You can now use all members of the Akatsuki.

You've cleared Chapter Six.

You can now use Jiraiya, Tsunade and Orochimaru.

You've cleared Chapter Four.

You've cleared Chapter Three.

You've acquired S Rank in "Showdown Between Best Friends".

You can now use Kakashi, Yamato, Guy and Asuma.

You've picked up 500 items.

You've acquired S Rank in "Sakura Dances".

You've acquired S Rank in "Sand and Art Blast".

You've cleared the Prologue.

Clear the Stormy Sea in Arcade.

Shoot 30 treasure chests in Deep Perils