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Collavier

Japanese video game developer and publisher known for downloadable Nintendo software, creative tools, and casual games.

Last updated August 31, 2026

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Overview

Collavier Corporation is a Japanese video game development and publishing company based in Kita-Ueno, Taito-ku, Tokyo. The company was founded in 2008 by Yoshinori Satake, who had previously served as lead game designer on Steel Empire and Over Horizon, titles associated with the Japanese developer Hot B. Collavier’s catalog has centered on downloadable and digitally distributed software rather than large-scale boxed releases, with a particular emphasis on Nintendo’s handheld ecosystems. In its Japanese market, Collavier released software for Nintendo DSiWare and the Nintendo 3DS Nintendo eShop. Its output included drawing and illustration applications, aquarium and sea-life simulators, puzzle and connect-the-dots games, casual strategy titles, and licensed coloring-book products. The Comic Workshop and Painting Workshop lines positioned the company partly as a provider of accessible creative software, allowing users to draw, color, or create comic-style artwork on Nintendo hardware. Other releases, such as My Aquarium: Seven Oceans and Deep Sea Creatures, used the handheld platform for themed simulation and collection experiences. Collavier also developed several casual game series. The Mysterious Stars games used historical or storybook themes within connect-the-dots-style formats, including The Samurai, The Singer, and A Fairy Tale. The company additionally published Amida’s Path, Magical Diary: Secrets Sharing, Monster Combine TD, and other small-scale downloadable games. In Japan, it released licensed coloring products tied to Sanrio properties, including Hello Kitty, My Melody, and Little Twin Stars. A significant business turning point came in 2014, when Collavier began distributing games and software in North American and European markets. The international releases were concentrated on Nintendo 3DS eShop and Nintendo DSiWare, and included localized or region-specific versions of Comic Workshop, Comic Workshop 2, Painting Workshop, Monster Combine TD, My Aquarium: Seven Oceans, Deep Sea Creatures, Magical Diary: Secrets Sharing, Amida’s Path, and the Mysterious Stars series. This expansion broadened the company’s audience beyond Japan while retaining its focus on downloadable handheld software. Collavier later acquired the intellectual property of Ertain after Ertain ceased operations. The available reference material does not identify the individual properties acquired, the transaction terms, or the subsequent commercial performance of those assets. A project listed as in development in Japan was an iPad title translated in English as The King Ept and His 1001 Consorts, although the sources do not establish whether it was ultimately released. Collavier’s publicly documented catalog is concentrated in the early 2010s, particularly the Nintendo DSiWare and Nintendo 3DS period. Its English and Japanese websites have been reported as unavailable, and the available material does not clearly establish the company’s current operating status, ownership, or ongoing release activity. Accordingly, the brand is best characterized as a Japanese digital game developer and publisher with a historically documented presence in Nintendo handheld software, while its present status remains uncertain.

History

Collavier was established in Japan in 2008 by Yoshinori Satake, a game designer whose earlier credits included Steel Empire and Over Horizon, both developed by Hot B. From its early years, the company focused on downloadable software and games for Nintendo handheld platforms. This model allowed Collavier to publish compact, specialized products, including creative applications and casual games, without relying on conventional retail distribution. The company’s Japanese catalog developed across Nintendo DSiWare and Nintendo 3DS eShop. Early releases included drawing and coloring tools, aquarium-themed software, connect-the-dots games, and other small downloadable experiences. The Mysterious Stars series combined connect-the-dots mechanics with settings such as samurai-era Japan, a singer’s story, and a fairy-tale world. Collavier also released Amida’s Path, Magical Diary: Secrets Sharing, Deep Sea Creatures, and My Aquarium: Seven Oceans. Its Japanese portfolio included licensed coloring applications based on Sanrio characters, notably Hello Kitty, My Melody, and Little Twin Stars. Collavier expanded outside Japan in 2014. It began releasing products in North America and Europe, using Nintendo’s digital storefronts as the principal international channels documented in the available sources. The overseas catalog included Comic Workshop, Painting Workshop, Comic Workshop 2, Monster Combine TD, My Aquarium: Seven Oceans, Deep Sea Creatures, Amida’s Path, Magical Diary: Secrets Sharing, and the Mysterious Stars titles. The international expansion represented a shift from a primarily domestic publisher to a company seeking audiences in multiple Nintendo regions. The company also acquired the intellectual property of Ertain after Ertain shut down. The sources confirm the acquisition of the intellectual property but do not provide details about the assets, price, integration, or later use. Collavier had at least one iPad project listed as being in development in Japan, translated as The King Ept and His 1001 Consorts; the available information does not confirm a release. Collavier’s documented activity is concentrated in the period when Nintendo DSiWare and the Nintendo 3DS eShop were important channels for downloadable handheld software. The company’s websites, including its English site, have been reported as down. No reliable source in the supplied material confirms whether Collavier remains active, has dissolved, or operates under another structure. Its current status, ownership, and post-2015 product activity therefore require further verification.

  • 2015

    Comic Workshop 2 released internationally

    [1]

    Comic Workshop 2 appeared in the company’s North American, European, and Japanese Nintendo 3DS eShop catalogs.

  • 2014

    International distribution begins

    [1]

    The company began releasing games and software in North American and European markets.

  • 2011

    Early Nintendo downloadable catalog

    [1]

    Collavier released drawing software and licensed coloring-book products for Nintendo handheld platforms in Japan.

  • 2008

    Company founded

    [1]

    Collavier was founded in Japan by Yoshinori Satake, a former lead game designer associated with Steel Empire and Over Horizon.

Products and positioning

A creator-focused and casual-download publisher serving Nintendo handheld users, with an emphasis on accessible art tools, themed puzzle games, simulations, and compact digital entertainment.

  • Creative software · 2014

    Comic Workshop

    A downloadable Nintendo handheld creative application centered on comic and illustration creation. It was first released in Japan for Nintendo 3DS and later distributed in North America and Europe through the Nintendo 3DS eShop. The product represents Collavier’s effort to combine accessible drawing tools with the portable touchscreen interface.

  • Creative software · 2015

    Comic Workshop 2

    The follow-up to Comic Workshop, released for Nintendo 3DS digital storefronts. It extended Collavier’s comic-making software line and was distributed in Japan, North America, and Europe. The title was among the company’s most visible products during its international publishing period.

  • Creative software · 2013

    Painting Workshop

    A portable painting and drawing application released through Nintendo’s digital ecosystem. It formed part of Collavier’s creator-oriented software portfolio and was published in Japan as well as in North American and European markets.

  • Simulation · 2013

    My Aquarium: Seven Oceans

    An aquarium-themed downloadable title featuring marine life from multiple ocean environments. It was released in Japan through Nintendo DSiWare and Nintendo 3DS-related distribution and later appeared in European and North American catalogs. The product reflects Collavier’s use of compact simulation concepts for handheld audiences.

  • Puzzle games · 2012

    Mysterious Stars series

    A series of connect-the-dots-style games built around distinct narrative and thematic settings. Documented entries include The Samurai, The Singer, and A Fairy Tale. The series originated in Japan and selected titles were later released in North America and Europe.

  • Strategy game · 2014

    Monster Combine TD

    A downloadable Nintendo 3DS title combining monster-themed gameplay with tower-defense elements. It was released in Japan and subsequently distributed in North America and Europe.

  • Simulation game · 2013

    Deep Sea Creatures

    A marine-life-themed downloadable title released for Nintendo handheld platforms. It formed part of Collavier’s aquarium and ocean-oriented software catalog and was documented for the Japanese and North American markets.

  • Licensed creative software · 2011

    Licensed coloring-book series

    A Japanese series of digital coloring products using Sanrio properties, including Hello Kitty, My Melody, and Little Twin Stars. These releases extended Collavier’s creative-software offering through recognizable character licenses.

Brand decisions

  • 2014

    Expansion into North America and EuropeStrategy

    Background

    Collavier had initially released its software exclusively in Japan, primarily through Nintendo’s downloadable handheld platforms.

    Action taken

    The company began publishing selected games and software in North American and European markets, including creative tools, casual games, simulation titles, and the Mysterious Stars series.

    Aftermath

    The move gave Collavier a documented international distribution footprint, although the available sources do not provide sales figures or information about the long-term commercial results.

  • Acquisition of Ertain intellectual propertyM&A

    Background

    Ertain ceased operations, leaving its intellectual property available for acquisition.

    Action taken

    Collavier acquired Ertain’s intellectual property.

    Aftermath

    The supplied sources do not identify the acquired properties, transaction terms, or subsequent releases using the assets.

Sources1 sources

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