Set in post-apocalyptic Tokyo, the game begins as nearly the entire population of the world is annihilated by a global catastrophe called the Conception. Now, the fate of the entire world lies on the shoulders of one boy, who must battle his way through opposing demonic forces and shape the world to come... or destroy it.
- Yesterday's foe is today's ally! Persuade over 100 different demons to join your party. Some demons may evolve into new forms on their own or fuse them to form even more powerful demons.
- Customize your character with Magatama, living parasites that grant the host demonic powers!
- Depending on the choices you make, you'll follow one of several ideologies which will ultimately determine the fate of the entire world!
- Special guest appearance by Dante, from Capcom's Devil May Cry series. Will he become your most feared enemy or your greatest ally?
- Over 50 hours of gameplay!
This game is also known as Shin Megami Tensei III: Nocturne in Japan.