Paper Mario: TTYD64 is a fan-created ROM hack for the Nintendo 64 that integrates gameplay elements from Paper Mario: The Thousand-Year Door into the original Paper Mario. It features new items, badges, recipes, and expanded areas to explore, enhancing the overall gaming experience while preserving the charm of the original title.
TTYD64 is a PM64 romhack that adds TTYD's gameplay into the original Paper Mario plus all new items, badges, and recipes from that game, and a lot of new areas to explore plus other additions.