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Mebius.

Japanese game company that moved from contract development to publishing, known for reviving classic Japanese games on modern platforms.

Last updated September 29, 2026

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Overview

Mebius. (株式会社メビウス) is a Japanese video game company. According to its Japanese Wikipedia entry, it began as a developer of mobile-phone and Android game applications and as a subcontractor for home console games, before entering publishing in 2015. The company is particularly associated with re-releasing and porting older Japanese games: some Starfish SD titles reissued as Nintendo 3DS download software, and the Game Archives releases of Super Black Bass X2 and Blue Marlin in 2017, were distributed by Mebius. It also handles licensed ports to current hardware and revivals of Hot-B titles. From 2017 it has revived Riverhillsoft works, including the PC versions of World Neverland: The Story of the Kingdom of Oruld and World Neverland 2: The Story of the Republic of Pluto, and Nintendo Switch versions of the J.B. Harold series, under a license agreement with Althi. Its catalogue spans original and co-developed titles, ports, and reissues, such as Arcadias no Senki, Classic Dungeon Sengoku, Steel Empire, Maison de Maou, Moe Pro! Baseball 2016, Okuri Inu, Gnosia (PlayStation Vita version), Game Center Love. Plus Pengo!, Yoru, Tomosu, Rolling Gunner, Susanoo: Japanese Myth RPG, Illvelo Swamp, Apashi Narukami Gakuen Nanafushigi, Yukinmusume Daisenpu, Goblin Slayer -Another Adventurer- Nightmare Feast, Tokyo Dark -Remembrance-, and Elminage Original. The company maintains an official website with an online store and links to Game Archives and Steam, reflecting its focus on digital distribution of classic and niche titles.

History

Mebius. is a Japanese game company. Its early business consisted of developing game applications for mobile phones and Android, and subcontracting home console game development. In 2015 the company expanded into publishing. It became involved in re-releasing older titles: some games originally from Starfish SD that were reissued as Nintendo 3DS download software, and the 2017 Game Archives releases of Super Black Bass X2 and Blue Marlin, were distributed by Mebius. The company also carries out licensed ports to current hardware and revivals of Hot-B works. From 2017, under a license agreement with Althi, it revived Riverhillsoft titles, including the PC versions of World Neverland: The Story of the Kingdom of Oruld and World Neverland 2: The Story of the Republic of Pluto, and Nintendo Switch versions of the J.B. Harold series. Its catalogue includes both original and co-developed games, ports, and reissues, such as Arcadias no Senki (co-developed with Apollosoft, published by Nippon Ichi Software), Classic Dungeon Sengoku (published by Nippon Ichi Software), Steel Empire (remake port and revival), Maison de Maou (home console version), Moe Pro! Baseball 2016, Okuri Inu (Nintendo Switch version), Gnosia (PlayStation Vita version, developed by Petit Depotto), Game Center Love. Plus Pengo! (Nintendo Switch version, developed by Triangle Service), Yoru, Tomosu (published by Nippon Ichi Software), Rolling Gunner (Nintendo Switch version, developed by project Rolling Gunner), Susanoo: Japanese Myth RPG (developed by Hachikuma Soft), Illvelo Swamp / Illvelo Swamp + Radirgy Swag (developed by RS34), Apashi Narukami Gakuen Nanafushigi, Yukinmusume Daisenpu: Sayuki to Koyuki no Hiehie Daisoudou (Nintendo Switch package version), Goblin Slayer -Another Adventurer- Nightmare Feast (co-developed with Apollosoft, published by Bushiroad Games), Tokyo Dark -Remembrance- (developed by Cherrymochi), and Elminage Original (Nintendo Switch and Windows versions). The official website provides an online store and links to Game Archives and Steam.

  • 2017

    Distributed Game Archives releases of Super Black Bass X2 and Blue Marlin.

  • 2017

    Began reviving Riverhillsoft works under license from Althi, including World Neverland PC ports and J.B. Harold Nintendo Switch versions.

  • 2015

    Entered publishing after years of mobile/Android game development and home console subcontracting.

Products and positioning

A niche Japanese publisher and porting specialist focused on reviving classic and cult games for modern platforms.

  • Arcadias no Senki

  • Classic Dungeon Sengoku

  • Steel Empire

  • Maison de Maou

  • Moe Pro! Baseball 2016

  • Okuri Inu

  • Gnosia

  • Game Center Love. Plus Pengo!

  • Yoru, Tomosu

  • Rolling Gunner

  • Susanoo: Japanese Myth RPG

  • Illvelo Swamp / Illvelo Swamp + Radirgy Swag

  • Apashi Narukami Gakuen Nanafushigi

  • Yukinmusume Daisenpu: Sayuki to Koyuki no Hiehie Daisoudou

  • Goblin Slayer -Another Adventurer- Nightmare Feast

  • Tokyo Dark -Remembrance-

  • Elminage Original

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