Ive just downloaded mb2 and tried a few matches and noticed that all of the playermodels are in a t-pose is there a patch for this or am i missing a mod or file
You need to move the file z_MB_BaseAssets.pk3 from your MBII folder to your base folder.
Please consult this thread before posting in the support section, it includes some useful and important troubleshooting information for getting the game running optimally.
Yes, it's possible without hamachi. You'll need to search for a guide on how to setup a server though. Not everything you need is included with the download.