If you're interested in MUD-ding (textbased RPG's played over the internet) then the Chronopia Project could be interesting.

Chronopia.warriors.cx 4000

If you're interested in MUD resources then here's some good sites.

darkoth.mudsrus.com

www.dharvest.com

Then there's the greatest underground e-zine Flashback

www.flashback.se

www.flashback.net

www.flashback.com

Do you want to know how long you'll live?

www.deathclock.com

IRC related links

www.ircn.com

www.mirc.co.uk

www.evilduck.net