The latest Inazuma Eleven 3 release will have exclusive content.
Level-5 decided to take the route of releasing two different versions of the last two Inazuma Eleven games, in a similar way to the Pokemon series, but apparently two is not enough. They are planning a third version of this DS title, set to be released in Japan this December.
Inazuma Eleven 3: The Ogre
complements the Spark and Bomber versions of Inazuma Eleven 3, which
were released in Japan during the summer. The new version is scheduled
to be released on December 16, just one week before the upcoming Inazuma
Eleven movie and will feature a story related to the movie. It will
also feature new maps and characters, as well as the ability for
wireless play with Spark and Bomber.