Kingdom Hearts: Birth by Sleep is a Role Playing Game set in the world of Disney. The game tells the story that preceded the other Kingdom Hearts games. You follow Terra, Ventus and Aqua on their adventure to protect the world from evil. Each character has a unique story.

In Kingdom Hearts: Birth by Sleep you take an adventurous journey through the different worlds you know from the Disney films and meet several of its heroes. The characters become stronger as you defeat more enemies. This way you learn new attacks and skills.