COD MW4 Campaign: All codes for safes, doors, and lockboxes
Video Games Chronicle has published a comprehensive guide featuring all safe codes, door codes, and lockbox combinations available in Call of Duty: Modern Warfare 4’s campaign mode. The guide serves as a resource for players seeking to unlock optional content and collect hidden items throughout the single-player campaign.
The codes listed in the guide provide access to safes, secured doors, and lockboxes scattered throughout the campaign missions. These locked containers typically contain optional loot, equipment, or collectibles that can enhance the player experience but are not required to progress through the main story.
Comprehensive code guides like this are standard resources published by gaming media outlets, helping completionists and collectors ensure they discover all available content within a game’s campaign. Such guides are particularly useful for players aiming to achieve 100% completion and unlock all optional items without requiring extensive trial-and-error exploration.