you need the v.55 of MS and the LstMS client download below
new version 55 Client - http://www.mediafire.com/?jpienntbnxo
just extract the client to your ms folder and play when connected to hamachi
This uses hamachi so if you don't have hamachi here is the download - https://secure.logmein.com/products/hamachi/list.asp
The network names and passwords
Network - LstMS
Password - maple
Network - LstMS1
Password - maple
i will add more if needed