Year Name Developer Machines
1980 Zork I - The Great Underground Empire * '
Adventure / Text, Not Classified, | 1P, ???, 		Infocom adam c64 apple2e cpc464 ibm5170 einstein hb701fd mac128k ep64 pcw8256 a500 pc9821 saturn psj
1981 Zork II - The Wizard of Frobozz * '
Adventure / Text, Not Classified, | 1P, ???, 		Infocom adam c64 apple2e cpc464 einstein ibm5170 plus4 hb701fd pcw8256 ep64 a500
1982 Zork III - The Dungeon Master * '
Adventure / Text, Not Classified, | 1P, ???, 		Infocom adam c64 apple2e cpc464 ibm5170 einstein hb701fd pcw8256 ep64
1988 Zork Quest I - Assault on Egreth Castle '
Not Classified, Visual Novel, | 1P, ???, 		Infocom c64 apple2e ibm5170
1989 Zork Quest II - The Crystal of Doom '
Not Classified, Visual Novel, | 1P, ???, 		Infocom c64 apple2e ibm5170