: Go to your game installation folder and locate the Common folder (usually inside Yu-Gi-Oh! Power of Chaos/Common/ ). Copy your system.dat file somewhere safe as a backup.
No universal offset exists — depends on game version and progress.
It automatically syncs cards between Yugi , Kaiba , and Joey and can forcefully unlock all cards.
HKEY_LOCAL_MACHINE\SOFTWARE\KONAMI\Yu-Gi-Oh! Power Of Chaos\system yu gi oh power of chaos unlock all cards cheat upd
: Manually editing the registry can be risky. Expert users from PCGamingWiki recommend matching the hex value and
Unlocking All Cards in Yu‑Gi‑Oh! Power of Chaos — Is There a Legit Way in 2026?
The 2026 updated tool has a drop-down menu. Select: : Go to your game installation folder and
The PC trilogy—featuring Yugi the Destiny , Kaiba the Revenge , and Joey the Passion —remains a nostalgic favorite for duelists worldwide. However, grinding for months to unlock all 700+ cards across these classic games can be exhausting.
For a quick fix, download the ReeRi Trainer . If you want a permanent fix that doesn't require running software every time, use Method 3 (Save File) .
Running these vintage games in fullscreen mode on 4K or 1080p monitors can corrupt the graphics wrapper, which occasionally interrupts save updates. It is highly recommended to run the trilogy in through your in-game display configurations menu for optimal stability. No universal offset exists — depends on game
The registry file tells your Windows operating system where to find the new 100% save file.
Yes, you can still unlock all cards in Power of Chaos — but use a trusted save file, not random “cheat upd” executables. The game is nearly 20 years old, and modern Yu‑Gi‑Oh! sims offer a much better experience with zero grind.