AI: The Somnium Files - Nirvana Initiative: Collector's Edition

About

AI The Somnium Files Nirvana Initiative is a visual novel mystery that mixes narrative-driven investigation with occasional puzzle solving. You play as Mizuki a rookie agent paired with Aiba an AI assistant who helps piece together clues from a string of bizarre murders. The case revolves around the discovery of human bodies split at the waist with one half showing six years of decay and the other appearing freshly severed. The story alternates between crime scene analysis and third-person narration with Aiba offering commentary and processing data to uncover connections. Gameplay involves selecting dialogue options and solving minor logic puzzles to advance the investigation. The Collector's Edition adds physical extras like a stylized Aiba figurine a full-color artbook and the game’s soundtrack. Players praise its surreal plot twists and polished animation which earned an 87 on Metacritic. While the puzzle segments feel brief and occasional the dialogue-heavy format appeals to fans of scripted mysteries. Available on Switch and major consoles since 2022 it runs about 15 hours and features branching choices that influence case outcomes. The package leans heavily into its aesthetic presentation making it a strong pick for visual novel enthusiasts.

Storyline

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…