Hashino believed that the new engine would make rendering their ideas much easier , although it would result in a long wait by fans for the game .
While Catherine used the third - party Gamebryo game engine , Persona 5 used a specially - created engine .
Hashino believed that the new engine would make rendering their ideas much easier , although Persona 5 would result in a long wait by fans for the game .
While Catherine used the third - party Gamebryo game engine , Persona 5 used a specially - created engine .