Aooni The Horror of Blueberry Onsen Episode: The Untold
Uncover the truth behind the “Blue Tragedy” that unfolded at the abandoned hot springs! What were Ai and the Mysterious Man really doing in the deserted hotel? How did Ai end up there—and what became of the…
Aooni The Horror of Blueberry Onsen Episode: The Untold is an adventure developed by Game Studio Inc., released 29 October 2025 on Nintendo Switch and PC (Microsoft Windows).
What Aooni The Horror of Blueberry Onsen Episode: The Untold is
Aooni The Horror of Blueberry Onsen Episode: The Untold is an adventure game developed by Game Studio Inc. and released in 2025. It is available on Nintendo Switch and PC (Microsoft Windows). It runs on Unity.
The premise, in the publisher's words
Uncover the truth behind the “Blue Tragedy” that unfolded at the abandoned hot springs! What were Ai and the Mysterious Man really doing in the deserted hotel? How did Ai end up there—and what became of the Mysterious Man? Don't miss the hidden story behind the incident and the appearance of a new Blue Oni lurking within the ruins...
How it plays
It is played from a bird view / isometric perspective. Its themes are action and horror. It is a single-player game with no multiplayer component.
What it launched against
Aooni The Horror of Blueberry Onsen Episode: The Untold launched on 29 October 2025, within three weeks of Battlefield 6, Vampire: The Masquerade - Bloodlines 2, ARC Raiders and The Outer Worlds 2. It arrived 8 years into the Nintendo Switch's life, so it was built for hardware developers already knew well.
Released around the same time: Battlefield 6, Vampire: The Masquerade - Bloodlines 2, ARC Raiders, The Outer Worlds 2.
Official trailer
Sourced from the publisher’s YouTube channel.
Screenshots
All media
Parents
Quick answers
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