Xanadu (1984)(M. Richards & P. Belben)[a][XANADU Start]
LOGO V1 (1984)(Richards Computer Products)
Xanadu Cottage (1984)(Alligata)[h TSTH][bootfile]
Treasure Trail (19xx)(J. Theakston – S. Richards)
BCPL V7.0 (1982)(Richards Computer Products)
Adventurescape Games – Amnesia & Xanadu (19xx)(A&B)[h TSTH][bootfile]