You can find the client here:
http://forum.ragezone.com/f311/gunz-2-versions-1-4-a-756031/ (largely useless for now)
and the usual GZF topic about it here:
http://www.gunzfactor.com/f43/some_gunz_2_information-313429.htmlCliffnotes:
* Weapon types: Bare, BnR, DnP, Pistols, Revolvers, SMG, Assault, Sniper, Minigun,
Flamethrower, Shotgun, Grenade, Rocket, RPG, Katana, Blunt, Shield, Chainsaw, Knife, Axe
* The new archive type is "mrf" and is already on its way to being cracked
* Penis!