All the fun of owning a cat without needing kitty litter. Catz Game Boy Color is the purrrfect way to take your Petz wherever you go. Adopt a Catz and play with and care for your frisky feline. If you are a good Petz owner, you will be rewarded. Measure the health, happiness, hunger, energy level and cleanliness of your Catz. High care and well-being levels will unlock different kinds of Catz (even in wacky colors!) for you to adopt. Your Catz will love to play with their feline Toyz! Find friends with other special toyz that you don't have and share them. You can even trade Breedz with your friends! A successful Catz owner will retire their Catz into the Hall of Fame, and unlock special Catz! – Play Items Included: Flea Spray, Brush, Water Bowl, Food Bowl, Scratching Post, Bottle, Pillow, Spray Bottle, Ball of Yarn, Fish Treatz. – Special Toyz May Include: Catnip Plant, Jingle Ball, Cat Dancer, Teddy Bear, Mouse, Special Bonus Toyz. – The trading can continue because Catz owners can trade Petz and Toyz with each other! Catz can now live and play on your Game Boy Color System!