Eamon Dungeon Designer
The Eamon Dungeon Designer, also commonly known as the Dungeon Designer Diskette or the DDD, is a set of programs that allows users to create their own custom adventures for The Wonderful World of Eamon.
Version 4 was the first fully standardized version of the designer.
John Nelson developed version 6 of the DDD in the mid 1980s.
Tom Zuchowski developed version 7 of the DDD in the early 1990s.