This is Ghostbusters II by HAL Laboratory for the Game Boy, a Japan-region cartridge.
The set includes the cartridge, original paper box, inner tray, and original manual. It has been tested and confirmed working, and the cartridge itself is in good condition. The paper box has slight damage including scratches and a small tear; the inner tray has some wrinkles and a tear; and the manual has clear tape sealed onto it that cannot be removed. Please see the photos for the actual condition.
