Some Activision websites, products and services may allow you to communicate with other users through forums, chat, and other messaging services. In order to protect your privacy and keep safe whenever online, Activision recommends the following:
If you suspect that a player is cheating, or you feel a player is using language or an emblem that you find offensive, you can report the player without leaving your game. If you choose to report a player who is on your Friends list, you should also remove that player from your Friends list.
Call of Duty can be purchased for PC, Xbox one and Xbox 360, PS4 and PS3. In game purchases are also available.