AI: The Somnium Files: Nirvana Initiative

: The Somnium Files – Nirvana Initiative is an adventure video game developed and published by Spike Chunsoft, which released for Nintendo Switch, PlayStation 4, Windows, and Xbox One in June 2022 in Japan and North America, and the following month in Europe. Several staff members returned from its predecessor AI: The Somnium Files, including writer Kotaro Uchikoshi and character designer Yūsuke Kozaki, while the first game's designer and assistant director Akira Okada took over as director.

The game is set in Tokyo and follows detectives Mizuki Date and Kuruto Ryuki as they investigate a series of murders, where the victims are found as only half a body. Along with their AI partners Aiba and Tama, they enter the dreams of suspects to find information to solve the case. The game features a supporting cast of characters from the first game amongst new ones.