Moomin Midsummer Madness Set to Release November 12! Pre-Orders Open for Nintendo Switch and Nintendo Switch 2 Physical Editions

Shochiku Co., Ltd.'s Game Division (hereinafter Shochiku Games) announced that the novel-adapted adventure game, Moomin Midsummer Madness, developed by France-based studio Crossbridge, will release on Thursday, November 12, 2026.
Alongside the announcement, pre-orders for the Nintendo Switch and Nintendo Switch 2 physical editions have opened.
Note: This article is based on information published in Japan. Please refer to local official websites for pricing and availability in each country or region.

Release Date Set for Moomin Midsummer Madness! New Trailer Highlights Beautiful Game Visuals

? The wait is finally over!

Moomin: Midsummer Madness is coming out on the 12th of November 2026!?

For full details, check out!
? https://t.co/tRwgGMarUk pic.twitter.com/5yRCgMGFz1

— Shochiku Games (@ShochikuGamesEN) August 21, 2026

Shochiku Games set the release date for the new Moomin title, Moomin Midsummer Madness, for Thursday, November 12, 2026!
This title is a point-and-click adventure game based on the classic novel.
Wandering into a mysterious floating structure, the Moomins must uncover secrets as they search for a way back home to Moominvalley.

New Trailer Released! An Adventure That Begins in a "Magic"-Filled Theatre

In the newly released Moomin Midsummer Madness Release Date Announcement Trailer, you can get a full taste of the game's charming atmosphere!

Story

PR TIMES

Moomintroll is waiting for Snufkin to return from his travels, when a flood suddenly hits Moominvalley. While drifting through the rising waters, the Moomin family discovers a mysterious floating building and takes cover inside. The strange building turns out to be a theatre, filled with costumes, scripts, and a stage.
This sets out the new game Moomin: Midsummer Madness, which follows the arc of the 1954 novel Moominsummer Madness, while surprising even fans who know the classic story by heart.
The game is designed as a relaxing, discovery-driven adventure accessible to all ages.

Full Bonus Lineup for Physical Editions Revealed! Postcard Book with Stunning Art Design and More

PR TIMES

As exclusive bonuses for the Nintendo Switch / Nintendo Switch 2 physical editions, a special lineup of items packed with the game's charm will be available.
Highlights include the Moominvalley Postcard Book adorned with beautiful artwork from the story and an Embroidered Handkerchief that makes you want to take it on outings with friends!

Bonus Lineup

• Moominvalley Postcard Book
• Embroidered Handkerchief
• Mesh Pouch
• Frosted Glass-Style Keychain
• Glossy Clear Stickers (Also included in first-print copies of the Standard Physical Edition)

Exclusive Store Bonuses

Purchasing the physical edition at the following retailers comes with additional exclusive bonuses!

• Rakuten Books
• AmiAmi
• Amazon.co.jp
• Joshin
• Animate
• Bic Camera
• Sofmap
• Kojima

Shochiku Games will reveal details and visuals for these items progressively on the official Moomin Midsummer Madness website!

Pre-Orders Open for Moomin Midsummer Madness Physical Editions on Nintendo Switch / Nintendo Switch 2! Releasing November 12

PR TIMES

Pre-orders for the Nintendo Switch / Nintendo Switch 2 physical editions of Moomin Midsummer Madness began rolling out on Friday, August 21, 2026.
You can pre-order at video game retailers and online stores across Japan, and view a complete list of bonuses on the official Moomin Midsummer Madness website!

Why not experience this heartwarming story and the picturesque world of the Moomins on your Nintendo Switch / Nintendo Switch 2?
Check official Shochiku Games on X (@ShochikuGames) for the latest updates!

【Switch / Switch2 パッケージ限定版の特典解禁?】

『ムーミン：ムーミン谷の夏まつり』

特典情報をもう少し詳しく・・！

ここでしか手に入らない、本作の魅力がたっぷり詰まった
特別なアイテムをご用意しました。

特典やご予約の詳細は、公式サイトからぜひチェックしてみてくださいね！☘️ pic.twitter.com/Ljzk8cbbd2

— 松竹ゲームズ (@ShochikuGames) August 21, 2026