Disgaea 4: A Promise Unforgotten (魔界戦記ディスガイア4, Makai Senki Disugaia Fō) is a 2011 tactical role-playing video game for the PlayStation 3 and the fourth in the Disgaea series by Nippon Ichi Software. The game tells the story of Valvatorez, a former tyrant leading a party to rebel against the president of the Netherworld. Originally released in February 2011 in Japan, the game was released in September that year in the U.S., with a European and Australian release in November. A western release of the Vita rendition of Disgaea 4, subtitled A Promise Revisited, was released in North America and Europe in August 2014. A second rerelease titled Disgaea 4 Complete+ was released on PlayStation 4 and Nintendo Switch on October 29, 2019, and was released on PC through Steam and Microsoft Store on Se