Does Eftu have an IRC channel yet?

Yes they have one. Here is the link to the main website page. Click "#efu" at the bottome of the page.

http://www.escapefromunderdark.com/

having trouble joining it. its on a diffrent server than #coa is. is it possible to have them on the same server?

it is, just join :

#efu

server is Darkmyst. Same as CoA's channel.