GTetrinet

[redlabour]

GTetrinet is a client program for the popular Tetrinet game, a multiplayer tetris game that is played over the internet. (If you don't know what Tetrinet is, check out tetrinet.org)

http://gtetrinet.sourceforge.net/

[jdong]

http://packages.ubuntu.com/cgi-bin/search_packages.pl?exact=0&searchon=names&version=all&case=insensitive&release=all&keywords=tetrinet&arch=any

Already in Ubuntu... Do you need a newer version?