Find the diamond hidden inside the mystery house!
Widely regarded as the first Japanese graphic adventure game.
The original MZ-80 version was developed by Tsukasa Moritani and published by Micro Cabin in June 1982.
The PC-6001 version was released sometime in 1983, with porting work done by N Minami at Arrow Soft; according to internal references in the program itself.
In 2022, the PC-6001 game was translated to English.
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