Compression for emulators usually involves three main methods:
Yes and no. You can compress the entire RPCS3 folder (emulator + game) into a .7z file. Extract it on any PC and run it. Save files remain inside the dev_hdd0 folder included in the archive.
Certain PS3 masterpieces compress incredibly well due to efficient asset packing by the original developers. Here are some top titles to look out for: Game Title Original Disc Size Highly Compressed Size God of War III ~20 GB (Stripped Audio/Languages) Grand Theft Auto IV Tekken 6 Demon's Souls How to Safe-Extract and Set Up Compressed PS3 Games ps3 emulator games highly compressed
While the "100MB" downloads are myths, there is a legitimate way PS3 games are compressed. This involves the conversion of file formats.
Playable (Excellent fighting game performance). How to Extract and Install Compressed PS3 Games Save files remain inside the dev_hdd0 folder included
This is the current gold standard for acquiring PS3 games legally and efficiently. Tools like NPS allow users to download the PKG files directly from Sony’s servers (if they own the license) or use them for preservation. These files are compressed and often significantly smaller than their disc-based ISO counterparts.
While highly compressed files are incredibly convenient, you must navigate the emulation landscape carefully. Avoid "Too Good to Be True" Downloads This involves the conversion of file formats
Official digital PlayStation Network installation files. They are naturally smaller than disc dumps because they lack physical disc padding.
PKG files are the standard for PS3 digital games. Once installed on RPCS3, you can sometimes compress the game folder into a CSO or keep the folder structure optimized.