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Call of Duty: Modern Warfare 4 - All code solutions (safe, container, keypad combinations)

Looking to unlock everything in Modern Warfare 4's campaign? Find the location and solution to every locked door, keypad, and ...
Prima Games

All Call of Duty: Modern Warfare 4 Key Code Solutions & Locations

All the locations and solutions to every Call of Duty: Modern Warfare 4 Key Code, helping you to unlock everything available. Completionists in Call of Duty: Modern Warfare 4 have their work cut out ...