Searching for this is a cry for help from a frustrated fan. People want to give Square Enix money for a functional port, but the company has ignored the game for a decade.
Click File > Add Games and navigate to the folder where you extracted the repack. Apply Performance Patches: drakengard 3 gnarly repacks
Released late in the PS3's lifecycle, the original hardware could barely contain the game. On a physical console, Drakengard 3 Searching for this is a cry for help from a frustrated fan