|Debut|| Nintendo 64|
Super Mario 64
Bowser invaded Princess Peach's Castle and stole the Power Stars. He used them to create worlds inside many of the paintings and walls of the castle. Peach and many of her Toads were also trapped in the paintings of the castle and could only be freed by Mario regaining all of the Power Stars. To ensure that Mario did not disrupt his plans again, Bowser sealed off the doors in the castle with the stars and even created doors that would only open with his keys. Unfortunately for Bowser, he did not lock one door, leading to his undoing as Mario was able to collect stars from the painting beyond that door, and then open other doors and systematically sweep through the castle towards Bowser.