Game Boy game software, Mazekko Monster. Operation has been confirmed (see photos). The box and instruction manual are not included, only the software. Due to being a used item, there are some signs of use, scratches, and dirt. Also, as shown in the photo, there is graffiti on the lower left of the front side. [Title] Mazekko Monster [Brand] Banpresto [Release Year] 1997 Thank you.