Accessed After;: Help Shaymin change form The Sky Garden is a deserted area only available after you have beaten all attractions. When there, you will find your friends Chikorita, Piplup & Charmander as well as an extra Piplup. When you talk to both Piplups, you will discover one is actually Mew and Mew will then challenge you with a Jump Contest, three battles and a tag race. Beat them and you’ve beaten the game