Paper Mario: The Thousand-Year Door is a role-playing video game developed by Intelligent Systems and published by Nintendo for the GameCube. The Thousand-Year Door is the second Paper Mario game. The Thousand-Year Door borrows many gameplay elements from its predecessor, such as a paper-themed universe and a turn-based battle system with an emphasis on action. For the majority of the game the player controls Mario, although Bowser and Princess Peach are playable at certain points. The plot foll...