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

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header_image

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library_header ↴
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header	6153f9df5a25b014d1737297b674b6146fc091b0/header.jpg
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timestamp	23 August 2025 – 04:12:52 UTC

Trailers

257138651 ↴
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trailer_category	3
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trailer_max/video/mp4	257138651/movie_max.mp4
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trailer_base_id	889712
all_ages	true
is_highlight	true
timestamp	1754966896

History

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

Additional Information

Supported Languages

Tags

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