A Reddit user claims to have completed the campaign of Call of Duty: Modern Warfare 4 in YOLO mode. This mode requires players to complete the game in one life; if the character dies, all campaign progress is wiped, forcing them to restart from the beginning.
The YOLO mode cannot be selected when first entering the game; players must complete the campaign on any difficulty to unlock it. The mode uses realistic damage rules, requiring players to not only familiarize themselves with level layouts and enemy positions but also control shooting angles, weapon choices, and pacing.
The full-scale invasion scenes in the campaign feature intense gunfire, with civilians scrambling for cover, meaning risks come from more than just enemies. Friendly fire incurs the same penalty as regular death, triggering a reset, and area-of-effect weapons like grenades can also hit allies or civilians, making them difficult to use safely.
This player attributed their success to "pure luck." Currently, only their claimed completion result and the YOLO mode rules are confirmed. Without details such as the full route, total time taken, number of failures, or a complete video recording, it is impossible to determine whether this challenge set a new record.