The CSO file size for Tekken 6 on PSP is approximately 1.4 GB.
That is nearly a 50% reduction in size. For a PSP using a 4GB or 8GB Memory Stick Duo, this compression allows you to keep Tekken 6 installed alongside other titles like God of War or GTA: Vice City Stories without constantly swapping files. psp game tekken 6 cso file exclusive