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Can't play PSP game with PPSSPP core (On steam version of RetroArch, PPSSPP core didn't show up despite it being installed so i downloaded it from an outside source and it won't
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How to play Sony PSP games in Retro Arch on Linux
Can't change language in PPSSPP libretro core : r/RetroArch
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PPSSPP Core possible SuperSampling? - Cores - Libretro Forums
Sony - PlayStation Portable (PPSSPP) - Libretro Docs