Square Enix continues its introductory video series featuring Kingdom Hearts HD 2.5 ReMIX today with a quick look at the various worlds present in Kingdom Hearts Birth by Sleep – the prequel to the original Kingdom Hearts. Birth by Sleep follows the three stories and perspectives of Terra, Aqua and Ventus as they travel to Castle of Dreams, Deep Space, Olympus Coliseum, Enchanted Dominion, and more.

Kingdom Hearts HD 2.5 ReMIX is due out in Japan on October 2nd and in North America and Europe on December 2nd and December 6th respectively. Available on PlayStation 3, the bundle includes Kingdom Hearts II Final Mix, Kingdom Hearts Birth by Sleep Final Mix and cinematic cutscenes covering the story of Kingdom Hearts Re:coded.