Jake Hunter, known in Japan as Tantei Jingūji Saburō (探偵神宮寺三郎?, Detective Saburō Jingūji) is a mystery-adventure game series originally developed by Data East in 1987, and later developed by WorkJam and other companies.
Despite its popularity in Japan, only one of its games have been released overseas: Tantei Jingūji Saburō DS: Inishie no Kioku was retitled and released in North America on June 11, 2008 by Aksys Games as Jake Hunter: Detective Chronicles. The game was rereleased on May 26, 2009 as Jake Hunter Detective Story: Memories of the Past, which contains the original three cases with new translations to improve the original game content, plus three new cases, and a large number of unlockables including comics.
The first game of the series, Shinjuku Chūō Kōen Satsujin Jiken (新宿中央公園殺人事件?, Shinjuku Central Park Murder Mystery) was released in 1987 by Data East for the Family Computer Disk System. Numerous sequels have been released since then, and the series marked its 20th anniversary in 2007 by releasing a new title for the Nintendo DS. According to Enterbrain, the franchise has sold over 2,220,000 copies in total, making it one of the longest standing and best-selling Japanese adventure game series in history.
The search for a missing girlfriend results in the discovery of her hiding guns, and the police begin to suspect a link with an underground trafficking organization.
Source: Wikipedia, "Jake Hunter", available under the CC-BY-SA License.