Robert "Robin" Sephazon
@gameharbor.co.jp
Video game developer, curator, and historian living in Japan. Producer for Deltarune. I do not comment on games in development. 開発中ゲームについてコメント出来ませんので、ご理解下さい。
I was recently invited to participate in a roundtable at the Palace of Westminster during Westminster Games Week. I met with civil servants, Members of Parliament, and Peers to advocate for independent developers, studio continuity, and educational support. Let's back the next generation together!
July 31, 2026 at 11:37 AM
I was recently invited to participate in a roundtable at the Palace of Westminster during Westminster Games Week. I met with civil servants, Members of Parliament, and Peers to advocate for independent developers, studio continuity, and educational support. Let's back the next generation together!
What is the world of Pokémon?
It begins with people whose passion and dreams bring the games to life, and through those experiences, we connect, build friendships, and share moments that stay with us forever.
Thank you to The Pokémon Company International for inviting me to Pokémon Day in London.
It begins with people whose passion and dreams bring the games to life, and through those experiences, we connect, build friendships, and share moments that stay with us forever.
Thank you to The Pokémon Company International for inviting me to Pokémon Day in London.
February 28, 2026 at 12:27 PM
What is the world of Pokémon?
It begins with people whose passion and dreams bring the games to life, and through those experiences, we connect, build friendships, and share moments that stay with us forever.
Thank you to The Pokémon Company International for inviting me to Pokémon Day in London.
It begins with people whose passion and dreams bring the games to life, and through those experiences, we connect, build friendships, and share moments that stay with us forever.
Thank you to The Pokémon Company International for inviting me to Pokémon Day in London.
You were saying?
February 26, 2026 at 8:07 PM
You were saying?
It has been a remarkable season for Yuji Horii, from being awarded the Order of the Rising Sun, celebrating his birthday, and marking the 40th anniversary of Dragon Quest. I am honored to have been able to have dinner with everyone tonight, and recognize these amazing achievements.
January 21, 2026 at 12:58 PM
It has been a remarkable season for Yuji Horii, from being awarded the Order of the Rising Sun, celebrating his birthday, and marking the 40th anniversary of Dragon Quest. I am honored to have been able to have dinner with everyone tonight, and recognize these amazing achievements.
I managed to catch Doug Bowser at The Game Awards. I greatly appreciate his contributions and service to both Nintendo and the greater gaming industry during his tenure as President and COO of Nintendo of America.
December 12, 2025 at 12:27 AM
I managed to catch Doug Bowser at The Game Awards. I greatly appreciate his contributions and service to both Nintendo and the greater gaming industry during his tenure as President and COO of Nintendo of America.
Congratulations to the team at Retro Studios for the launch of Metroid Prime 4: Beyond. See you next mission!
December 4, 2025 at 11:06 PM
Congratulations to the team at Retro Studios for the launch of Metroid Prime 4: Beyond. See you next mission!
No sojourn to Paris would be complete without a visit to the Eiffel Tower. Of course, I was accompanied by Eternal Flower Floette as we explored the inspiration of Lumiose City and Prism Tower.
Paris est vraiment magnifique.
Paris est vraiment magnifique.
November 24, 2025 at 11:21 AM
No sojourn to Paris would be complete without a visit to the Eiffel Tower. Of course, I was accompanied by Eternal Flower Floette as we explored the inspiration of Lumiose City and Prism Tower.
Paris est vraiment magnifique.
Paris est vraiment magnifique.
I encountered the mythical @ashens.bsky.social native to Poundland. I have long respected his comprehensive knowledge of British computer history and vast experience of terrible old games you've probably never heard of, which helped form the foundation of my interest in video game development.
November 22, 2025 at 6:33 PM
I encountered the mythical @ashens.bsky.social native to Poundland. I have long respected his comprehensive knowledge of British computer history and vast experience of terrible old games you've probably never heard of, which helped form the foundation of my interest in video game development.
Whilst visiting the Palace of Westminster in London, I am reminded of a sonnet written by William Wordsworth titled "Composed upon Westminster Bridge, September 3, 1802." In Pokémon Sword and Shield, this location also serves as the inspiration for Rose of the Rondelands in Wyndon, Galar.
November 20, 2025 at 10:03 AM
Whilst visiting the Palace of Westminster in London, I am reminded of a sonnet written by William Wordsworth titled "Composed upon Westminster Bridge, September 3, 1802." In Pokémon Sword and Shield, this location also serves as the inspiration for Rose of the Rondelands in Wyndon, Galar.
Ahead of my adventure across Europe, I was lucky enough to stay in one of the Vocaloid collaboration rooms at Haneda Airport, specifically featuring MEIKO as a pâtissière.
ヨーロッパでの冒険に先立ち、幸運にも羽田空港のボーカロイドコラボルームに宿泊することができました。この部屋はメイコがパティシエとして登場していました。素晴らしいですよね！
ヨーロッパでの冒険に先立ち、幸運にも羽田空港のボーカロイドコラボルームに宿泊することができました。この部屋はメイコがパティシエとして登場していました。素晴らしいですよね！
November 17, 2025 at 2:39 PM
Ahead of my adventure across Europe, I was lucky enough to stay in one of the Vocaloid collaboration rooms at Haneda Airport, specifically featuring MEIKO as a pâtissière.
ヨーロッパでの冒険に先立ち、幸運にも羽田空港のボーカロイドコラボルームに宿泊することができました。この部屋はメイコがパティシエとして登場していました。素晴らしいですよね！
ヨーロッパでの冒険に先立ち、幸運にも羽田空港のボーカロイドコラボルームに宿泊することができました。この部屋はメイコがパティシエとして登場していました。素晴らしいですよね！
Unrelated to work, today I was joined by @director-kumazaki.bsky.social and producer Kamitake-san for the Uematsu con TIKI concert in Yokohama. Many thanks to Uematsu-san, Nubia-san, the con TIKI sisters, and everyone for the wonderful experience. I look forward to attending again soon!
November 8, 2025 at 12:46 PM
Unrelated to work, today I was joined by @director-kumazaki.bsky.social and producer Kamitake-san for the Uematsu con TIKI concert in Yokohama. Many thanks to Uematsu-san, Nubia-san, the con TIKI sisters, and everyone for the wonderful experience. I look forward to attending again soon!
I recently designed #EGLFashion inspired by The Legend of Zelda. These are all concepts and do not represent official works.
Designs include Ballad of the Wind Fish, Agitha's Castle, and Zelda's Lullaby. Thanks to @neskybo.bsky.social for illustrating these gorgeous dresses.
Designs include Ballad of the Wind Fish, Agitha's Castle, and Zelda's Lullaby. Thanks to @neskybo.bsky.social for illustrating these gorgeous dresses.
November 4, 2025 at 11:51 PM
I recently designed #EGLFashion inspired by The Legend of Zelda. These are all concepts and do not represent official works.
Designs include Ballad of the Wind Fish, Agitha's Castle, and Zelda's Lullaby. Thanks to @neskybo.bsky.social for illustrating these gorgeous dresses.
Designs include Ballad of the Wind Fish, Agitha's Castle, and Zelda's Lullaby. Thanks to @neskybo.bsky.social for illustrating these gorgeous dresses.
Temmie too strong!
November 2, 2025 at 5:27 PM
Temmie too strong!
Unrelated to work, I spent the day at HAL Laboratory. Thank you for the invitation @director-kumazaki.bsky.social! Happy HAL-loween!
仕事とは関係ないのですが、ハル研究所で一日過ごしました。熊崎さん、お誘いありがとうございます！ハッピー「ハル」ウィン！
仕事とは関係ないのですが、ハル研究所で一日過ごしました。熊崎さん、お誘いありがとうございます！ハッピー「ハル」ウィン！
November 1, 2025 at 3:13 AM
Unrelated to work, I spent the day at HAL Laboratory. Thank you for the invitation @director-kumazaki.bsky.social! Happy HAL-loween!
仕事とは関係ないのですが、ハル研究所で一日過ごしました。熊崎さん、お誘いありがとうございます！ハッピー「ハル」ウィン！
仕事とは関係ないのですが、ハル研究所で一日過ごしました。熊崎さん、お誘いありがとうございます！ハッピー「ハル」ウィン！
While I will not share scans of the book, there are forty pages of content including a brief overview of the museum exhibits, merchandise, and brand new interviews with Miyamoto, Tezuka, Nakago, and Kondo. It also features scans from the art gallery.
October 2, 2025 at 1:28 AM
While I will not share scans of the book, there are forty pages of content including a brief overview of the museum exhibits, merchandise, and brand new interviews with Miyamoto, Tezuka, Nakago, and Kondo. It also features scans from the art gallery.
Currently guests may only purchase one copy of the Nintendo Museum Official Book. This means that you cannot purchase both the English and Japanese versions at the same time. Your play ticket is scanned to confirm if you have already made a purchase that day.
October 2, 2025 at 1:28 AM
Currently guests may only purchase one copy of the Nintendo Museum Official Book. This means that you cannot purchase both the English and Japanese versions at the same time. Your play ticket is scanned to confirm if you have already made a purchase that day.
The Nintendo Museum now sells original Nintendo playing cards in addition to hanafuda and hyakunin isshu cards.
October 1, 2025 at 3:00 AM
The Nintendo Museum now sells original Nintendo playing cards in addition to hanafuda and hyakunin isshu cards.
Happy birthday to my friend and The Legend of Zelda director Fujibayashi-san. Thanks to Yuji Horii and Chokan for making it special.
友人であり、『ゼルダの伝説』のディレクター藤林さん、お誕生日おめでとうございます。特別な日を演出して下さった堀井さんとちょーかんに感謝します。
友人であり、『ゼルダの伝説』のディレクター藤林さん、お誕生日おめでとうございます。特別な日を演出して下さった堀井さんとちょーかんに感謝します。
September 30, 2025 at 1:03 PM
Happy birthday to my friend and The Legend of Zelda director Fujibayashi-san. Thanks to Yuji Horii and Chokan for making it special.
友人であり、『ゼルダの伝説』のディレクター藤林さん、お誕生日おめでとうございます。特別な日を演出して下さった堀井さんとちょーかんに感謝します。
友人であり、『ゼルダの伝説』のディレクター藤林さん、お誕生日おめでとうございます。特別な日を演出して下さった堀井さんとちょーかんに感謝します。
I am honored to have been the producer for the UNDERTALE 10th Anniversary special stream version. It was as fun to work on as it was to watch, thanks to the three musketeers and @tobyfox.undertale.com! I also conceptualised the UNDERTALE Memories project with @fangamer.com.
Stay determined!
Stay determined!
September 22, 2025 at 3:51 AM
I am honored to have been the producer for the UNDERTALE 10th Anniversary special stream version. It was as fun to work on as it was to watch, thanks to the three musketeers and @tobyfox.undertale.com! I also conceptualised the UNDERTALE Memories project with @fangamer.com.
Stay determined!
Stay determined!
Excited to attend the UNDERTALE 10th Anniversary Concert in Osaka! I know everyone involved has put in a lot of work to make an incredible experience!
大阪で開催されるUNDERTALE10周年記念コンサートに参加できて嬉しいです！関係者の皆様が、この素晴らしい体験を実現するために多大な努力をしてくださったことは、本当に嬉しいです！
大阪で開催されるUNDERTALE10周年記念コンサートに参加できて嬉しいです！関係者の皆様が、この素晴らしい体験を実現するために多大な努力をしてくださったことは、本当に嬉しいです！
September 14, 2025 at 7:39 AM
Excited to attend the UNDERTALE 10th Anniversary Concert in Osaka! I know everyone involved has put in a lot of work to make an incredible experience!
大阪で開催されるUNDERTALE10周年記念コンサートに参加できて嬉しいです！関係者の皆様が、この素晴らしい体験を実現するために多大な努力をしてくださったことは、本当に嬉しいです！
大阪で開催されるUNDERTALE10周年記念コンサートに参加できて嬉しいです！関係者の皆様が、この素晴らしい体験を実現するために多大な努力をしてくださったことは、本当に嬉しいです！
This is a transcription of the original text from the Super Mario Bros. experimental specifications in Japanese, as written by Shigeru Miyamoto.
September 3, 2025 at 5:21 AM
This is a transcription of the original text from the Super Mario Bros. experimental specifications in Japanese, as written by Shigeru Miyamoto.
The art exhibit at the Nintendo Museum showcases real history.
Content includes prototype designs, official key art, comics, sprite sheets, and internal memos. Many items feature hanko stamps and notes from developers including Miyamoto, Tezuka, Yokoi, and more!
Image: Nintendo Museum
Content includes prototype designs, official key art, comics, sprite sheets, and internal memos. Many items feature hanko stamps and notes from developers including Miyamoto, Tezuka, Yokoi, and more!
Image: Nintendo Museum
September 3, 2025 at 2:30 AM
The art exhibit at the Nintendo Museum showcases real history.
Content includes prototype designs, official key art, comics, sprite sheets, and internal memos. Many items feature hanko stamps and notes from developers including Miyamoto, Tezuka, Yokoi, and more!
Image: Nintendo Museum
Content includes prototype designs, official key art, comics, sprite sheets, and internal memos. Many items feature hanko stamps and notes from developers including Miyamoto, Tezuka, Yokoi, and more!
Image: Nintendo Museum
I have taken inventory of the new art exhibit at the Nintendo Museum. It is a profound display of Nintendo development history.
Artwork includes Splatoon, Pikmin, Animal Crossing, Zelda, Star Fox, Metroid, Donkey Kong, Mario, Kirby, and Fire Emblem spanning over four decades of Nintendo history.
Artwork includes Splatoon, Pikmin, Animal Crossing, Zelda, Star Fox, Metroid, Donkey Kong, Mario, Kirby, and Fire Emblem spanning over four decades of Nintendo history.
September 3, 2025 at 2:27 AM
I have taken inventory of the new art exhibit at the Nintendo Museum. It is a profound display of Nintendo development history.
Artwork includes Splatoon, Pikmin, Animal Crossing, Zelda, Star Fox, Metroid, Donkey Kong, Mario, Kirby, and Fire Emblem spanning over four decades of Nintendo history.
Artwork includes Splatoon, Pikmin, Animal Crossing, Zelda, Star Fox, Metroid, Donkey Kong, Mario, Kirby, and Fire Emblem spanning over four decades of Nintendo history.
Although my time in Seattle was brief, I am excited to have been able to meet and visit with many friends and colleagues. Thank you everyone who contributed to the success of this trip.
シアトルでの滞在は短かったものの、多くの友人や同僚と出会い、交流できたことを大変嬉しく思います。この旅の成功に貢献してくださった皆様に感謝申し上げます。
シアトルでの滞在は短かったものの、多くの友人や同僚と出会い、交流できたことを大変嬉しく思います。この旅の成功に貢献してくださった皆様に感謝申し上げます。
September 1, 2025 at 10:29 PM
Although my time in Seattle was brief, I am excited to have been able to meet and visit with many friends and colleagues. Thank you everyone who contributed to the success of this trip.
シアトルでの滞在は短かったものの、多くの友人や同僚と出会い、交流できたことを大変嬉しく思います。この旅の成功に貢献してくださった皆様に感謝申し上げます。
シアトルでの滞在は短かったものの、多くの友人や同僚と出会い、交流できたことを大変嬉しく思います。この旅の成功に貢献してくださった皆様に感謝申し上げます。