Instead of hunting for “highly compressed” packs, consider:
Originally popularized by the PlayStation Portable (PSP) emulation scene, CSO is also fully supported by PCSX2. While effective, it sometimes results in slightly larger file sizes and slower loading times compared to CHD. Step-by-Step: How to Compress Your Own PCSX2 Games Safely pcsx2 games highly compressed work
The preferred format for modern PCSX2 emulation is . Originally created for the MAME arcade emulator, CHD is a lossless compression format perfectly suited for disc-based games. Originally created for the MAME arcade emulator, CHD
Ideal for keeping a large library on portable hard drives or on mobile devices (Android). Disadvantages & Potential Issues You must approach these files with extreme caution
chdman createcd -i "your_game.cue" -o "your_game.chd"
If you search the internet, you will find websites or YouTube videos claiming to offer Grand Theft Auto: San Andreas or God of War compressed down to 50 MB or 100 MB. You must approach these files with extreme caution.
The game works, but the uploader completely deleted the audio files, full-motion videos (FMVs), and textures to shrink the size. This ruins the gaming experience. The Safe Way: Official Compression Formats That Work