Platform: Nintendo Switch™

Release Date: Spring 2022

Players: 1

Age Rating: PEGI 18 Provisional

Region: Europe

Genre: Detective Adventure

Developer: Spike Chunsoft, Co. Ltd.



Six years ago, the right half of a corpse was discovered under mysterious circumstances. The left half was never found…until six years later, when it was discovered completely fresh with no signs of decay, as though the victim was alive until just recently. Now, newly-appointed Special Agent Mizuki and her AI partner Aiba are tasked to solve the bizarre Half Body serial killings…

  • Coming to retail on PS4 and Nintendo Switch.
  • English and Japanese voice track.

Collector’s Edition

The Collector’s Edition includes: AI: THE SOMNIUM FILES – nirvanA Initiative, exclusive Good Smile Company POP UP PARADE ~170mm PVC figure of the beautiful AI-Ball “Aiba,” SECRET OF THE WORLD: THE DEFIniTIVE ART BOOK featuring concept art and illustrations by Yusuke Kozaki, HARMOniOUS DISCORD official soundtrack by returning composer Keisuke Ito.


© Spike Chunsoft Co, Ltd. All Rights Reserved.

Licensed to and Published by Spike Chunsoft Co., Ltd., Spike Chunsoft, Inc., and Numskull Games, Ltd.