—if you just want to play the story for the first time. Stick to the English Switch Remake or the US NTSC ISO.
: The Japanese version is famous among speedrunners for glitches that were later patched, such as the "Vivian Softlock" and specific clipping tricks using Bobbery. Technical Specifications Original Title Paper Mario RPG (ペーパーマリオRPG) Region Code Disc Size Developer Intelligent Systems Paper Mario RPG GCN GameCube ISO -JPN-
For enthusiasts and collectors, the Paper Mario RPG GCN GameCube ISO -JPN- represents a rare gem. The Japanese version of the game, often denoted by its regional ISO code, offers a unique experience. It includes text and voice acting in Japanese, providing a different cultural perspective on the game's story and characters. Moreover, for those interested in preserving their digital libraries or playing classic titles on modern hardware, the ISO file serves as a means to experience the game on emulators that support GameCube ISOs. —if you just want to play the story for the first time
I notice you're asking about a ISO for GameCube — specifically the Japanese version. Moreover, for those interested in preserving their digital