This is Terra 4001, the final installment of T&E Soft's Star Arthur Saga trilogy. It is software compatible with FM-NEW7, FM-77, and FM-7. There is no instruction manual. The box is in poor condition as shown in the images. It is a cassette tape game, but its operation has not been confirmed. - Title: Terra 4001 - Compatible Models: FM-NEW7, FM-77, FM-7 - Media Type: Cassette Tape - Genre: Adventure Thank you for viewing. It has been stored on a bookshelf at home. We hope that those who understand that this is an old item will purchase it. #Planet Mephius #Dark Nebula