This product is the Game Boy game "Mario's Picross." The product has had its terminal cleaned, and the entire cartridge has been carefully disinfected and cleaned with ethanol. #Karin's Masterpiece GB Soft Collection I have confirmed that it works on my own hardware and starts up without any problems, but I do not guarantee that it will work on all hardware. If it does not start, I recommend that you maintain your hardware. Regarding your purchase: - Everything in the product photos is included. - We do not offer individual price reductions, so please understand. - Shipping will be via Yu-Packet Post. - Please refrain from purchasing if you are sensitive to the condition of older products. About combined purchases: If you wish to purchase multiple items, we may be able to offer a discount depending on the combination and quantity of the products. However, a discount is not possible in all cases, and depending on the product contents and quantity, we may only be able to offer combined shipping. Even so, we will do our best to accommodate your requests, so please feel free to contact us first. About returns and shipping: We accept returns or exchanges only if an initial defect is confirmed, and you contact us within 7 days of receiving the product. In that case, the shipping costs will be the responsibility of the customer, so please understand. Returns or exchanges for other reasons are not accepted. Please consider the above before making a purchase. Most of the products on sale are over 30 years old, so please consider the deterioration due to aging and purchase with your understanding. If you have any questions or concerns, please feel free to contact us before purchasing. Other: Please feel free to comment with requests such as adding images or purchasing multiple items. We will do our best to accommodate you. [Karin's Masterpiece Soft Collection] If you want to collect more games, please check out ＼(^o^) #Karin's Masterpiece GB Soft Collection You might find the perfect one for your collection, as many masterpiece software titles are available!