Disgaea 4: A Promise Unforgotten is a sequel to Disgaea, a hardcore, turn-based strategy RPG popular on the PlayStation 2 and PlayStation 3. In Disgaea, character units have a limit on their movement and attack ranges, based on their level and weapons equipped. There are other special game factors that let you take advantage of the 3D battle maps, many of which are unique to Disgaea.As the 4th installment in the series, Disgaea 4: A Promise Unforgotten adopts an all-new graphic engine with a far greater emphasis on anime-style graphics and adopts many new game systems to make this the most epic Disgaea adventure yet!Bigger, funnier, and more tactical than ever before, the grandfather of the strategy RPG genre returns with its best HD entry yet in Disgaea 4: A Promise Unforgotten! A hilarious fantasy world full of vampires, werewolves, and the like combines with deep strategy roleplaying gameplay, including series mainstays like the ability to lift and throw your allies and Geoblocks, exciting stat modifying spaces on the battlefield that can completely turn the tide of a conflict. The ultimate HD Disgaea game has arrived!