Similar to other fan-made modifications, this ROM hack of Paper Mario: The Thousand-Year Door focuses on Toadette and includes a "Background Fix," indicating improvements to the game's visual elements, most likely related to background graphics or assets. The specific changes to Toadette's role and gameplay are unknown without more information, but this is not an officially published title.

Paper Mario TTYD64 - Toadette wBackground Fix

Paper Mario Multiplayer 1.2