Iseshima mystery annai: Itsuwari no Kuro shinnjyu overview

Happymeal Inc., ESQUADRA,inc. | Jul 24, 2019 | game

Released

0players observed · 3 October 2026 - 19:17:13 UTC

Adventure RPG Pixel Graphics Retro 2D Steam Store

Latest observed playersNot available
SteamPulse tracked peak3
Units sold (VGI)1,112
Revenue (VGI)$8,489
Review score84% positive

Iseshima mystery annai: Itsuwari no Kuro shinnjyu dated player observations, monthly player trends, reviews, and game metadata are tracked on SteamPulse.

Latest observed playersNot available
SteamPulse tracked peak3
Units sold (VGI)1,112
Revenue (VGI)$8,489
Review score84% positive
Total reviews44
Release dateJul 24, 2019
DeveloperHappymeal Inc., ESQUADRA,inc.
PublisherFlyhigh Works

Genres: Adventure, RPG

Company pages: Developer: Happymeal Inc., ESQUADRA,inc.Publisher: Flyhigh Works

Top Steam charts Top 100 games Game directory Steam Store page

Game overview

Overview

Iseshima mystery annai: Itsuwari no Kuro shinnjyu comes from Happymeal Inc., ESQUADRA,inc. and is published by Flyhigh Works. It arrived on Steam on Jul 24, 2019, and it sits naturally among Single-player, Steam Achievements, Partial Controller Support, and Family Sharing. SteamPulse tracks it across Windows and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Iseshima mystery annai: Itsuwari no Kuro shinnjyu's latest SteamPulse observation recorded 0 players at 3 October 2026 - 19:17:13 UTC, with a tracked peak near 3. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 84% positive across 44 reviews.

Language and system requirements

Iseshima mystery annai: Itsuwari no Kuro shinnjyu is available in 1 languages including:

Japanese

3 regional rating boards including dejus, steam germany, and igrs

Platform	Type	OS	Processor	Memory	Graphics	Storage
Windows	Minimum	Not listed	2GHz	Not listed	DirectX11 compatible	100 MB available space

Sales, recommendations, and streams

Iseshima mystery annai: Itsuwari no Kuro shinnjyu has sold up to 1,112 units and has recommendation data pending. The estimated VGI revenue is $8,489. On Twitch, 0 streamers are live with around 0 total watchers.

Detailed game overview

Iseshima mystery annai: Itsuwari no Kuro shinnjyu overview details

Iseshima mystery annai: Itsuwari no Kuro shinnjyu combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

本作は伊勢志摩地方を舞台としたサスペンスADV。アナタは後輩の刑事ケンと、現場検証や聞き込みをして、事件の解決に挑みます。ファミコン風サスペンスコマンドADVの完全新作！コマンド選択式のシステムを採用しているのはもちろん、当時の風合いを完全再現するため、当時のハード仕様に沿って制作。キャラクターデザインは漫画家「荒井清和」氏を起用。【ストーリー】東京で起きた事件は伊勢志摩へ……。東京、上野の公園で発見された名もなき変死体。事故と事件の両面から捜査が進む中、刑事であるアナタと後輩のケンは、事件解決の手がかりとなる遺留品、黒真珠“蒼月”を発見し、伊勢志摩地方へと赴く……。だが、それは伊勢志摩を舞台にした悲しい連続殺人事件の幕開けに過ぎなかった……。【キーボード時操作】決定 : Z , Enter , Space キャンセル : X , BackSpace メニュー : Esc カーソル移動 : 方向キー、WASD

SteamPulse editorial summary

Iseshima mystery annai: Itsuwari no Kuro shinnjyu is listed as a game with $9.99. It supports Windows, belongs to Single-player, Steam Achievements, Partial Controller Support, and Family Sharing, and is associated with Adventure and RPG. SteamPulse's latest observation records 0 players at 3 October 2026 - 19:17:13 UTC, a tracked peak of 3, and 84% positive reviews.

Overview facts

Field	Value
Game	Iseshima mystery annai: Itsuwari no Kuro shinnjyu
Steam App ID	1100030
Type	game
Release date	Jul 24, 2019
Developer	Happymeal Inc., ESQUADRA,inc.
Publisher	Flyhigh Works
Price	$9.99
Platforms	Windows
Genres	Adventure, RPG
Categories	Single-player, Steam Achievements, Partial Controller Support, Family Sharing
Supported languages	Japanese
Website	Official website

Player and review overview

Metric	Value
Latest observed players	0 · 3 October 2026 - 19:17:13 UTC
SteamPulse tracked peak	3
Positive reviews	37
Negative reviews	7
Total reviews	44
Positive percent	84%
Review type	Positive
Recommendations	Not available
Average playtime	502 minutes

SteamPulse record freshness

Field	Value
Steam release date	Jul 24, 2019
Official Steam feed update (UTC)	26 April 2022 - 05:14:42 UTC
SteamPulse last record update (UTC)	3 October 2026 - 19:17:13 UTC
Live player count updated (UTC)	3 October 2026 - 19:17:13 UTC
Store metadata updated (UTC)	3 October 2026 - 19:17:13 UTC

Overview tags

Adventure Pixel Graphics Retro 2D Old School Mystery JRPG Visual Novel Choose Your Own Adventure Casual Text-Based 1980s Detective Story Rich Singleplayer

Highlighted achievements

Achievement	Description
アリバイのララバイ	No description
忍者カイ名人	No description
そうだ！伊勢に行こう！	No description
レイジの証言	No description
アキコさんのバイト	No description
こけしカットの人	No description
2分経ったカナ？	No description
失礼します……	No description
「ゆ」だん大敵	No description
ごちログフリーク	No description

Support and legal notes

Field	Value
Support email	Not available
Support URL	Support page
Legal notice	©Happymeal Inc.

References

Official and third-party reference links for checking this Steam app outside SteamPulse.

Reference	Link
SteamPulse canonical	https://steampulse.org/game/1100030
Steam Store	https://store.steampowered.com/app/1100030/
Steam Community	https://steamcommunity.com/app/1100030
PCGamingWiki search
IGDB search	Search IGDB for Iseshima mystery annai: Itsuwari no Kuro shinnjyu

Game FAQ

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.

What is the latest observed Steam activity for Iseshima mystery annai: Itsuwari no Kuro shinnjyu?

Iseshima mystery annai: Itsuwari no Kuro shinnjyu's latest SteamPulse observation records 0 players at 3 October 2026 - 19:17:13 UTC, with a tracked peak of 3 concurrent players in the available SteamPulse record. SteamPulse also records about 8 hours of average lifetime playtime.

Is Iseshima mystery annai: Itsuwari no Kuro shinnjyu growing or declining recently?

October 2026 is still in progress. The month-to-date average is 0 players; the highest observed daily value is 0 players. Available values are provisional and will continue changing until the UTC month closes. The completed comparison month is September 2026.

What country-level audience data is available for Iseshima mystery annai: Itsuwari no Kuro shinnjyu?

In the observed sample of public reviewer profiles with a visible country, the leading shares are Japan (100%). The separate directional player-region model assigns its leading shares to Japan (52.7%), United States (8.2%), China (7.8%). The directional follower-region model assigns its leading shares to Japan (65.1%), United States (6.7%), China (6.3%). The directional wishlist-region model assigns its leading shares to Japan (42.5%), United States (10%), China (9.4%). Only the reviewer view is based on observed public profile countries; the other percentages are modeled relative weights, not verified account locations or country-level user counts.

What does the Steam review footprint look like for Iseshima mystery annai: Itsuwari no Kuro shinnjyu?

Iseshima mystery annai: Itsuwari no Kuro shinnjyu currently sits at 84% positive across 44 Steam reviews tracked by SteamPulse, including 37 positive reviews and 7 negative reviews. Steam labels the current review summary as Positive.

How much follower and Twitch attention does Iseshima mystery annai: Itsuwari no Kuro shinnjyu have?

Iseshima mystery annai: Itsuwari no Kuro shinnjyu currently has about 367 tracked Steam followers as of 27 January 2026 - 00:00:00 UTC. On Twitch, SteamPulse is matching roughly 0 live viewers across 0 active streams for the game's category.

What is the current Steam price for Iseshima mystery annai: Itsuwari no Kuro shinnjyu?

Iseshima mystery annai: Itsuwari no Kuro shinnjyu is currently listed at $9.99 on Steam. SteamPulse uses the current store snapshot and historical price records to show whether the page is at full price or in a discounted window.

Reviews, pricing, and metadata

Review summary

Positive

84% positive, 37 positive, 7 negative

Price and discount

$9.99

Platforms

Windows

Categories

Single-player, Steam Achievements, Partial Controller Support, Family Sharing

Achievements

Platform releases

Steam 25 July 2019

DLC and packages

伊勢志摩ミステリー案内偽りの黒真珠オリジナル・サウンドトラック舞台は伊勢志摩からカラオケボックスへ…… 待望の「カラオケモード」搭載のDLC！dlc #1102160$4.99

伊勢志摩ミステリー案内偽りの黒真珠Buy Iseshima mystery annai: Itsuwari no Kuro shinnjyu #371275$6.99

System requirements

Minimum requirements

Minimum: OS *: Windows 7 or above Processor: 2GHz Graphics: DirectX11 compatible DirectX: Version 11 Storage: 100 MB available space

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