If you are a fan of retro games like Nintendo NES, Super Nintendo, Sega Genesis, etc. then you have undoubtedly come across one of your favorite games not working. Maybe it was a game you have had for years or one that you just picked up on Amazon or eBay. In any event 99% of the time when a game doesn’t work, all it needs is a good cleaning! In the video below I show you the correct way to clean that old game cartridge inside and out! Below the video is a list of tools and supplies that I used in the video.