Find your folder, usually located in C:\Program Files (x86)\KONAMI\Yu-Gi-Oh! Power of Chaos Common . Before making changes, copy your existing system.dat and any .ydc deck files to a safe backup location. 2. Replace the system.dat File
Download a trusted all-cards save file and place the new system.dat into that folder. If you are on Windows 10 or 11, you may also need to check the VirtualStore path if the game isn't reflecting the changes: C:\Users\[YourUser]\AppData\Local\VirtualStore\Program Files (x86)\KONAMI\Yu-Gi-Oh! Power of Chaos Common . 3. Update the Windows Registry Yu-gi-oh Power Of Chaos All Cards Save Game
: Many "All Cards" saves also work with popular mods like the All-in-One (AiO) Trilogy Mod . How to Install an All Cards Save (Step-by-Step) Find your folder, usually located in C:\Program Files
The game uses a Registry key called flcrc to verify save data progress. Yu-Gi-Oh! Power of Chaos: Yugi the Destiny - PCGamingWiki Power of Chaos Common