Here is another interesting mod about surviving round per round... In this mod, your only mission is to kill all aliens and stay alive. Can be played in single and multiplayer (using LAN).
AlensMod update v1.1 is released. All info can be found in Readme JPG file when you download this rar archive. Happy New year and play a lot of mods ...
Just download this and install it anywhere on your PC (first unpack RAR file then run the installer).