Dudley's dungeon
Dudley's dungeon is the webcomic at http://dudley.nicolaas.net
This webcomic is set in NetHack. Our hero, Dudley, wants to obtain the Amulet of Yendor. The webcomic is in ASCII, like NetHack in tty mode, so you can read it even if your web browser does not do graphics.
There is a wiki page about the webcomic at: