Bonus stadiums
Hit an out of the park homerun in the indicated location to unlock the corresponding bonus stadium:
Atlantis: Hit a homerun in AT&T Park.
Coliseum: Hit a homerun in Fenway Park.
Empire: Hit a homerun in Yankee Stadium.
Forbidden City: Hit a homerun in PetCo Park.
Rocket Park: Hit a homerun in Minute Made Park.