can be done manually through registry edits or by using pre-made save files. Since the game was designed for older Windows versions, modern systems (Windows 10/11) require specific steps to ensure your progress is saved and the cards remain unlocked. Methods to Unlock All Cards
HKEY_LOCAL_MACHINE\SOFTWARE\KONAMI\Yu-Gi-Oh! Power Of Chaos\system
tools that fix resolution issues and allow for faster animations (using the