Pac-man World Re-pac -0100d4401565e000--v0--us-... -

It looks like you’re referencing a specific identifier for — possibly a save file hash, debug code, or internal title ID (common on Nintendo Switch, PlayStation, or Xbox). The string -0100D4401565E000 resembles a Switch Title ID (for the eShop version), while --v0--US suggests a base US version save file.