This service will increase help you to complete all Call of Duty Black Ops Cold War Battle Hardened Zombie challenges for your account. Our booster will log in to your account and play official matchmaking games in order to complete the requested challenges. A booster won't use any kind of cheats or exploits in the process. Our boosters use VPN and change IP to make sure a boosting process is safe.
Requirements for COD:Black Ops Cold War Battle Hardened Zombie Challenges Boost Service:
- There are no special requirements for this service