C64 Mercenary: a novel exploit bug in a 41-year-old game

A 41-year-old game has been found to contain a novel exploit bug. The game in question is Mercenary, which was released for the Commodore 64. The bug has been discovered and documented, with more information available through provided links. The exploit is being discussed on a news site and a separate comments page. Details about the bug can be found on a website that explains games, including a specific page about Mercenary.