Best answer: According to several people who have previewed Bowser's Fury, it takes about three hours to beat the game or six hours if you want to 100% complete it. You'll spend your time running around various islands and collecting Cat Shines as Cat Mario with Bowser Jr. at your side.Co-op chaos: Super Mario 3D World + Bowser's Fury ($60 at Best Buy)Fury unleashed: Bowser amiibo ($13 at Best Buy)