The product is an authentic Nintendo Game Boy cartridge of the game "Great Greed" by NAMCO. It is specifically for NTSC-U/C (US/Canada) region and comes with a working save feature and a case. The game is made in Japan and has the catalog number DMG-B6-USA. This product offers an exciting gaming experience on the classic Nintendo Game Boy platform, allowing players to enjoy the gameplay and challenges with the added bonus of being able to save their progress.