ADOM, which is regarded by many as the current king of RL's:
Basic Help
Advanced Help
Spoilers
A Yahoo! ADOM Club
Need personal advice? E-mail resident ADOM guru Moloch_King or our other "pro", Melted_Taffy
Angband, another of the greats, regarded by many of the rest to be the current king:
Basic Help
Advanced Help
Spoilers
A Yahoo! Angband/Zangband Club, and one for Angband alone
Crawl, a nifty RL endearing itself to many:
An external site with Crawl tips maintained by RL Club Founder Corzican
NetHack, famous for including everything AND the kitchen sink:
Basic Help
Advanced Help
Spoilers
An external site with downloadable tips and spoilers
The NetHack Lair, yet anther Yahoo! Club
Ragnarok, a good RL for beginners:
Basic Help
Advanced Help
Spoilers
Rogue, Heck, no RL page would be complete without this one!
All-around Help
Zangband, Angband variant:
Basic Help
Advanced Help
Spoilers
Other (non-game) sites:
RL News--if it happens in the RL world, it's covered here!
Yet another RL Games Homepage.
Of course, another shameless plug for the RL Games Club.
And, of course, a link back to the homepage.