It's similar to CS, there are 2 sides and various different classes. Can't remember if there was some ranking system as well whereby you can rank up to General or something for better weapons.
A source remake is in the works but as with most mods these days, no release date yet. But you can still grab the original off their site....
http://www.firearms-source.com
If anyone fancies a game let me know and I'll get round to installing it
![Very Happy :D](./images/smilies/icon_biggrin.gif)