This is arguably the most sensitive file in the directory. It contains the backbone of the game's user interface and logic.
While not a default Konami file, modern PES 2013 relies on (usually a folder named kitserver13 ). Within that, you will find the img structure overrides the main game. If you have Kitserver, look for: Pes 2013 Img File List
Here is the definitive breakdown of the key .img files: This is arguably the most sensitive file in the directory
PES 2013 Kits, Boots, and Logos Guide | PDF | Adidas - Scribd Pes 2013 Img File List