Tested and working. N64 game software set of 3: - Super Mario 64 - Super Smash Bros. - Kirby 64 Regarding products with built-in backup batteries, we cannot guarantee the remaining battery life. The photos are everything. Please check the photos before purchasing and understand the product before purchasing. Please note that the colors in the photos may differ from the actual product due to lighting conditions. If you have any concerns, please confirm them in the comments before purchasing. We do not accept claims or returns after purchase.