Hell's 8th Avenue: Miori's Mysterious Notebook
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.
Last Updated: 10/12/2025
| Steam Price | $10.99 |
| Release Date | 8/23/2025 |
| Franchise | Saikey Studios |
| Developer | Magical Ponpon |
| Publisher | Saikey Studios |
| Steam App Id | 3641720 |
Hell's 8th Avenue: Miori's Mysterious Notebook
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.
Last Updated: 10/12/2025
- Windows
- Mac
- Linux
- Steam Deck (Verified)
About Hell's 8th Avenue: Miori's Mysterious Notebook
Hell's 8th Avenue: Miori's Mysterious Notebook is an Adventure, and RPG game developed by Magical Ponpon. On 8/23/2025, it was released on the Steam Store by Saikey Studios.
It can be played and ran on Windows systems. It is verified by Valve as playable on the Steam Deck and will run well.
According to Steam’s category system, Hell's 8th Avenue: Miori's Mysterious Notebook supports the following features:
- Single-player
- Steam Cloud
- Family Sharing
- Steam Achievements
From the Steam community, Hell's 8th Avenue: Miori's Mysterious Notebook has been tagged with the following user tags:
- JRPG
- Magic
- Dark
- Pixel Graphics
- Choices Matter
- RPG
- Mature
- Nudity
- Cute
- Hentai
- Sexual Content
- Anime
- Quick-Time Events
- Colorful
- NSFW
- Action
- Adventure
- Singleplayer
- Female Protagonist
- 2D
Media & Sceenshots
Watch the featured video for Hell's 8th Avenue: Miori's Mysterious Notebook and see the latest screenshots from the Steam Store.
Related Bundles
Hell's 8th Avenue: Miori's Mysterious Notebook is included in 1 bundle in the Steam Store. Purchasing through a bundle can give a large discount off the game's base price if you are willing to purchase multiple apps all at once.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Cute and Funny | 5 | 5 | $45.85 | View |
Related Packages
Hell's 8th Avenue: Miori's Mysterious Notebook is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Hell's 8th Avenue: Miori's Mysterious Notebook | $8.79 | View |
Supported Languages and Localizations
Hell's 8th Avenue: Miori's Mysterious Notebook is available in 4 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Japanese | Yes | Yes | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Chinese (Traditional) | Yes | No | Yes |
Discover Similar Games
Find a new game to play just like Hell's 8th Avenue: Miori's Mysterious Notebook through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Hell's 8th Avenue: Miori's Mysterious Notebook.
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Hell's 8th Avenue: Miori's Mysterious Notebook data has been sourced from:
- Valve Corporation. (2025, October 12). Hell's 8th Avenue: Miori's Mysterious Notebook on Steam. Steam Store.
- Valve Corporation. (2025, October 12). Hell's 8th Avenue: Miori's Mysterious Notebook. Steam Community Hub.
- Magical Ponpon. (2025, April 16). Hell's 8th Avenue: Miori's Mysterious Notebook. Hell's 8th Avenue: Miori's Mysterious Notebook.