Twin Kingdom Valley (1983)(Bug-byte Ltd.)
Twin Kingdom Valley (1983)(Bug Byte)[TITLE Start]
Twin Kingdom Valley (1983)(Bug Byte)[h TSTH][bootfile]
Twin Kingdom Valley (1983)(Bug Byte)[b][TITLE Start]
Twin Kingdom Valley (1983)(Bug Byte)[b2][TITLE Start]
Twin Kingdom Valley (1984)(Bug-Byte Software)