Disgaea 4: A Promise Unforgotten is a tactical RPG and the fourth installment of the Disgaea series by Nippon Ichi Software. Using turned based combat and the isometric battlefield gameplay from the previous installments, Disgaea 4 includes new features, such as the Magichange system.

Zetta Hero Project: Unlosing Ranger vs. Darkdeath Evilman is a role-playing game developed by Nippon Ichi Software and released on PlayStation Portable.