Ryu Ga Gotoku Studio (English Wikipedia)

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https://www.segasammy.co.jp/japanese/media/file/ir/library/archive/sega/sega_annual_tuuki_2002.pdf Archived 2018-11-30 at the Wayback Machine ^{[bare URL PDF]}
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Hirohiko Niizumi (June 1, 2004). "Sammy reveals new logo, changes at Sega". GameSpot. Archived from the original on August 28, 2018. Retrieved November 16, 2016.
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Fahey, Rob (October 4, 2004). "Sega and Sammy complete merger, new holding company launched". Gamesindustry.biz. Archived from the original on June 12, 2018. Retrieved March 31, 2020.
Hinkle, David (April 13, 2012). "NPD: Binary Domain sold 20K in March". Joystiq. Archived from the original on December 2, 2013. Retrieved February 12, 2023.
"Crunchyroll - Find Out Why SEGA's Masao Shirosaki Revived Monkey Ball & More!". Archived from the original on 2019-12-20.
SEGA. 龍が如くスタジオ｜セガ公式サイト. 龍が如くスタジオ｜セガ公式サイト. Archived from the original on 2021-06-24. Retrieved 2021-06-23.

x.com

@RGGStudio (July 16, 2019). "We're not monkeying around, Super Monkey Ball: Banana Blitz HD lands on the Nintendo Switch, PlayStation 4, and Xbo…" (Tweet). Retrieved 2021-06-23 – via Twitter.
@RGGStudio (May 25, 2021). "Virtua Fighter is back. Re-made in RGG Studio's Dragon Engine, the 3D fighting game that started it all never looke…" (Tweet). Retrieved 2021-06-23 – via Twitter.
@RGGStudio (June 15, 2021). "Get ready to go bananas! 🍌 RGG Studio's @SuperMonkeyBall Banana Mania brings the series back to its beginnings fo…" (Tweet). Retrieved 2021-06-23 – via Twitter.

youtube.com

Yakuza 6: The Song of Life "Essence of Art" Exhibit Live Stream, retrieved 2023-11-17
Rogers, Tim. "We Talked To YAKUZA and JUDGMENT Director Toshihiro Nagoshi". YouTube.