Massive Multiplayer Online TetriNET
You have found the way to TetriNET on Massive Multiplayer Online:
Extreme TetriNET - Home of Team Extreme. Downloads, server listing, game explanation.
Pulper's TetriNET Site - Contains themes, strategies, and downloads.
Raiden's TetriNET Themes - Includes about a dozen themes.
RedBox's TetriNET site - Downloads, themes, and an IP lister that doesn't work if you're on a LAN.
Slanter's TetriNET Emporium - Includes a few themes.
TetriNET - Contains general information about the game.
TetriNET Castle - Includes information on ladder play, clans, downloads, and how to find players.
TetriNET Homepage for DALnet. - IRC channel #Tetrinet on DalNET's homepage. Teams, how-to's, and downloads.
Tetrinet Page - Includes game download and one custom theme.
The Tetrinet Site - Downloads, themes, IP addresses, information guide, and links.
TetrisZone: TetriNet - Screenshots, tips, themes, and links to other Tetris-like games. Help build the largest human-edited directory on the web.