Atlus U.S.A. announced today that it will re-release its popular tactical strategy role-playing game, Disgaea: Hour of Darkness for the PlayStation 2, on May 25th in North America. The company says that after this re-release, the North American version of the game will be put into the vault and locked away. The relaunch of this popular game will lead up to the launch of its spiritual sequel, Phantom Brave, on August 31st. As part of the Disgaea return to retail, the PDF version of the Official Disgaea Strategy Guide can be downloaded for free at Double Jump Books online store.