Dungeon Hack (CHEAT.TXT)

Cheat mode:

Use a text editor to create a dummy file named aesop.exe in the game 
directory. Type set aesop_diag=1 at the command prompt, then type hack to 
load the game. Press one of the following keys to activate the corresponding 
cheat function. 

Effect Key:

Destroy all monsters       A 
Activate text mode         T 
No clipping                I 
Gain a level               X 
Practice magic, new items  O