There are official IRC channels for Duion.com now.

Just wanted to announce our official IRC channels, you can go there if you have questions and/or suggestions to site related topics or just want to chat. It is also intended as a place to find other people to play Übergame.

The channels are on irc.freenode.net :

#duion.com and #duion.com-de (for germans)

For details there is also an IRC-page under the communication-section with some instructions for newbies.