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Devil Summoner: Soul Hackers: Extra Dungeon is a 1998 role-playing video game for the Sega Saturn, and a spin-off of Devil Summoner: Soul Hackers in the Devil Summoner series. It was developed and published by Atlus, releasing as a lottery prize of 1000 copies through the New Years Campaign which ended on January 31st, 1998. Entries were submitted by mailing in the registration included in copies of Devil Summoner: Soul Hackers: Akuma Zensho Dainishū for the Sega Saturn.
Japanese