Iseshima Mystery Annai: The False Black Pearl - Retro Suspense Adventure

6/16/2026, 4:08:15 PM

Release date: 7/24/2019

Tags: #adventure #pixel-graphics #retro #2d #old-school #mystery #jrpg #visual-novel

User Reviews

Score: 84%Positive
Review Count: 44 reviews
Fetched At: 6/16/2026, 4:08:15 PM

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥ 1,000
Global Price: $9.99
Sale Status: Regular pricing
Price Checked At: 6/16/2026, 4:08:15 PM

Key highlight

Embark on a retro-style suspense adventure in "Iseshima Mystery Annai: Itsuwari no Kuro shinnjyu." Investigate a murder mystery in the Iseshima region using a classic command-based system, all rendered with authentic 8-b

Who this is for

For fans of Famicom-era suspense adventures and mysteries set in the Iseshima region, this game is a must-play. Enjoy unraveling the case at your own pace with nostalgic pixel art and a classic command selection system.

Details

Overview

Step back in time with "Iseshima Mystery Annai: Itsuwari no Kuro shinnjyu," a captivating suspense adventure game that faithfully recreates the charm of 8-bit era gaming. Developed by Happymeal Inc., ESQUADRA,inc. and published by Flyhigh Works, this title plunges players into the scenic Iseshima region of Japan to unravel a dark mystery. You'll play as a detective, partnered with your junior, Ken, as you meticulously investigate crime scenes and interview witnesses to bring a complex case to a close. The game is a brand-new entry in the command-based suspense adventure genre, designed with the limitations of classic hardware in mind to deliver an authentic retro experience.

Highlights

Authentic Retro Experience: Built to the specifications of classic hardware, this game offers a genuine 8-bit visual and gameplay feel, reminiscent of the Famicom era.
Engaging Narrative: The story begins with an unidentified body found in Tokyo's Ueno Park, leading you and your partner Ken to the beautiful Iseshima region in pursuit of a crucial clue: a black pearl named "Aotsuki." What follows is a tragic series of murders.
Classic Command System: Employing a command selection system, players navigate the investigation by choosing actions, much like beloved adventure games of the past.

Who It's For

This game is perfect for players who cherish the nostalgic aesthetics and gameplay mechanics of 8-bit era JRPGs and adventure games. Fans of mystery and detective stories, especially those with a penchant for visual novel elements and a desire for a unique, retro-infused narrative experience, will find much to enjoy here. If you appreciate pixel art and a deliberate, investigative pace, "Iseshima Mystery Annai" is a journey worth taking.

Game Info

Developer: Happymeal Inc., ESQUADRA,inc.
Publisher: Flyhigh Works
Genre: Adventure, RPG
Release Date: July 24, 2019
Features: Single-player, Steam Achievements, Partial Controller Support, Family Sharing
Language: Japanese
Controls: Keyboard controls are detailed, with Z/Enter/Space for confirmation, X/Backspace for cancellation, Esc for menu, and arrow keys/WASD for cursor movement.