Iseshima mystery annai: Itsuwari no Kuro shinnjyu
舞台は東京から伊勢志摩へ…… ファミコン風アドベンチャーゲームの完全新作！
- Price:$6.99
- Release Date:7/24/2019
- Developers:
- Publisher:Flyhigh Works
- Last Updated:4/17/2026
- Steam App Id:1100030
Iseshima mystery annai: Itsuwari no Kuro shinnjyu
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Iseshima mystery annai: Itsuwari no Kuro shinnjyu has 1 concurrent player online and in-game. This is 75% lower than its previous all-time peak of 4 players achieved on 12/29/2025.
Review History Chart
Track historical review trends and overall ratings for Iseshima mystery annai: Itsuwari no Kuro shinnjyu. It has received a total of 44 reviews on the Steam store and achieved a Player Score of 73 (Positive).
Price History Chart
Track historical price changes and trends for Iseshima mystery annai: Itsuwari no Kuro shinnjyu. Right now, it costs $6.99 in the Steam Store.
Community Hub Members & Followers Chart
Explore the cumulative breakdown of Steam community hub members for Iseshima mystery annai: Itsuwari no Kuro shinnjyu and its growth over time. It currently has 367 followers on its community page.
About Iseshima mystery annai: Itsuwari no Kuro shinnjyu
Iseshima mystery annai: Itsuwari no Kuro shinnjyu is an Adventure, and RPG game developed by Happymeal Inc., and ESQUADRA,inc. On 7/24/2019, it was released on the Steam Store by Flyhigh Works.
Players have rated Iseshima mystery annai: Itsuwari no Kuro shinnjyu as "Positive" out of 44 total reviews on the Steam Store. These are split between 37 positive reviews and 7 negative reviews — an overall 84% positive review rating.
It is available for gamers to download and play for $6.99 which is a 30% discount off its base price. It can also be purchased through ミステリー案内シリーズバンドルパック which gives a discount off its base price. The game also includes a single DLC add-on, 伊勢志摩ミステリー案内 偽りの黒真珠 オリジナル・サウンドトラック available for purchase and download through Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Iseshima mystery annai: Itsuwari no Kuro shinnjyu supports the following features:
- Single-player
- Family Sharing
- Steam Achievements
- Partial Controller Support
From the Steam community, Iseshima mystery annai: Itsuwari no Kuro shinnjyu has been tagged with the following user tags:
- Foreign
- Text-Based
- Atmospheric
- JRPG
- Story Rich
- Visual Novel
- Pixel Graphics
- RPG
- Retro
- Old School
- 1980s
- Mystery
- Choose Your Own Adventure
- Detective
- Anime
- Indie
- Casual
- Adventure
- Singleplayer
- 2D
Media & Sceenshots
Watch the featured video for Iseshima mystery annai: Itsuwari no Kuro shinnjyu and see the latest screenshots from the Steam Store.
DLC & Related Apps
Iseshima mystery annai: Itsuwari no Kuro shinnjyu is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | 伊勢志摩ミステリー案内 偽りの黒真珠 オリジナル・サウンドトラック | DLC | 7/24/2019 | View |
Related Bundles
Iseshima mystery annai: Itsuwari no Kuro shinnjyu is included in 1 bundle in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | ミステリー案内シリーズバンドルパック | 4 | 4 | $49.46 | View |
Related Packages
Iseshima mystery annai: Itsuwari no Kuro shinnjyu is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| 伊勢志摩ミステリー案内 偽りの黒真珠 | $9.99 | View |
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 realtime to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Iseshima mystery annai: Itsuwari no Kuro shinnjyu data has been sourced from:
- Valve Corporation. (2026, April 17). Iseshima mystery annai: Itsuwari no Kuro shinnjyu on Steam. Steam Store. https://store.steampowered.com/app/1100030
- Valve Corporation. (2026, April 17). Iseshima mystery annai: Itsuwari no Kuro shinnjyu. Steam Community Hub. https://steamcommunity.com/app/1100030
- Happymeal Inc.. (2023, July 10). Iseshima mystery annai: Itsuwari no Kuro shinnjyu. Iseshima mystery annai: Itsuwari no Kuro shinnjyu. https://bonusstage.net/kuroshinju/