Detective Girl: The Case of Immortality
Return to Renaissance Florence and uncover an ancient secret of immortality.
Detective Girl: The Case of Immortality is an adventure developed by Happy Player, released 11 December 2025 on PlayStation 5, Xbox Series X|S, Nintendo Switch and Xbox One.
What Detective Girl: The Case of Immortality is
Detective Girl: The Case of Immortality is an adventure game developed by Happy Player and released in 2025. It is available on PlayStation 5, Xbox Series X|S, Nintendo Switch and Xbox One.
How it plays
It is a single-player game with no multiplayer component.
What it launched against
Detective Girl: The Case of Immortality launched on 11 December 2025, within three weeks of Metroid Prime 4: Beyond, Routine, Kirby Air Riders and Marvel Cosmic Invasion. It arrived 5 years into the PlayStation 5's life, so it was built for hardware developers already knew well.
Released around the same time: Metroid Prime 4: Beyond, Routine, Kirby Air Riders, Marvel Cosmic Invasion.
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Quick answers
Detective Girl: The Case of Immortality — frequently asked questions
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