myMC (and its modern forks mymc+ and mymc++) is a utility specifically designed to open .ps2 memory card images, view their contents, import/export individual .psu save files, and even manage other formats like CodeBreaker (.cbs) and Max Drive (.max) files. The original mymc was released into the public domain by Ross Ridge. For modern systems, is recommended as it supports newer Python versions and has additional features.

Once the game boots up, navigate to to verify the load screen reads "Memory Card Loaded Successfully" . Troubleshooting Common Save File Issues

Close the application; your save card is now updated with the newly added custom content.