TOKYO, AUGUST 9, 2026 - As fans all over the world celebrate Moomin’s Day, the yearly tradition taking place on beloved author and artist Tove Jansson’s birthday, developer Crossbridge Game Studios and publisher Shochiku Games are delighted to reveal that their cozy point-and-click adventure Moomin: Midsummer Madness will launch this Autumn 2026 for PC, Nintendo Switch, and Nintendo Switch 2. Additionally, a physical edition on Nintendo Switch will be available at launch.

Inspired by Jansson’s 1954 fantasy novel Moominsummer Madness, players will embark on a new heartfelt journey with the Moomin family as Moominvalley is submerged by a great flood. Uncover the secrets of a mysterious floating theatre full of familiar faces in this charming, hand-painted adventure.

Whether you celebrate this Moomin’s Day by reading your favorite Moomin book, relaxing with your family, or creating something of your very own, we hope it’s full of love and joy!

About Moomin: Midsummer Madness
Moomin: Midsummer Madness is a point-and-click adventure game starring Moomintroll and Little My. Inspired by Tove Jansson’s classic novel Moominsummer Madness, the game features iconic scenes from the original work alongside brand-new stories. The world of Moominvalley is brought to life through beautiful, hand-drawn art that stays true to the original aesthetic.

Key features

Faithful Story & New Episodes — Experience a blend of iconic moments from Moominsummer Madness and playful new narratives.
Beautiful Hand-Drawn Art — Vibrant graphics inspired by Tove Jansson’s original illustrations, detailing everything from the Moominhouse to the floating theater.
Puzzles & Exploration for Everyone — Solve mysteries through dialogue, exploration, and mini-games. Includes a hint system so players of all ages can enjoy a relaxing experience.
Character Swapping — Switch between characters and use their unique traits to progress through the story.