How 2 unlock guns for call of duty black ops zombies ?

There is no way to unlock all guns in the Call of Duty: Black Ops - Zombie. However, you can upgrade your weapons in the Pack-A-Punch machine in Zombies mode.
Updated on Monday, February 06 2012 at 05:28PM EST
Source: www.cheatcc.com/...
Collections: Zombieblack opsgunsweapons