Dungeon of Doom is a game described in the Usborne Publishing book; "Write your own fantasy games for your microcomputer" by Les Howarth and Cheryl Evans. In that book, the reader is encouraged to type out the game from the source listings in the book into their own microcomputer. Supported models include the the Commodore 64, VIC-20, BBC Micro, Acorn Electron and the Sinclair ZX Spectrum.
In this repository, you can find the C64 version of the code for your review. To learn more about how to use the applications, please be sure to check out the Usborne website and download your copy of the book for free.