Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
still gunning for both BF2 an HL2, BF has the advantages of easy and quick coding(maybe even familiar), however HL2 offers the use of the source engine, which although slightly more complicated to code than BF2, does allow a lot better game play like realistic suspension and as rich said it allows us to make realistic tunnels. however the drawback of the map sizes may be the only real point against it.