Deception IV: The Nightmare Princess, released in 2015 for the PS4, is an action strategy game developed by Tecmo Koei. It serves as an expanded edition of Deception IV: Blood Ties. Players use traps to capture or kill attackers, fulfilling mission objectives while unraveling the story of the protagonist, Laegrinna, alongside her three Daemons. The game emphasizes strategic planning, dark humor, and sadistic satisfaction through trap-based combat, featuring enhanced graphics and gameplay on the PlayStation 4 platform.