AI: The Somnium Files cover

AI: The Somnium Files 2019

Released
September 17, 2019
Genres
Puzzle · Adventure · Visual Novel
Platforms
Xbox Series X|S · PlayStation 4 · PC · Xbox One · Nintendo Switch
Developer
Spike Chunsoft
More info

Where to buy

Digital
The lowest price we've seen on Steam since October 2026 More deals on Steam, and in Adventure
Physical

Affiliate links: GOG, Fanatical, Green Man Gaming, ININ Games and Amazon

Is it still worth playing?

Spike Chunsoft's 2019 visual novel, in which detective Kaname Date investigates serial killings in near future Tokyo by entering suspects' dreams, called Somnia. Investigation is in first person with an on screen cursor, and his AI assistant, Aiba, analyzes scenes, accesses databases and can enhance his vision. In dream sequences you control Aiba and solve object based puzzles within a six minute limit, where interacting with objects reduces the remaining time. Opening Mental Locks by performing the correct sequence of actions advances the dream. The story branches into multiple endings, with a flowchart that lets you jump to chapters called Days. A six minute clock on every dream makes each puzzle a question of which object to try first, so the pressure is still there from the first dream.

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