: Traditional versions often require the POPSLoader plugin to be set to a specific firmware version (like 3.51 or 3.52) for the game to function properly. Game Features

You're likely referring to a custom repackaged version of the game for the PSP, which involves creating a playable package (eboot.pbp) that can run on the PSP. This often involves modifying the original game to fit the PSP's hardware capabilities and controls.

Get ready for an adrenaline-packed action experience with Jackie Chan Stuntmaster, now optimized for PSP! This repackaged EBOOT PBP file is compatible with PSP firmware 13 and ensures a seamless gaming experience.

Use WinRAR or 7-Zip to extract the archive. Inside, you should see a named something like SLUS_123.45 or Jackie Chan - Stuntmaster [PSX2PSP] . Inside that folder, look for the EBOOT.PBP file (usually 250MB-400MB).