Manga
A manga of Digital Devil Saga titled Digital Devil Saga: Avatar Tuner - Shinen no Matou was released in Japan in 2005 which was published by Jive. The story revolves around a new cast of characters not related to that of the game series. The manga however, was completed only in one volume and was not licensed outside Japan.
A comic anthology was also published by Japanese fans of the game series. Inserting humorous plot twists related to the game's story progress.
Read more about this topic: Shin Megami Tensei: Digital Devil Saga 2