Famicom Mini Vol. 28 is a Game Boy Advance (GBA) game that is a re-release of the Famicom Tantei Club Part II: Ushiro Ni Tatsu Shoujo (The Girl Who Stands Behind), which is a detective adventure game originally released for the Nintendo Famicom console in Japan in 1989. In the game, the player takes on the role of a young detective who must solve a series of mysteries and crimes by gathering clues and interviewing suspects. The "Zen Kou Hen" version of the game included in this release is the first part of a two-part story.
