Open at Nine Artbook - Steam Charts & Historical Stats
The artbook of "Open at Nine". Explore historical player activity and pricing for Open at Nine Artbook. Player-count data was last observed Apr 22, 2026.
Genre
Casual
Developer
Black Cat Entertainment
Media Gallery
Screenshots
Player count
System Requirements
Platform Support
Windows
Pricing
Free to Play
Additional Information
Categories
Single-player
Downloadable Content
Steam Achievements
Steam Cloud
Family Sharing
Supported Languages
English, Traditional Chinese, Japanese*, Simplified Chinese
*languages with full audio support
*languages with full audio support
Additional Information
🇧🇷
DEJUS Rating
18
Brazilian rating
🇩🇪
Steam Germany
BANNED
German classification
🆘
Support
⚠️
Content Warning
All character depicted are over the age of 20.
Content Warning! This game contains: paizuri, blowjobs, use of sex toys and sex acts.
Developer Analytics
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About This Game
The artbook of "Open at Nine".
Frequently Asked Questions
Is Open at Nine Artbook free to play?
Yes, Open at Nine Artbook is free to play on Steam.
What genre is Open at Nine Artbook?
Open at Nine Artbook is a Casual, Simulation, Free To Play game.
Who developed Open at Nine Artbook?
Open at Nine Artbook was developed by Black Cat Entertainment and published by Mango Party.
What platforms does Open at Nine Artbook support?
Available on Steam for Windows.