This video shows part 7 of a 100% walkthrough of Super Mario Bros. Wonder. In this part I play as Mario, and complete Castle Bowser which is a part of Petal Isles. The Final Boss Battle, Ending and Credits are shown in this part of the playthrough. All Wonder Seeds, 10-Flower Coins and Secret Exits are covered in this video. Super Mario Bros. Wonder is a game for the Nintendo Switch.

#SuperMarioBrosWonder #SuperMarioWonder #MarioWonder