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.
Sounds like a lot of fun! Your wish should get granted. Potamatt was the genius behind the coop version and he was doing a heap more work on it last I heard. We will have to nudge him...