Happinet has announced that it will exhibit at “Digikei Expo 2026,” taking place on November 8, 2026, under its indie game label “Happinet Indie Collection.”
Six titles, ranging from the new adventure game *Lost Museum*, which traces the memories of paintings, to a cat samurai action game, will be available for hands-on play
At the event, the company will set up a demo area featuring a total of six titles, including some yet-to-be-released games. The highlight is the new title *Lost Museum - The Tale of Kaigami*.
This adventure game depicts interactions with the “Kaigami”—beings born from the emotions and memories dwelling within paintings. Players explore the museum using point-and-click controls, gathering clues by examining paintings and furnishings and conversing with the Kaigami.Use the clues you gather to decipher the meaning hidden within lost memories and uncover the Kaigami’s pasts and feelings.

The titles on display are as follows. You can play *Artis Impact*, which was just released for Nintendo Switch in September 2026, as well as the Nintendo Switch 2 version of *Stray*, set for release on November 12.
Happinet’s Titles at DigiGame Expo 2026
*Lost Museum - The Kaigami Memoir* (Nintendo Switch 2/PC, scheduled for release in summer 2027)

*Artis Impact* (Nintendo Switch, now available) An adventure RPG set in a post-apocalyptic world ruled
by AI, where players search for fragments of memory. Winner of numerous awards at various gaming events, including the “BitSummit PUNCH” Vermilion Award (Grand Prize)
*Stray* (Nintendo Switch 2, scheduled for release on November 12, 2026) A Switch 2 version featuring
new features and high-resolution graphics in both TV and handheld modes. The physical edition includes “Companions’ Alphabet Cards” as a permanent bonus.
*The Land of Mononoke* (PC, scheduled for release in 2027) An action-adventure game set in a world where
myths and supernatural creatures thrive, in which a boy and a puppy face “fate” and “bonds.”
*Tokyo Stories* (PC, in development) An adventure game set in
“Tokyo, where everyone has disappeared.”
*Sa[meow]rai: The Silver-Winged Cat Samurai* (PC, scheduled for release in spring 2027) A combat action-adventure featuring a cat samurai fighting
in a neon-lit city, where every strike is a one-hit kill
In “Sa[meow]rai,” the giveaways change depending on your 10-minute time attack score!
Those who try out each title will receive a promotional item specific to that title. “Lost Museum -Kaigami’s Memoirs-,” “Artis Impact,” and “The Land of Mononoke” come with stickers; “Stray” comes with a postcard; and “Tokyo Stories” comes with a magnet sticker.





"Sa[meow]rai: The Silver-Winged Cat Samurai" will be held as a "Time Attack" event, where the giveaway items vary depending on which stage you reach within 10 minutes. In addition to the participation prize of a pocket tissue pack, you’ll receive an umbrella charm for clearing Stage 1 and a mouse pad for clearing Stage 2.



All promotional items are available in limited quantities and will be distributed on a first-come, first-served basis until supplies run out. In addition, a social media follow & wishlist registration campaign will be held; details will be announced on each title’s official social media accounts.
“Artis Impact” hoodies and iPhone cases will also be unveiled at the venue
Official licensed merchandise for *Artis Impact* will also be on display at the venue. As the first release, four items—a “pullover hoodie,” “zip-up hoodie,” “sweatshirt,” and “iPhone case”—featuring artwork from the game will be sold on Amazon.
Please note that merchandise will not be sold at the venue.

Digikei Expo 2026 will be held from 11:00 AM to 5:00 PM on November 8 at Akiba Square on the 2nd floor and the UDX Gallery on the 4th floor of Akihabara UDX. Please check the official website for details on how to participate.












