Monthly players breakdown

Steam hub followers history

User reviews history