: In the original Black Ops, you can unlock secret content at the main menu terminal by typing codes like 3ARC UNLOCK to access all missions and Dead Ops Arcade.

: Features a "mind-bending" narrative following iconic characters like Alex Mason and Frank Woods.

: The primary PC platform for modern Call of Duty titles. Steam : Available for most entries in the franchise.

: Start by using the Quick Play filter to find modes you enjoy and level up your Operator to unlock Custom Loadouts at Player Level 4.

If you are starting your journey in Black Ops Cold War officially, here are key tips: