Super Game Boy Operation has not been confirmed. For reference, all Game Boy cartridges that were stored with this item functioned without issue. However, I have no way to test this product, so its functionality is unconfirmed. ☆ If you purchase this item with other items, you'll receive a 100 yen discount for each additional item. Please feel free to browse my other items as well. #RT's Game Related Items Please understand that this is a used item and only purchase if you are satisfied with the photos. ※ Returns and cancellations are not accepted. Thank you for your understanding.