Dogz for the Nintendo Gameboy Advance is a virtual pet simulation game where players adopt, raise, and care for their own canine companion. As part of the pet-care genre, players choose from various dog breeds, each with unique personalities and needs. They are responsible for feeding, grooming, and training their pup, as well as playing games to keep it happy. The game encourages nurturing and responsibility, allowing players to form a virtual bond with their pet dog as they watch it grow and respond to their care.