well Equestria Girls characters in this case is ready to learn and to have a lot of fun with her friends too so that is why Pinkie Pie decided to celebrate the start of the new school year with a pajama party and she has invited all of her friends. Pinkie Pie is very excited about this pajama party and sh wants to be the perfect host and to throw the perfect pajama party and for that she knows that she also has to have the perfect outfit so that is why this cute game is also a dress up game. Come and dress up Pinkie Pie in the cutest pajama ever, you can start with her hair, than with the actual pajama, than with the accessories like fluffy socks and so on, so there is a lot of clothes you can choose from. Good luck!