around 7h h for the main story and around 20h h for 100% completion, based on community completion data on GameChart.
Call of Duty: Advanced Warfare has 3 chapters with 15 missions recorded. Players rate every chapter on GameChart.
Community ratings put "Act I: Rise of Atlas" as the lowest-rated chapter (9.5/10 across 2 votes), while "Act III: Collapse" scores highest (9.5/10).