Square Enix has announced that Kingdom Hearts: Birth by Sleep will be released in North America this summer. The fifth installment of the beloved series is a prequel that reveals the untold origins of Kingdom Hearts, exclusively on the Playstation Portable.

Birth by Sleep tells the story through the eyes of three main characters Aqua, Terra, and Ventus, each offering a new gaming experience. Players can also look forward to a unique battle system and multiplayer mode that promises to add new depth to the franchise.

Disney fans will be delighted to hear that new worlds such as Sleeping Beauty's Enchanted Dominion, the Dwarf Woodlands from Snow White and the Seven Dwarfs, and Deep Space from Lilo and Stitch have been added. In addition, all new stages have been added to previous world from the series.

Kingdom Hearts: Birth by Sleep has been rated E10+ by the ESRB. Also don't forget to checkout the official site, which opened today.