Cartridge only. The product is a Nintendo DS game called Nancy Drew: The Mystery of the Clue Bender Society. It is a mystery game based on the popular American character Nancy Drew. The game is designed for the NTSC-U/C (US/Canada) region and offers an engaging storyline for players to solve. With its detective-themed gameplay and captivating mystery plot, this game is sure to provide hours of entertainment for fans of the Nancy Drew series.