Download a complete system.dat file from a reputable community site (like a [Yu-Gi-Oh! fan forum](google.com of chaos joey the passion all cards system.dat file) or PCGamingWiki ).
: If your changes aren't appearing, check C:\Users\[YourUser]\AppData\Local\VirtualStore . Windows sometimes redirects old game saves here if they lack admin rights.
If the cards reset every time you close the game, right-click the system.dat file, go to properties, and ensure it is not set to "Read-only." Conclusion
Copy the entire Yu-Gi-Oh! folder and paste it somewhere safe, like your Desktop. Step 2: Configure Administrator Privileges unlock all cards yugioh power of chaos joey the passion new
Copy system.dat and paste it into a separate backup folder on your desktop. Step 2: Download or Create the All-Cards Registry File
A confirmation message will appear stating the keys were successfully introduced. Step 4: Configure Admin Rights and Compatibility
Unlike modern digital Yu-Gi-Oh! games, Power of Chaos: Joey the Passion does not have a built-in “unlock all cards” cheat code or official menu option. However, you can unlock every card by winning matches and earning them as rewards — or faster by using a save file editor / unlocker (a small fan-made tool). Below I cover both methods. Download a complete system
Unlike modern Yu-Gi-Oh! simulators, Power of Chaos uses a linear progression system. You start with a pitiful Starter Deck (filled with weak Normal Monsters like Battle Ox and Mammoth Graveyard ). To get new cards, you must defeat opponents, earn DP (Duelist Points), and purchase packs from the in-game shop.
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
Unlocking the full library of in Yu-Gi-Oh! Power of Chaos: Joey the Passion Windows sometimes redirects old game saves here if
The most reliable way to unlock all cards is by using a pre-made system save file ( system.dat ). This file contains the data for all unlocked cards and replaces your existing progress. Step-by-Step Installation
Joey the Passion allows you to import cards from the previous two games. If those cards are missing despite using an unlocker, open your registry editor ( regedit ), navigate to the Konami folder path mentioned in Method 1, and ensure the string values for InstallDirYugi and InstallDirKaiba point correctly to the folders where those games are (or were virtually) installed.