If you enjoy the game, the best way to experience it is by purchasing a legitimate copy. This ensures you get official updates automatically and supports future remakes of the Pac-Man World trilogy. Conclusion
No official Nintendo file or reputable homebrew tool uses 101rar . This appears to be: pacman world repac nspusupdate 101rar
Based on the technical file name provided, this refers to a compressed update file for the version of PAC-MAN WORLD Re-PAC . If you enjoy the game, the best way