From the back of the Box (UK version): Kirby & The Amazing Mirror. Mirror world needs your help, so don't delay! Leap through the mirrors and join the fun in this 4-player adventure! Work as a team or on your own with CPU controlled Kirby's to solve puzzles, fight bosses and find treasures. Then when you're in danger use your mobile and you'll find your friends are never far away... Or challenge one another in 3 different mini-games using Game Boy Advance Game Link cables and just one Game Pak.