Nintendogs Chihuahua & Friends More than 100 items like tennis balls, flying discs and even clothing accessories. Choose from a wide range of pets - Chihuahua, German shepherd, boxer, cavalier King Charles spaniel, Yorkshire terrier and Shetland sheepdog. Socialize your pups by walking them around town, where they'll meet neighborhood dogs -- and maybe even find new toys. Walk it, buy the right supplies and work with your puppy to increase its stamina. As a puppy competes in obedience and agility trials where owners can win money to purchase other puppy breeds.