You're referring to the popular video game Pro Evolution Soccer 2010 (PES 2010) and its "Be a Legend" mode, which allowed players to create and manage their own footballer. I'm assuming you want to know more about the game's editor and its exclusive features. Here's what I found:
By editing the player.bin and removing the "Retired" flag, editors forced players like Ronaldo (R9), Zidane, and Maldini to appear in the generic youth intake. This turned the BAL mode into a fantasy draft, where you could fight for a starting spot alongside a regenerated 17-year-old version of Maradona. pes 2010 become a legend editor exclusive
The ability to raise individual attributes (e.g., speed, shot power, accuracy) from low starting numbers to 99 instantly. Skill Card Management: You're referring to the popular video game Pro
Using third-party tools to edit save files always carried the risk of corrupting the career save. "Invisible" Restrictions: Fix bad RNG: Sometimes the game randomly generates
: Unlock and assign exclusive "P" and "S" skill cards (like "Early Crosser" or "Chasing Back") to your legend .