Dive into the Mystery: Sunshine Aquarium's Interactive Nighttime Event

From June 12 through July 20, Sunshine Aquarium in Ikebukuro, Tokyo, will transform into an eerie experience with the return of the interactive puzzle event, 'Sunshine Aquarium x Aquarium Doesn't Dance: A Challenge from the Director'. This limited nighttime event is a collaboration with the popular free horror game 'Aquarium Doesn't Dance', where participants immerse themselves in a mysterious world that evolves throughout the aquarium.

Following the success of their first collaboration in October 2025, this event promises to be even more thrilling. Participants will become the protagonists in their own puzzle-solving adventures, reminiscent of the game itself. This engaging experience will include a puzzle rally for a small fee, atmospheric decorations, and special illustrations exclusive to the event. The storyline picks up after the first event, inviting both returning and new players into the captivating world of 'Aquku', as fans affectionately call it.

The Intriguing World of ‘Aquarium Doesn't Dance’

'Aquarium Doesn't Dance' is a unique horror adventure game created by the talented artist Daida. Surprisingly, Daida, who once despised horror, dedicated eight years to develop this engrossing title, which debuted on February 15, 2024, achieving over 100,000 downloads within just two days. By January 2026, it surpassed a total of 800,000 downloads, cementing its place in the gaming community.

The game has been recognized within the Japanese free game contest, winning the scenario department gold award. Besides its massive success on PC, 'Aquarium Doesn't Dance' has also launched on Nintendo Switch™, contributing to its hype and discussion among fans. This collaboration is more than a mere exhibition; it’s a deep dive into the mysteries of the game, challenging participants to solve the riddles presented by the aquarium’s fictional director, Bianca.

Event Details and Features

Event Name: Nighttime Limited Interactive Puzzle Event - 'Sunshine Aquarium x Aquarium Doesn't Dance: A Challenge from the Director'
Location: Sunshine Aquarium
Dates: June 12 (Friday) to July 20 (Monday, national holiday)
Hours: Weekdays 4 PM - 7 PM; Weekends and Holidays 5 PM - 8 PM
Admission: Regular aquarium entry fees apply. Puzzle rally costs an additional 500 yen.
Event Website: Official Site

The event will feature an immersive puzzle rally through the aquarium. Participants will receive a rally sheet filled with challenges inspired by the game. They will have to decode messages and unlock secrets, aiming to solve every mystery to uncover the truth. At the end of their adventure, every participant will receive a unique ending card!

A Haunting Transformation Awaits

Entering the Sunshine Aquarium will feel like stepping into another world. The atmosphere will shift from soothing aquatic surroundings to a more foreboding ambiance, with special effects and soundscapes that echo the mystery and eeriness of the game's narrative. Each corner of the aquarium will feature decorations true to the original game, providing puzzles and setups that mimic familiar scenes.

For fans of 'Aquarium Doesn't Dance', a special café menu featuring themed drinks and brand new merchandise from exclusive illustrations created by Daida will also be available. This merchandise reflects the unique charm of the game’s characters dressed in staff uniforms, allowing fans to bring a piece of the experience home.

Don’t Miss Your Chance!

Whether you are a long-time fan of 'Aquarium Doesn't Dance' or encountering its world for the first time, this nighttime event from June 12 to July 20 is set to deliver thrilling experiences packed with puzzles and frights. Prepare to navigate the darker waters of the aquarium, solve the mysteries laid out for you, and emerge victorious in this limited-time adventure!

For further inquiries, call Sunshine Aquarium at 03-3989-3466 or check their official website for tickets and updates. The enchanting camaraderie of aquatic life and chilling adventure beckons for everyone brave enough to accept the challenge.