Kingdom Hearts Birth by Sleep
Kingdom Hearts Birth by Sleep is an action role-playing handheld game developed and published by Square Enix in collaboration with Disney Interactive Studios, and the fifth title in the Kingdom Hearts series. It follows Terra, Aqua, and Ventus, three aspiring masters of the Keyblade who seek to stop Master Xehanort from waging a Keyblade War.
Kingdom Hearts Birth by Sleep was released on the PlayStation Portable in Japan on Januay 9, 2010, in North America on September 7, 2010, in Europe on September 10, 2010, and in Australia on September 9, 2010. It is the only title in the series to be released on the PlayStation Portable.