A PS3 ISO is a bit-for-bit digital replica of a physical game disc. For enthusiasts using the RPCS3 emulator on PC or a jailbroken console with , these files allow you to play your favorite titles without needing the original Blu-ray. Why "Highly Compressed"?
A legitimate PS3 game will never be an executable file. If a site asks you to run a .exe to "unlock" a game, delete it immediately.
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