- Haunted Cliff House is an area based on the classic Dungeons & Dragons module U1 - The Sinister Secret of Saltmarsh. 
- Hobgoblin Keep is an area based on the classic Dungeons & Dragons module A2 - Secret of the Slaver's Stockade. 
- Complex of Natural Caverns, Hewn Granite Corridors, Labyrinth, Lush Jungle Valley, Obsidian Tower, Realms of Ta, Sweltering Passages, and Volcanic Ledge of Ta is an exact replica (including quests) of an old electronic bbs game called Telearena. The original author of this game was Sean Ferrell.
- Upper Reaches of Apshai is based on the the classic Epyx CRPG, "Temple of Apshai Trilogy".   The room descriptions were taken word for word from the manual that came with the game. As it turns out, in real life Apshai is a minor Egyptian insect god.  I guess that explains the prevalence of insects in the temple.
- Cremona Chasm is based on Desmond P. Varady's  "The Chasm Bridge", an adventure that appeared in Dragon Magazine #131, March 1988. 
- The store, The Call of the Wild, in the Town of Knat sells a pet called, "a chow chow". Tank's private room (vnum 5200) has the following description :
Tank's building room Welcome to Tank's personal cozy den. There are a couple of cushy chairs and a warm fire in the hearth. Pick your feet up and sit a spell. On a table, set apart is a picture of 'Teddy', an orange female chow dog. A caption on the picture reads, 'Bless you girl, I'll miss You!'
- Knat spelled backwards is Tank
- DoD has been running since March, 1998 and was originally located at dod.hpi.net before moving to tdod.org.
- The original suggested name of DoD, was Dawn of Death. Gangien had this name for a MUD he was going to start, but never did. Minex thought the name was to morbid so he changed it to Demise.
- Ash was the first Avatar on DoD.
- Ash was the first dual classed Avatar on DoD.
- The player base has been wiped once in July 2007.