Demon Summoning Program

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The Demon Summoning Program, also known as the Devil Summoning Program, is an important mechanic in the Megami Tensei franchise. It allows the protagonists to negotiate with, summon, and command demons in their party. In many games, the protagonist wears a COMP, a small computer worn on the wrist like a watch, which has the demon summoning program downloaded. In Digital Devil Story: Megami Tensei, Akemi Nakajima is the original inventor. In Shin Megami Tensei and the Shin Megami Tensei series, the creator of the program is Stephen. In Shin Megami Tensei: Devil Summoner, the program was made by Victor based off of the rituals of the Kuzunoha Clan.[1]

Many games feature a dramatic sequence of computer code quickly scrolling across the screen as the program is activating, as in the opening of Shin Megami Tensei.

One of the few Megaten games to lack the demon summoning program is Shin Megami Tensei III: Nocturne, in which the protagonist is half demon and can talk to demons without the need of a program.


Names in Other Languages
Language Name Meaning
Japanese 悪魔召喚プログラム Demon summoning program


  1. Megami Tensei Jūnenshi (1998), CB's Project. Published by Aspect. Japanese. p. 103. ISBN-13: 978-4-89366-917-9.