These codes have been widely verified on original hardware and emulators like DuckStation All 722 Cards (Library & Chest) : Unlocks every card in the game. 5000FF02 0000 801D0250 0505 50006A02 0000 801D044E 0505 Note: Does not work with GameShark CDX versions. Infinite Star Chips (999,999) : Allows you to "buy" any card you have the password for. 801D07E0 FFFF Easy S-Tec Rank
If you see silver boxes:
800977A6 000?