If you want, I can:

Modern Windows versions block the game from updating data inside the Program Files directory unless explicit permissions are given.

Yu-Gi-Oh! Power of Chaos: Joey the Passion remains a nostalgic favorite for duelists worldwide. However, grinding for all 771 cards can take hundreds of hours. This comprehensive guide provides the latest, working methods to unlock the full card database instantly, including modern fixes for Windows 10 and Windows 11. Method 1: The Registry Transfer (Fastest & Safest)

Copy the system.dat file and paste it into a safe backup folder on your desktop. Step 2: Download a 100% All-Cards File

: To ensure the game actually reads your new save, right-click the game and select "Run as administrator" Copy & Paste : Move the downloaded system.dat folder (usually located in the installation directory or ProgramData/KONAMI 3. All-in-One Mods and Installers

Go to the installation folder where your joey_pc.exe file is located. Right-click joey_pc.exe and select . Click on the Compatibility tab. Check the box for "Run this program as an administrator" . Click Apply and then OK . Step 3: Clear VirtualStore Cache

I can provide specific registry paths or deck building templates depending on what you need next! Share public link

It creates a sub-folder in your "Common" directory containing your current unlocked cards.

To unlock these new cards, players can try the following methods:

: Construct optimized Jinzo lockdown decks, Exodia stall builds, or high-ATK Dragon decks without spending hours grinding the AI.