Real PS3 games are never .exe , .msi , or .bat files. If a download asks you to run an executable file, delete it immediately.
Sony PlayStation 3 - A (Part 1) - Redump.org - Internet Archive
: Many PS3 games rely on online components. Groups like PS1 are working to restore online functionality for titles like Warhawk and Wipeout . ps3 roms archive link
RPCS3 requires decrypted files. If you dumped an ISO, you must un-iso it into a folder format or use a decryption tool with the appropriate disc key.
If you'd like to get started with your own preservation setup, let me know: Real PS3 games are never
Myrient is a highly respected public repository focused purely on video game preservation. It offers direct, high-speed downloads of unencrypted PS3 ISOs without the clutter of commercial rom sites. Reddit Community Megathreads
Use a backup manager like multiMAN, webMAN MOD, or IRISMAN on your console to mount the ISOs or install the packages. The Legal and Ethical Landscape of Game Preservation Groups like PS1 are working to restore online
A very active site that hosts large, split-file games and pkg files.