cal

Released in 1991 for the MSX2, *CAL* is a text-based adventure game by Birdy Soft that centers on a protagonist drawn into a web of mysterious disappearances and a clandestine organization following the arrival of a cryptic message. Players must navigate various locations and meticulously gather clues to unravel the true identity of the eponymous "CAL." As a command-input title distributed on three 2DD floppy disks, the game exemplifies the sophisticated narrative-driven experiences prevalent in the Japanese PC adventure scene of the early 1990s.

The story begins when the protagonist receives a mysterious, anonymous message that disrupts their peaceful daily life. This cryptic communication pulls them into a web of inexplicable disappearances and the dark secrets of a clandestine organization. As the player, you must explore various locations and gather clues to uncover the truth behind the events. Ultimately, you are tasked with solving the enigma surrounding the entity known only as "CAL."