This is full list with ranks and abilities in each of them! thx to members of Alserv2000.forumclan.com, specialy to Major Tom, alBert2000, and myljach!!...

This is all about what to do when this error occur, and why that happens....

This is moded Realism server, only few plugins used to not ruin gameplay. This guide is how to play in Expert difficulty, using some information, tactics and video exsamples....

This is RPG L4D2 server with 10 player slots, with progression system and 30 ranks. Killing zombies store points, points unlock player rank, rank unlock weapons, items and powers. Playing give user opportunity to feel progress and rewards....

Here is little tips and tricks how to play on Versus modded public server ...