disguise, Geoffrey attempted to raise Mao to be the ultimate overlord so he could eventually destroy him. Mao tries to get revenge by destroying the human world, but the words of his friends convince him not to release the evil in his heart, and he instead goes after Aurum, who is disappointed to see Mao has not succumbed to evil. Aurum initially dismisses Mao as weak, but Mao uses the power of a hero to defeat Aurum. The ghost of his father gives Mao the Overlord title and he runs the Evil Academy henceforth. Development PlayStation Home Nippon Ichi Software has released two Game Spaces for the game in the Asian and Japanese versions of the PlayStation 3's online community-based service, PlayStation Home. The first space is called "The Nether Institute, Evil Academy" and features six Prinnies. The users can purchase a displayable Prinny, answer a questionnaire, purchase Disgaea 3 content, and take "Disgaea tests." The second space is called "The Chairman's Room" and features the "Netherworld Millionaire" card game and an "Arcade Game". They were released on April 23, 2009, in the Japanese version of Home and on July 2, 2009, in the Asian version of Home. The game supports Home rewards currently for the Japanese version of the game where users are able to win decorative ornaments for their personal spaces in Home by earning trophies in the game. It has been confirmed that there is an unlockable ornament in the North American version of the game as well. The two game spaces were released to the North American version on June 10, 2010. Additional content Additional unlockable content became available in Japan once the game was released and on December 22, 2008, in North America, and was released monthly in Japan until January 2009 and once or twice a month in North America until August 2009. The content includes new characters able to be accessed once the main story is complete, character and monster classes, the modes "Item World Command Attack" and "Class World Command Attack", and a side story following Raspberyl after the end of the game. Access to this additional content must be paid for. Available characters include Captain Gordon, Jennifer, Thursday, Kurtis in his human and prinny forms, and Mid-Boss from Disgaea: Hour of Darkness, Adell, Rozalin, Taro, Hanako, Yukimaru, and Tink from Disgaea 2: Cursed Memories, Zetta and Pram from Makai Kingdom: Chronicles