Shochiku Games has released the point-and-click adventure game " Moomin: Summer Festival in Moominvalley," based on the novel by Tove Jansson, for Nintendo Switch, Nintendo Switch 2, and PC (Steam).
A new trailer narrated by Emiko Shiratori has been released, and a launch sale and commemorative events will also be held.
"Moomin: Summer Festival in Moominvalley" is Now Available! Embark on an adventure through the hand-drawn world of Moominvalley
" Moomin: Summer Festival in Moominvalley " is an adventure game set in Moominvalley, which has been struck by a great flood, where you play as Moomintroll or Little My to find your way home.
In addition to iconic scenes from the original story, you can enjoy original adventures created specifically for this game, all set in a world rendered with warm, hand-drawn art.
A trailer has also been released to coincide with the launch.
Emiko Shiratori, who provided the narration and sang the theme song for the animated series “The Moomins,” serves as the narrator.
A launch sale offering 10% off the digital version is underway
To celebrate the release, a launch sale is being held where you can purchase the download version at 10% off the regular price.
The sale prices are 2,295 yen (tax included) for the Nintendo Switch and Nintendo Switch 2 versions, and 2,070 yen (tax included) for the Steam version.
The sale period varies by platform.
- Nintendo Switch / Nintendo Switch 2: Thursday, November 12, 2026, at 12:00 a.m. – Wednesday, November 25, at 11:59 p.m.
- Steam: Thursday, November 12, 2026, 5:00 PM – Thursday, November 26, 10:00 AM
A collaborative bundle featuring three Moomin games is available on Steam
Steam is also offering the “Welcome to MOOMINVALLEY bundle,” a collaboration between Hyper Games and Crossbridge Game Studios, the developer of this title.
This bundle includes three titles—"Snufkin: Melodies of Moominvalley," "Moomin Troll: Winter Warmth," and this game—and is available for 5,669 yen (tax included), down from the regular price of 6,900 yen (tax included).
A giveaway campaign is being held to win a limited edition Switch 2 version of the game
Shochiku Games’ official Instagram is running a giveaway campaign to celebrate the release.
Follow the account and “like” the designated post for a chance to win a limited-edition Nintendo Switch 2 game —two winners will be selected at random.
The entry period runs from Thursday, November 12, 2026, to Thursday, November 19, 2026, at 11:59 PM.
Photo Contest for Merchandise Prizes Also Underway
We’re also holding a photo contest where you can win merchandise by posting a photo of your favorite scene from the game on Instagram with the designated hashtag.
Entries will be accepted starting in mid-November 2026, and the deadline is scheduled for Thursday, November 26, 2026.
Release Celebration Events on Saturday, November 21 and Sunday, November 22
At Cocoon City in Saitama City, Saitama Prefecture, the launch event “Let’s Play Together! ‘Moomin: Summer Festival in Moominvalley’ Launch Celebration Experience Plaza at Cocoon City” will be held on Saturday, November 21, and Sunday, November 22, 2026.
The venue will feature a game demo area, photo spots, and an in-venue stamp rally, among other activities.
- Dates and Times: November 21 (Sat) and 22 (Sun), 2026, 11:00 AM – 6:00 PM
- Venue: Cocoon City, Cocoon 2, 1st Floor, Omotenashi Plaza (4-263-1 Yoshiki-cho, Omiya-ku, Saitama City, Saitama Prefecture)
- Admission: Free
For details, please visit the official website for “Moomin: Moominvalley Summer Festival.”
| Title Overview | |
|---|---|
| Name | Moomin: Summer Festival in Moominvalley |
| Genre | Point-and-click adventure game |
| Platform | Nintendo Switch / Nintendo Switch 2 / PC (Steam) |
| Release Date | Thursday, November 12, 2026 |
| Price | Nintendo Switch / Nintendo Switch 2 Digital Version: 2,550 yen (tax included) Nintendo Switch / Nintendo Switch 2 Physical Version: Standard Edition 4,480 yen (tax included), Limited Edition 10,120 yen (tax included) Steam: 2,300 yen (tax included) |
| Number of Players | 1 player |