Had a similar problem when buying a used copy of Metal Gear Solid 1 on the PS1, the game and both discs worked fine but if you died on the second disc while in

Had a similar problem when buying a used copy of Metal Gear Solid 1 on the PS1, the game and both discs worked fine but if you died on the second disc while in story mode the game would lock up. Added a bit of extra difficulty at any rate!