AI: The Somnium Files is a visual novel from Spike Chunsoft and the creator of Zero Escape, Kotaro Uchikoshi. The original game and its 2022 sequel nirvanA Initiative follow special investigation team ABIS, who solve unusual murder cases by looking for clues in suspects' dreams. These dream worlds, which are called "Somnia", are the primary focus of gameplay, requiring players to explore bizarre scenarios and interact with unreal objects that can act according to dream logic rather than the natural laws of physics.