J.B. Harold on Switch
2026-02-18 14:41:22

Classic Hard-Boiled Mystery Adventure 'Detective J.B. Harold's Case Files' Arrives on Nintendo Switch

Classic Hard-Boiled Mystery Adventure Arriving on Nintendo Switch



On February 19, 2024, the timeless hard-boiled mystery adventure game, 'Detective J.B. Harold's Case Files Vol.1: Murder Club', will be available on Nintendo Switch as part of the G-MODE Archives+ revival project. Developed by G-MODE Corporation, based in Shinjuku, Tokyo, this project aims to faithfully recreate classic feature phone games for modern gaming systems.

Originally released in 1986 for personal computers, the 'J.B. Harold' series has earned acclaim as a historic detective adventure game, having been adapted to several platforms over the years. The first game in this beloved series, 'Murder Club', makes a triumphant return with its complete port to the Nintendo Switch, allowing both nostalgia and intrigue to captivate new players.

Dive into the Investigation


The game allows players to immerse themselves in the role of a detective, sorting testimony and evidence to uncover the truth behind a gripping murder case. Set against the atmospheric backdrop of 1980s America, players navigate a gritty world filled with compelling characters.

You will investigate 23 distinct locations and interact with 29 complex individuals, each harboring their own secrets. The engaging storyline poses a tantalizing question: who is lying, and who is revealing the truth?

Unraveling a Dark Mystery


The plot unfolds in the suburb of Liberty Town, where a man's body is discovered in a car at a parking lot. The victim, Bill Robbins, aged 34, was the president of Robbins Motors, and his death is attributed to multiple stab wounds inflicted by a sharp weapon. The motives behind the murder are shrouded in mystery, possibly stemming from either a romantic entanglement or financial disputes.

As the narrative explores the societal challenges characterized by economic upheaval and transformation post-Vietnam War in the 80s, players follow detective J.B. Harold as he quietly navigates a path through a maze of human drama and complex emotions intertwined with the investigation.

Meet the Characters


  • - J.B. Harold: A determined detective of Liberty Town PD known for his thorough investigative approaches and sharp reasoning. He takes on the Robbins murder case while his partner, Judd Gregory, is hospitalized.
  • - Bill Robbins (Victim): A 34-year-old car dealership owner whose tragic end serves as the catalyst for the unfolding story.
  • - Janet Robbins: Bill's enigmatic wife, with a life filled with mysteries concerning her marriage.
  • - Edward Robbins: Bill’s father, a stern figure who values family and business reputation above all else.
  • - Fred Robbins: Bill's brother, who works at a company named HH.

Special Launch Offer


To celebrate the game's release, a 10% discount sale will be held from February 19, 2024. The original price of 800 yen will be reduced to 720 yen for a limited time, so be sure to seize this opportunity!

'Detective J.B. Harold's Case Files Vol.1: Murder Club' Details


  • - Title: G-MODE Archives+ Detective J.B. Harold's Case Files Vol.1: Murder Club
  • - Price: 800 yen (tax included)
  • - Genre: Mystery Adventure
  • - Players: 1
  • - Platform: Nintendo Switch
  • - Language: Japanese
  • - IARC: 12+
  • - Copyrights: ©althi Inc. © G-MODE Corporation
  • - Official Site: G-MODE Archives

About G-MODE Archives


The G-MODE Archives project aims to faithfully reproduce classic mobile games for current console platforms. Focused on rescuing beloved but often forgotten titles, this initiative presents a chance for gamers to enjoy these classic experiences on modern systems while preserving their original gameplay.

If you hold rights or sources to any feature phone games, G-MODE invites you to reach out. Join us in preserving gaming history!

Company Overview


G-MODE Corporation develops and plans game content across mobile, PC, and console platforms. Renowned for its original titles, the company has also launched a revival project for classic feature phone games while expanding its publishing efforts on the Nintendo Switch and other consoles since 2018.

For further information, visit G-MODE at their official website.


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Topics Entertainment & Media)

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