If you are looking for a "Fixed PKG" for Final Fantasy XIII on PS3, you are likely looking in the wrong place.
Sony never released Final Fantasy XIII digitally on PSN for PS3 (only via disc or PS Now streaming). The closest official digital option is: final fantasy 13 ps3 pkg fixed
Because a single 40GB PKG cannot be easily transferred or processed by the PS3, the game is split into multiple sequential packages (often 4 to 10 separate parts). These must be installed in exact numerical order to properly rebuild the game directory inside the dev_hdd0/game/ folder. 2. The Game Fix / Crack PKG If you are looking for a "Fixed PKG"