Look for games in .CSO (Compressed ISO) or .CHD formats. These are native compressed formats that the PPSSPP emulator can read directly without needing to unzip them every time. Where to Find Them
Open PPSSPP, navigate to your "Games" folder, and select your new tiny repack. Top 10 Best PPSSPP (PSP) Games Under 50 MB | All TESTED 50 mb highly compressed ppsspp games repack