Board Thread:Questions and Answers/@comment-12885722-20140223101935/@comment-4436931-20140311003706

There isn't really anything past the galaxy that you could make a soccer game out of, and multiple galaxies is basically another Inazuma Eleven GO 3. I highly doubt that they would bring back any old characters and make a series about them. And besides, they did include the Graduation Album as the pre-order gift