Box art - Call of Duty: Black Ops

Call of Duty: Black Ops Extra Custom Class Slots

Extra Custom Class Slots

Unlockable How to Unlock
10th Slot Reach 9th Prestige
6th Slot Reach 1st Prestige
7th Slot Reach 3rd Prestige
8th Slot Reach 5th Prestige
9th Slot Reach 7th Prestige