To unlock all cards in the trilogy— Yugi the Destiny , Kaiba the Revenge , and Joey the Passion —you typically need to use a combination of a replacement save file ( system.dat ) and a Windows Registry update ( .reg file). Standard Unlock Process
Whether you want to unleash the Blue-Eyes Ultimate Dragon or dominate with a forbidden Exodia deck, waiting for the RNG to go your way is exhausting. To help you jump straight into the action, here is the updated guide on how to using the most reliable cheats and registry fixes available today. Why Use the "All Cards" Cheat?
If you cannot find the Konami folders in your Registry Editor, the game was likely installed via a portable installer or a custom repack that skipped formal system registration.
Master the Duel: Yu-Gi-Oh! Power of Chaos Unlock All Cards Cheat Guide (2026 Update) yu gi oh power of chaos unlock all cards cheat upd
Look for the default installation folder (usually located in C:\Program Files (x86)\KONAMI\Yu-Gi-Oh! Power of Chaos\Yugi the Destiny\ ). Paste the downloaded file into this directory. Click Replace the file in the destination when prompted. Troubleshooting Save Issues on Modern Windows
The Yu-Gi-Oh! Power of Chaos trilogy— Yugi the Destiny , Kaiba the Revenge , and Joey the Passion —are classic PC games that capture the magic of the early Yu-Gi-Oh! trading card game. Released by Konami in the early 2000s, these games each introduced a new set of cards, with Yugi the Destiny featuring 155 cards, Kaiba the Revenge adding 311, and Joey the Passion bringing the total to 711. The games are beloved for their authentic dueling experience, but earning every card can be a long grind. This comprehensive guide will explore the most effective methods to unlock all cards instantly.
Download the corresponding .reg file (often packaged with the unlock save). Right-click the .reg file and select . To unlock all cards in the trilogy— Yugi
The information provided in this article is for educational purposes only. The author and publisher are not responsible for any damage or consequences resulting from using the unlock all cards cheat. Use the cheat at your own risk.
Rename your existing system.dat to system.dat.bak (as a backup), then paste the downloaded file into this folder.
Right-click the file, go to , and check "Read-only" . This prevents the game from overwriting your unlocked status if an error occurs. Troubleshooting: Cards Still Locked? Why Use the "All Cards" Cheat
Download a verified 100% unlock save file ( system.dat ) from a trusted Yu-Gi-Oh! community site or modding forum. Copy the downloaded system.dat file.
Before applying the unlock cheat, you must set up your system to ensure the modified game save file is recognized properly.