Open PS3 ISO Tools and choose the option to extract your Tekken Tag Tournament 2 ISO into a standard folder structure (JB folder format).
Here's some information that might be helpful: ps3 iso tekken tag tournament 2 fixed
Unlike first-party Sony titles, Tekken Tag Tournament 2 uses specific data management techniques (including LBA – Logical Block Addressing) that make it sensitive to improper ripping or compression. Common issues with badly dumped or incorrectly patched ISOs include: Open PS3 ISO Tools and choose the option
