The Official Forum of Samar Underground - The Point of Convergence of the Samarnon Friendship
+about, +samar, +calbayog, +tacloban, +catbalogan, +music, +waray, +sector, +friendship

Sly's Underground Territory: Free forum for discussing animes, games and much more!
+sly's, +sly's, +territory, +territory, +free, +forum, +dragonball, +discussion, +anime, +sly's, +forum, +manga, +video, +game

Suikoden Underground Forum- Discuss the greatness of Suikoden
+suikoden

Free forum : Get in contact with custom enthusiast all over the world on Underground-Scene.com Magazine forum..
+free, +forum

Flyff-Underground High Rate Private Server
+high, +rate, +private, +server

For those of us who'd rather have something to do...
+free, +forum, +freeman

Edw 8a milame kyriws gia 4agmena RPG kai gia tropous dhmiourgias tous!

The covert community for Smash players!
+free, +forum, +smash, +brawl, +community, +video, +games

Underground Metal Forum
+metal, +forum

An extension of the TUGSB blogspot for folks to chat and all that!
+strikes, +back, +forum

United Alliance Underground
+united, +alliance

Presented By Dj Excess, Mc Bouncin & The Spanish Underground Team
+excess, +spanish, +bouncin, +ruption, +monkey, +rave, +northern, +rave, +ultimate, +buzz, +dimensional, +darkbase

THE place on the web to discover the best rock bands that proclaim the gospel of Jesus Christ!
+christian, +metal, +rock, +christian, +music, +bible, +study, +skillet, +kutless, +narnia, +whitecross, +stryper, +building, +third, +disciple, +deliverance, +crystavox, +mission, +guitars, +titanic

Free forum : Welcome to RCU.A new place for cheaters, programer, coder and trainer maker!~this is currently under customisation.but please enjoy here
+free, +forum, +reaper12, +renegade, +cheaters, +darkogg

The #1 place to discuss underground hiphop, and hiphop at it's finest.
+free, +forum, +pure, +good, +hip-hop

Ohio Underground Street Racing
+ousr, +ohio, +forum

A Forum made for all purposed but its main three being Videogames, General Stuff, and of the UCH as well.
+forum, +made, +purposed, +main, +three, +being, +videogames, +general, +stuff, +well.

DARKPSY, underground trance forum from portugal.
+darkpsy, +trance, +forum, +from, +portugal.

Watch-Movie underground. Movie fans forum
+free, +forum, +movies, +watch, +fans, +group, +watch-movies.net, +watch-movie, +movie.forumotion

Wirral Underground On-Line forum
+free, +forum

SoVIeT's UnderGrounD
+free, +forum

Wrestling RP.
+wrestling

Free forum : The Underground Network
+free, +forum

Free forum : An old CounterStrike family that has seen it all.
+free, +forum

Once you enter, you will never leave
+once, +enter, +will, +never, +leave