allow users to modify the game's internal files directly. You can find these on legacy modding hubs like PeSoccerWorld : A staple for PES modding, Kitserver 9
The PES 2010 database captures legendary players at their absolute prime. Think of (the game's cover star alongside Fernando Torres) and Cristiano Ronaldo just as he began his journey at Real Madrid. The database isn't just a list of names; it’s a record of stats that defined an era. Pes 2010 Database
He called it the Database.
The introduction of "Card" systems for player skills allowed the database to differentiate between a standard winger and a "speed merchant" or "trickster" in a way that felt revolutionary at the time. Licensing and the "Fake Name" Charm allow users to modify the game's internal files directly