Game overview
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 tracked players
- 1
- Recorded peak
- 2
- 24-hour change
- Unavailable
Delayed observation · last tracked . Values marked unavailable are not estimated. Recorded peak is the highest player count observed by SteamIQHQ; earlier records may be outside our coverage.
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See what changed in Hell's 8th Avenue: Miori's Mysterious NotebookAbout this game Read the full description

Miori Shihoin, a female detective specializing in investigating anomalies, received a missing persons request one day. Apparently, the individual had disappeared in what is known as 'Illusory 8th Street.'
When Miori arrives at the entrance herself, she discovers that it is a cursed place that traps those with spiritual powers in an endless loop. To break the loop, she must reach 8th Street by pushing forward.
How long will it take her to escape Illusory 8th Street? Can she make it out without being broken herself?

You play as Miori Shihoin, a detective stuck navigating the cursed streets. To progress, use your observational skills to detect anomalies - if one is present, pass under the overpass; if not, continue forward. Each mistake sends Miori back to the start. To escape, you must make all the right choices in a row.
This game tests your attention to detail with anomalies ranging from the obvious to the obscure. Stay vigilant, or expect to get punished for your mistakes!


Quick Time Events
A fun QTE minigame with beautifully animated scenes is in this game! Dispel each anomaly you find with a QTE (which can be adjusted or turned off if you don't feel like they are your style). With each QTE failure, Miori becomes more and more restrained.
Time Attack
Challenge yourself to see how fast you can complete "Purification Mode"! Can you find all the anomalies before time runs out?
Auto-Save
The game will save your current progress automatically, so you don’t have to worry if you accidentally quit without saving.
Media gallery 6 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
Latest news
All news on Steam ↗System requirements Windows
Windows
Minimum
Minimum:- OS *: Windows® 7/8/8.1/10
- Processor: Intel Core2 Duo or better
- Memory: 4 GB RAM
- Graphics: DirectX 9/OpenGL 4.1 capable GPU
- Storage: 2 GB available space
Game details Languages, features & support
- Publisher
- Saikey Studios
- Brazilian rating
- 12
- Steam Germany rating
- 12
- Content warning
- The game contains scenes with ghosts-like effects and corresponding horror atmosphere appear randomly in the game. Some dialogs contain mild cursing as well.
- Achievements
- 5
- Features
- Single-player, Steam Achievements, Steam Cloud, Family Sharing
- Languages
- English, Japanese*, Simplified Chinese, Traditional Chinese
*languages with full audio support - Website
- Official website ↗
- Support
- Support site ↗
More analysis Activity patterns, updates & developer tools
Genre Benchmarks
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