The latest title in the "Aooni" series, where you unravel the mystery of strange phenomena with our familiar characters, was released on Steam on Friday, May 2, 2025!
The setting is the ruins of a formerly popular hot spring resort, "Blueberry Onsen," where players face a continuous string of unprecedented terror and difficult choices.
To commemorate the launch, a limited-time discount campaign is also being held!
Strange Phenomena Occur at the Abandoned Hot Spring Inn! Story Changes Based on Player Choices
"Aooni: The Horror of Blueberry Onsen" is the latest title in the mystery horror action adventure game "Aooni" series.
The setting for this title is the ruins of Blueberry Onsen, which once bustled as "the hot spring that makes you beautiful."

At this place, which Hiroshi, Mika, Takuro, and Takeshi visited for filming their YouTube channel "Mika Channel," they meet mysterious people like "Ai" and a "Suspicious Man" and get caught up in one strange event after another.

The ending branches depending on the player's actions within the game, and by seeing all endings, the truth of "Blueberry Onsen" is revealed!
Exploration and decisions affect the story, putting the key to the narrative in the player's hands.
20% Off to Commemorate the Release! LINE Stickers Also Available Simultaneously

In conjunction with the Steam version release, a limited-time 20% off sale is being offered starting Friday, May 2, 2025.
The regular price is 1,200 yen (tax included), but during the sale, it can be purchased for 960 yen (tax included).
Also, LINE stickers featuring in-game characters are on sale simultaneously.
A total of 16 types are available, including iconic stickers used by Aooni, Hiroshi and his friends, and Ai.
For details about the game, check the "Aooni: The Horror of Blueberry Onsen" Official Website and the "Aooni" official X account ( @aooni_official )!
【Enter the horror. Now on Steam🎮】
『青鬼 ブルーベリー温泉の怪異』Steam版が本日販売🎉
リリースを記念して、特別イラストも大公開🎨さらに20%オフセールも開催中✨
(Nintendo Switch / Steam)ゲーム実況・生配信大歓迎🎥
Nintendo Switch版も大好評発売中‼️▽今すぐ購入… pic.twitter.com/H93ynQVS9Z
— 【公式】青鬼シリーズ (@aooni_official) May 1, 2025
"Aooni: The Horror of Blueberry Onsen" Release Overview and Campaign | |
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Release Date | Nintendo Switch: Friday, April 25, 2025 Steam: Friday, May 2, 2025 |
Supported Platforms | Nintendo Switch, PC (Steam) |
Regular Price | 1,200 yen (tax included) |
Sale Price | 960 yen (tax included) |
Sale Period | Scheduled from Friday, May 2, 2025, to Thursday, May 15, 2025, 1:59 AM (JST) |
Supported Languages | Japanese, English, Korean, Chinese (Simplified/Traditional), French, German, Italian, Spanish, Indonesian |
LINE Stickers | Sold as a 6-type set / 50 coins (120 yen) |
Nintendo Switch Version Store Page | https://store-jp.nintendo.com/item/software/D70010000091842 |
Steam Version Store Page | https://store.steampowered.com/app/3388870/_/ |
LINE Stickers Store Page | https://line.me/S/sticker/30506949 |