Solving the Mystery of the Soulless Army vs. the Original

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If you’re a fan of Atlus and their extensive lineup of JRPGs from the Shin Megami Tensei series, get excited for a modern remake of a beloved classic: welcome back, Raidou Kuzunoha XIV, in Raidou Remastered: The Mystery of the Soulless Army.

The original game, Devil Summoner: Raidou Kuzunoha vs. The Soulless Army, debuted in 2006, and with the 2025 remake now available, how much time are you willing to invest in the iconic black cape of Raidou Kuzunoha? Prepare to dive into the Dark Realm, summon demons, rescue schoolgirls, and unravel a captivating supernatural mystery.

How Long Is Raidou Remastered Compared to the Original?

If you’re jumping into Raidou Remastered: The Mystery of the Soulless Army from other Atlus titles, you already know that these SMT games can demand many hours of gameplay. You’ll face challenging bosses, fuse demons, and solve intriguing puzzles.

Your playtime can vary based on how much you explore additional quests or focus on demon fusion, but for the main storyline, you can expect to spend approximately 25 hours on this investigation. And that’s just for the core narrative—all sorts of new activities are included to extend your playtime:

Over 120 demons are available for fusion and logging in your Devil Chart. Some of these demons require recruitment before you can fuse them; you’ll need to show you’re worthy of their unique powers.
Case Files offer side quests filled with small puzzles that will take you around the Capital, helping people and even animals as you tackle their needs.
Purging Aril Rifts allows for combat practice between chapters. The left inari statue at the Nameless Shrine provides rewards for completing these rifts, granting plenty of experience points, cash, and items, making them worthwhile every time.
Using the Training Hall helps you gain extra experience if you’re looking for that final boost between story segments and don’t have any grimoires handy.

As a faithful remake of the 2006 classic, Raidou Remastered holds true to its roots, yet benefits from several quality-of-life improvements that enhance gameplay. The new features extend the playtime while keeping it comparable to the original. Devil Summoner: Raidou Kuzunoha vs. The Soulless Army is noted on HowLongToBeat.com as taking about 24 hours for the main storyline, with a completionist run estimated at 57 hours.