: Since it was never a PSP game, the PPSSPP emulator (which only plays PSP files) cannot run it natively.
In the context of game preservation, "compressed" files usually refer to CSO (Compressed ISO) files. These are standard PSP game files that have been reduced in size using tools like YACC (Yet Another CSO Compressor). Legitimate compression can reduce a file size by up to 50% without significant quality loss. : Since it was never a PSP game,
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