Blast from the past. I used to own and run a small Lan centre on the sunny east coast and this was by far the favourite game there, at the time of BF2, DOW I and Medal of Honour.
Brillliant, brilliant fun for anyone who missed it or forgot it
http://www.rockpapershotgun.com/2013/05/15/i-see-you-returning-to-the-hidden/#more-153221
I remember this mod when it was released; never got to play it, as I just don't do multiplayer realtime. Indeed it is awesome beyond reason. :)