MS-DOS (Version 2.11, Tandy version 02.11.24) 1986 Tandy MS-DOS (Version 2.11, Tandy version 02.11.24, Alt) 1986 Tandy MS-DOS (Verson 3.20, Tandy version 03.20.21) (Tandy 1000 TX) 1986 Tandy MS-DOS (Verson 3.30, Tandy Version 03.30.20) 1988 Tandy DeskMate (Tandy 1000) 1984 Tandy DeskMate II (Tandy 3000) 1986 Tandy Personal DeskMate 1986 Tandy Personal DeskMate 2 (Tandy 1000 HX) 1987 Tandy Personal DeskMate 2 (Tandy 1000 HX, Alt) 1987 Tandy Personal DeskMate 2 (Tandy 1000 TX) 1987 Tandy King's Quest (Tandy) 1984 Sierra Transylvania (Tandy) 1986 Polarware