Answer:
In 1976
Colossal Cave Adventure was created
In 1980
Zork: The Great Underground Empire was created
in 1981
Zork II: The Wizard of Frobozz was created
In 1982
Zork III: The Dungeon Master · Deadline was created
In October 19, 1988
Zork Zero was created
In 1993
Return to Zork was created
In February 29, 1996
Zork Nemesis was created
In August 28, 1997
Zork: The Undiscovered Underground was created
In 1976
Colossal Cave Adventure was created
In 1980
Zork: The Great Underground Empire was created
In 1981
Zork II: The Wizard of Frobozz was created
In 1982
Zork III: The Dungeon Master · Deadline was created
In October 19, 1988
Zork Zero was created
In 1993
Return to Zork was created
In February 29, 1996
Zork Nemesis was created
In August 28, 1997
Zork: The Undiscovered Underground was created
In October 31, 1997
Zork: Grand Inquisitor was created
In April 1, 2009
Legends of Zork was created
Explanation:
Hope that help!!!
