Call of Duty Modern Warfare’s multiplayer and spec ops modes feature a large variety of weapons that can be unlocked by leveling up. Additional weapons have been added through free updates that can be unlocked by completing challenges. Both multiplayer and spec ops share the same rank progression and unlocks. Create and sign into a Call of Duty or Activision account in the options menu to also enable cross-progression on PC, PlayStation 4, or Xbox One. Newer Call of Duty […]