Internal video game studios of Sega
Sega Type Privately held , subsidiary Industry Video games Key people
Hisao Oguchi , Noriyoshi Oba , Rikiya Nakagawa, Toshihiro Nagoshi , Yuji Naka , Yu Suzuki Parent Sega Sammy Website www.sega.com www.sega.jp
This is a list of development studios owned by Sega , a Japanese video game developer and publisher based in Tokyo , Japan . Also included are the companies that Sega has acquired over the years. For a list full list of games developed and published by Sega, see List of Sega video games and List of Sega arcade games .
1983–1989 [ ]
Development division [ ]
Department
Headed By
Notable Titles/Products
Notes
Ref(s)
Sega R&D1/DD1
Rikiya Nakagawa, Makoto Uchida
Focused on arcades.
Ports of arcade games to Sega Master System and Sega Genesis were made by R&D2 and R&D3
[1]
Sega R&D2/DD2
Mamoru Shigeta, Minoru Kanari
Focused on home console games
[2]
Sega R&D3/DD3
Sega R&D4
Unknown
Focused on cabinets of arcade games
Sega R&D5
Hideki Sato
SG-1000
SG-1000 II
Sega Mark III
Sega Genesis
Sega R&D6
Unknown
Sega R&D7
Unknwon
Focused on educational hardware. Released Sega Pico later on.
Sega R&D8/Studio 128
Yu Suzuki
After Burner
Hang-On
Space Harrier
Sword of Vermillion
Out Run
Focused on arcade games.
Ports of arcade games to Sega Master System and Sega Genesis were made by R&D2 and R&D3.
Developed Sword of Vermillion for home console.
[3]
1990–1999 [ ]
Arcade development division [ ]
Department
Members From
Headed By
Notable Titles/Products
Notes
Ref(s)
Sega AM1
Sega R&D1
Rikiya Nakagawa
Bonanza Bros
Dynamite Baseball series
Dynamite Deka series
Golden Axe series
Motor Raid
Puzzle & Action series
Sega Bass Fishing
The House of the Dead series
Sega AM2 [3] [4]
Studios 128
Yu Suzuki
Virtua Racing , Virtua Fighter series, Virtua Cop series, Virtua Striker 2 , Daytona USA and Fighting Vipers were developed for both arcade and consoles.
Daytona USA: Championship Circuit Edition was developed by Sega CS
Virtua Fighter 3 was ported to the Sega Dreamcast by Genki
Rent-A-Hero, Fighters Megamix and Shenmue were developed for console.
[5] [4]
Sega AM3
New
Hisao Oguchi
Baku Baku Animal , Funky Head Boxers and Last Bronx were developed for both arcade and console
Virtual-On series was ported to console by CRI
Rad Mobile (as Gale Racer) and Sega Rally was ported to Sega Saturn by Sega CS
Star Wars Arcade was ported to Sega 32X by Sega InterActive
DecAthlete and Winter Heat were ported to Sega Saturn by Data East
[6] [4]
Sega AM4 R&D
New
Unknown
Print Club series
UFO Catcher series
Formed to develop physical arcade cabinets housing games made by other departments
Made some work, including the UFO Catcher line of machines, by itself
Sega AM5 R&D
New
Tokinori Kaneyasu
New division created to develop medium and large scale attractions for the Joypolis , SegaWorld London , and Sega World Sydney indoor theme parks
AS-1 and VR-1 received software assistance from AM3, who also collaborated with Virtuality for the latter's Mega Visor Display headset
Sega AM6 R&D
New
Unknown
Formed to develop medal games for Japan
Made both hardware and software
Sega AM Annex
New
Tetsuya Mizuguchi
Split from AM3 under the leadership of Tetsuya Mizuguchi
Sega Rally 2 was developed for Dreamcast by AM6
Sega Touring Car Championship was developed for both arcade and console
Consumer development division (1990-1995) [ ]
Department
Members From
Headed By
Notable Titles
Notes
Ref(s)
Sega CS
Sega CD
Makoto Oshitani
After the first Sonic the Hedgehog , a number of developers went to STI
Streets of Rage 2 was co-developed by Ancient
The Revenge of Shinobi was co-developed by Megasoft
Several developers left to form Artoon
Consumer development division (1996-1999) [ ]
Department
Members From
Headed By
Notable Titles
Notes
Ref(s)
Sega CS1/AM6 R&D
Sega CS
Noriyoshi Oba
Pro Soccer Club o Tsukurou! series
Panzer Dragoon series
Sega Worldwide Soccer series
World Series Baseball series
[7] [4]
Sega CS2/AM7 R&D
Sega CS
Noriyoshi Oba
Atsumare! Guru Guru Onsen
Dragon Force series
Sakura Wars series
Dragon Force was originally developed by J-Force
Dragon Force II was developed by Chime
Sakura Wars was co-developed with Red Entertainment
[7] [4]
Sonic Team (CS3/AM8 R&D)
Sega CS
Yuji Naka
Sonic 3D Blast and Sonic R were co-developed with Traveller's Tales
Sonic Team was officially formed
Developed Samba de Amigo for arcade
[7] [4]
Sega CS4/AM9 R&D
Sega CS
Tetsuya Mizuguchi
2000–2002 [ ]
Studio list [ ]
Department
Members From
Headed By
Notable Titles
Notes
Ref(s)
WOW Entertainment
Sega AM1 R&D
Rikiya Nakagawa
Alien Front
Sega GT series
Sega Tetris
Sports Jam
The House of the Dead series
Vampire Knight
Focused on arcade
The House of the Dead III , Gekitou Pro Yakyuu: Mizushima Shinji Allstars vs Pro Yakyuu, Giant Gram 2000: Zen Nihon Pro Wres 3 Eikou no Yuushatachi, Sega Marine Fishing , Sega Tetris, Quiz Aa! Megami-sama: Tatakau Tsubasa to Tomoni, Sports Jam and Alient Front were developed for both arcade and console
Vampire Night was co-developed with Namco for arcade and PlayStation 2
Candy Stripe: Minarai Tenshi, Sega Bass Fishing 2, Home Run King, Sega GT, Sega GT 2002 and Sega GT Online were developed for home console
Columns Crown , The Pinball of the Dead were developed for the Game Boy Advance
Altered Beast: Guardian of the Realms was co-developed with 3d6 Games
Started development for non-Sega systems with Sega GT 2002 on Xbox
[8]
Sega AM2
Same as before
Yu Suzuki
Focused on arcade
18 Wheeler: American Pro Trucker , The King of Route 66, Beach Spikers , Ferrari F355 Challenge , Fighting Vipers 2 , Outtrigger and Virtua Fighter 4 were developed for both arcade and console
Shenmue, Shenmue II and Propeller Arena were developed for console
Propeller Arena was cancelled
Started development for non-Sega systems with 18 Wheeler: American Pro Trucker on PlayStation 2
[8]
Hitmaker
Sega AM3 R&D
Mie Kumagai
Focused on arcade
Crazy Taxi series, the Virtua Tennis series, Confidential Mission and Virtua Athlete were developed for both arcade and console
Cyber Troopers Virtual On Oratario Tangram was ported to Dreamcast by CRI
Segagaga was developed for Dreamcast
Started development on non-Sega systems with Crazy Taxi on PlayStation 2
[8]
Amusement Vision
Sega AM4 R&D
Toshihiro Nagoshi
Focused on arcade
Daytona USA 2001 was co-developed with Genki for Dreamcast
Developed Virtua Striker 3 and Super Monkey Ball series for both console and arcade
Started development on non-Sega systems with Super Monkey Ball on GameCube.
[8]
Sega Rosso
Sega AM5 R&D
Kenji Sasaki
Initial D Arcade Stage series
Star Wars: Racer Arcade
Focused on arcade
Cosmic Smash was developed for both console and arcade.
Cardcaptor Sakura: Tomoyo no Video Daisakusen was developed for the Dreamcast
Started on development on non-Sega systems with Sega Rally Championship on Game Boy Advance
[8]
Smilebit
Sega AM6 R&D
Shun Arai
Focused on console
Developed The Typing of the Dead for arcade and console
Started development on non-Sega systems with Jet Set Radio Future on Xbox
[8]
Overworks
Sega AM7 R&D
Noriyoshi Oba
Focused on console
Sakura Wars was co-developed with Red Entertainment
Started development on non-Sega systems with Shinobi on PlayStation 2
[8]
Sonic Team
Same as before
Yuji Naka
Focused on console
Developed Samba de Amigo for arcades and consoles
Puyo Pop was co-developed with Caret House
Sonic Advance and Sonic Advance 2 were co-developed with Dimps
Started developing for non-Sega systems with Sonic Advance for Game Boy Advance
[8]
Sonic Team USA
Sonic Team
Takashi Iizuka
Sonic the Hedgehog series
Formed after completion of Sonic Adventure to develop Sonic Adventure 2
Started developing for non-Sega systems with Sonic Adventure 2: Battle on GameCube
United Game Artists
AM5 + AM6 + AM8
Tetsuya Mizuguchi
Rez
Space Channel 5 series
Focused on console
Started developing for non-Sega systems with Rez on PlayStation 2
Tetsuya Mizuguchi left Sega to form Q? Entertainment
[8]
Wave Master
New Studio
Yukifimi Makino
Develops music for Sega games
[8]
Sega Mechatronics
AM4
Unknown
Medal games
Starhorse series
UFO Catcher series
2003-2005 [ ]
Studio list [ ]
Department
Members From
Headed By
Notable Titles
Notes
Ref(s)
Sega WOW
WOW Entertainment + Overworks
Rikiya Nakagawa
Resulting from a merger of WOW Entertainment and Overworks
Focused on both arcade and console
Sakura Wars was co-developed with Red Entertainment
Staff from Overworks worked on arcade titles Dragon Treasure and Sangokushi Taisen
Sega AM2
Same as before
Hiroshi Kataoka
Focused on arcade
Yu Suzuki departed from the studio to form Digital Rex
Sumo Digital ported OutRun 2 to Xbox
Developed Virtua Quest for console
Developed Sega Ages 2500 Vol. 16: Virtua Fighter 2 and Sega Ages 2500 Vol. 19: Fighting Vipers for PlayStation 2
Digital Rex
Sega AM2
Yu Suzuki
Focused on "cinematic online" games
No project was completed
Hitmaker
Same as before + Sega Rosso
Mie Kumagai
Focused on arcade
Amazing Island was developed with Ancient for GameCube
Cyber Troopers Virtual On Marz was developed for the PlayStation 2
Astro Boy: Omega Factor was developed with Treasure for Game Boy Advance
Developed Derby Owners Club for PC
Initial D Arcade Stage 2 was developed as Initial D: Special Stage for PlayStation 2
Amusement Vision
Same as before + Smilebit
Toshihiro Nagoshi
Focused on arcade and console
Spikeout: Battle Street was co-developed with Dimps
F-Zero GX was co-developed with Nintendo
Non-sports staff from Smilebit merged with Amusement Vision and worked on Ollie King and Yakuza
Smilebit
Same as before + Amusement Vision
Shun Arai
Derby Tsuku series
Pro Soccer Club o Tsukurou! series
Pro Yakyuu Team o Tsukurou! series
Virtua Striker 4
Focused on arcade and console
Sports staff from Amusement Vision merged with Smilebit and worked on Virtua Striker 4
Sonic Team
Same as before + United Game Artists + Wave Master
Yuji Naka
Astro Boy (2004 video game)
Billy Hatcher and the Giant Egg
Feel the Magic: XY/XX
Phantasy Star series
Puyo Puyo series
Sonic the Hedgehog series
Absorbed UGA staff
UGA staff worked on Astro Boy , Puyo Puyo Fever , Feel the Magic XX/YY and The Rub Rabbits!
Sonic Advance 3 and Sonic Rush were co-developed with Dimps
Sonic Team USA
Same as before
Takashi Iizuka
Sonic the Hedgehog series
Sega Mechatronics
Same as before
Unknown
Medal games
Starhorse series
UFO Catcher series
Mirai R&D
Same as before
Hiroshi Uemera
Mushiking series
Love and Berry series
Focused on arcade
Developed Mushiking for Game Boy Advance and Nintendo DS
2006–2008 [ ]
Global Entertainment division [ ]
Department
Members From
Headed by
Notable Titles
Notes
Ref(s)
GE1 R&D
Sonic Team + Sega WOW
Akinori Nishiyama
Naruhodo: The Intellectual Curiosity Research Center series
Puyo Puyo series
Sonic the Hedgehog series
Yuji Naka left in 2006 to form Prope
Sonic Rush Adventure was co-developed with Dimps
[9] [10] [11]
GE2 R&D
Sega WOW
Akira Nishino
Naruhodo: The Intellectual Curiosity Research Center series
Dramatic Dungeon: Sakura Wars — Because You Were There
Thunder Force VI
Valkyria Chronicles
Dramatic Dungeon: Sakura Wars — Because You Were There was co-developed with Red Entertainment and Neverland
[12] [13]
GE3 R&D
Sonic Team
Takao Miyoshi
Network Business Promotion
New
Takeshi Tokunaga
Sega Splash Golf
The Typing of the Dead 2
[14]
Sega Studio USA
Sonic Team USA
Takashi Iizuka
Nights: Journey of Dreams
co-developed Sonic Rivals series with Backbone Entertainment
Merged back into the Japanese studios in 2008
Sega Studio China
Sega WOW
Makoto Uchida
New Entertainment division [ ]
Department
Members From
Headed by
Notable Titles
Notes
Ref(s)
NE R&D
Amusement Vision
Toshihiro Nagoshi
[15] [16]
Sports R&D
Smilebit
Takaya Segawa
[17] [18]
Arcade development division [ ]
Department
Members From
Headed by
Notable Titles
Notes
Ref(s)
Sega AM1
Sega WOW
Yasuhiro Nishiyama
Too Spicy
Answer X Answer series
Sangokushi Taisen
The House of the Dead series
RAMBO
Sega AM2
Sega-AM2
Hiroshi Kataoka
Developed Virtua Fighter 5 for PlayStation 3 and Xbox 360
Developed Sega Golf Club for PlayStation 3
Ghost Squad for the Wii was developed by Polygon Magic
Sega AM3
Hitmaker
Mie Kumagai
[19] [20]
Sega AM+
Sega-AM2
Yu Suzuki
Yu Suzuki left Sega to form Ys Net in 2008
Family Entertainment R&D
New Studio
Hiroshi Uemera
Developed Mushiking and Love and Berry for Nintendo DS
[21]
Products R&D
Sega Mechatronics
Unknown
Medal games
Starhorse series
UFO Catcher series
Sega Amusement Europe
New Studio
Paul Williams
New division to focus on developing arcade games for the western market
2009–2017 [ ]
Consumer development division [ ]
Department
Members From
Headed by
Notable Titles
Notes
Ref(s)
CS1 R&D (includes Ryu Ga Gotoku Studio )
NE R&D + Sports R&D
Toshihiro Nagoshi
Binary Domain
Pro Soccer Club o Tsukurou! series
Kurohyō series
Pro Yakyuu Team o Tsukurou! series
Super Monkey Ball series
Yakuza series
[22] [23] [24] [25]
CS2 R&D (also includes Sonic Team )
GE1 R&D + Sega Studio USA + Sports R&D
Takashi Iizuka, Osamu Ohashi
[26] [27] [28] [29] [30] [31] [32] [33]
CS3 R&D
GE2 R&D + GE3 R&D
Akira Nishino
Sega Studio China
Same as before
Makoto Uchida
Sega Networks
CS1 R&D
Masayoshi Kikuchi
Online R&D
CS3 R&D
Takaya Segawa
[35]
Arcade development division [ ]
Department
Members From
Headed by
Notable Titles
Notes
Ref(s)
Sega AM1
AM1 + AM3
Yasuhiro Nishiyama
Developed Samurai Bloodshow, Alexandria Bloodshow, Champion Football , Chain Chronicle , Fuuin Yuusha! Main Tou to Sora no Meikyuu , World Chain. Code of Joker Pocket, Sanpoke: Sangokushi Taisen Pocket and StarHorse Pocket for mobile
Developed ports House of the Dead III and The House of the Dead 4 for PlayStation 3
Developed Rekishi Taisen Gettenka: Tenkaichi Battle Royale for both arcade and Nintendo DS
Developed Initial D: Perfect Shift Online f or Nintendo 3DS
Toylet was ported by Ryu Ga Gotoku Studio in Yakuza Kiwami 2
[36]
Sega AM2
AM2 + AM3
Hiroshi Kataoka
After Burner Climax
Border Break series
Hatsune Miku: Project DIVA Arcade series
KanColle Arcade
Sega Card Gen MLB series
Sega Network Taisen Mahjong MJ series
Shining Force Cross series
Soul Reverse Zero
Virtua Fighter series
Virtua Tennis 4
Virtual On series
Developed console ports of After Burner Climax , Virtual-On series, Daytona USA, Fighting Vipers, Gunblade NY and LA Machineguns Arcade Hits Pack, Hatsune Miku Project DIVA: Future Tone , Sonic the Fighters, Virtua Fighter 2 and Virtua Fighter 5 Final Showdown .
Developed Hatsune Miku: Project Mirai series for Nintendo 3DS
Developed Sega Network Taisen Mahjong MJ for mobile and PC
Developed Soul Reverse Zero for mobile
Developed Virtua Tennis 4 for console and arcades
Products R&D
Same as before
Unknown
Medal games
UFO Catcher series
Sega of China
Sega AM1
Makoto Uchida
Transformers: Human Alliance
Sega Golden Gun
Sega Amusements Europe
Same as before
Paul Willams
2018–current [ ]
Consumer development division [ ]
Department
Members From
Headed by
Notable Titles
Notes
Ref(s)
CS1 R&D/Asia & Japan Studio Div. 1 (includes Ryu Ga Gotoku Studio )
CS1 R&D + CS3 R&D
Masayoshi Yokoyama
Virtua Fighter 5: Ultimate Showdown was co-developed with Sega AM2
Toshihiro Nagoshi and Daisuke Sato left Sega
CS2 R&D/Asia & Japan Studio Div. 2 (includes Sonic Team )
CS2 R&D + CS3 R&D
Eigo Kasahara
Toaru Majutsu no Virtual-On was co-developed with Access Games
Valkyria Chronicles 4 was co-developed with Media.Vision
Takashi Iizuka joined Sega of America
Developed Sonic at the Olympic Games for mobile
Mobile R&D/Asia & Japan Studio Div. 3
same as before
Masayoshi Kikuchi
Pro Soccer Club o Tsukurou! series
Shin Megami Tensei: Liberation Dx2
Online R&D/Asia & Japan Studio Div. 4
same as before
Takaya Segawa
Phantasy Star series
Pro Yakyuu Team o Tsukurou! series
Ryu Ga Gotoku Online
Arcade development division [ ]
Department
Members From
Headed by
Notable Titles
Notes
Ref(s)
Sega AM1/Asia & Japan Studio Div. 5 #1
same as before
Unknown
Sega AM2/Asia & Japan Studio Div. 5 #2
same as before
Hiroshi Kataoka
Developed PlayStation 4 version of Border Break
Developed Hatsune Miku: Project DIVA Mega Mix for Switch
Co-developed Virtua Fighter 5: Ultimate Showdown with Ryu Ga Gotoku Studio
Sega AM3/Asia & Japan Studio Div. 5 #3
AM1 R&D
Unknown
Developed League of Wonderland for mobile
Products R&D/Asia & Japan Studio Div. 5 #4
Same as before
Unknown
Medal games
Starhorse series
UFO Catcher series
Sega Amusements International, Sega of China
Sega Amusements Europe
Patrick Micheal, Shinichi Osagawara
ATV Slam
Daytona Championship USA
MISSION: IMPOSSIBLE ARCADE
ATV Slam was developed by 3MindWave
Acquired/founded studios [ ]
Department
Division
Year of purchase/founding
Notable titles
Notes
Creative Assembly
Sega Europe
2005
Sports Interactive
Sega Europe
2006
Hardlight
Sega Europe
2012
Relic Entertainment
Sega Europe
2013
Company of Heroes series
Dawn of War series
Atlus
Sega Group Corporation
2013
Ignited Artists
Sega of America
2014
Amplitude Studios
Sega Europe
2016
Two Point Studios
Sega Europe
2019
Former studios [ ]
Department
Division
Year of purchase/founding
Year of release/dissolution
Fate
Notable titles
Sega Technical Institute
Sega of America
1990
1996
Dissolved
SegaSoft
Sega of America
1995
2000
Dissolved
No Cliché
Sega Europe
1999
2004
Dissolved
Visual Concepts
Sega of America
1999
2005
Sold to Take-Two Interactive
Sega Racing Studio
Sega Europe
2005
2008
Sold and Merged into Codemasters
Sega Studios Australia
Sega Europe
2006
2013
Dissolved
Medieval II: Total War
London 2012
Three Rings Design
Sega of America
2011
2016
Dissolved
Demiurge Studios
Sega of America, Mobile development
2015
2020
Sold back to co-founder[37]
References [ ]
^ "Hitmaker Home Oage!" . 22 April 2003. Archived from the original on 22 April 2003.CS1 maint: bot: original URL status unknown (link )
^ "セガ・名越稔洋が語るクリエイター活動30年史。200億稼いだ『デイトナUSA』開発秘話と、初めて明かす師・鈴木裕への想い【特別企画 前編】" .
^ a b "SEGA-AM2 – Games : 最新のAM2作品 -" . 30 June 2004. Archived from the original on 30 June 2004.
^ a b c d e f Production History and mention of studios in Japanese Magazines , Sega Saturn Magazine , pages 138–145
^ "ワウ エンターテイメント / 製品情報 /1998年以前のゲーム" . 25 June 2003. Archived from the original on 25 June 2003.
^ "Hitmaker WEB" . 10 June 2004. Archived from the original on 10 June 2004.CS1 maint: bot: original URL status unknown (link )
^ a b c Sega Saturn Magazine , page 22, just CS1-3
^ a b c d e f g h i j "Sega's new beginning" (PDF) . Edge . No. 89. pp. 68–78. Retrieved 22 August 2017 .
^ "もっと夢と感動を! 株式会社セガ様/第一GE研究開発部(旧:株式会社ソニックチーム)" . plus.co.jp .
^ "ソニックチャンネル/クリエイターズ インタビュー/011:岸本 守���&須永 江身子" . sonic.sega.jp .
^ "[SEGA]会社情報:採用情報" . 29 April 2006. Archived from the original on 29 April 2006.CS1 maint: bot: original URL status unknown (link )
^ 徹也, 稲元 (19 September 2007). "PS3の新たな表現の可能性に挑戦! セガの最新作『戦場のヴァルキュリア』に着目<開発者インタビュー>【TGS2007】" . nikkeibp.co.jp .
^ "[SEGA]会社情報:採用情報" . 12 January 2006. Archived from the original on 12 January 2006.CS1 maint: bot: original URL status unknown (link )
^ "4Gamer.net 「プロ野球チームをつくろう!ONLINE」「スプラッシュ!ゴルフ」などが発表された,新作発表会詳細レポート" . www.4gamer.net . Retrieved 2021-10-24 .
^ "龍が如く 見参!(セガ) – CRI Middleware" . www.cri-mw.co.jp .
^ "[SEGA]会社情報:採用情報" . 16 December 2005. Archived from the original on 16 December 2005.CS1 maint: bot: original URL status unknown (link )
^ "【4Gamer.net】 [特集]"常にそばにある,読みかけの本のような存在にしたい"「サカつくONLINE」開発陣が語るその狙いとは" . www.4gamer.net .
^ "[SEGA]会社情報:採用情報" . 4 November 2005. Archived from the original on 4 November 2005.CS1 maint: bot: original URL status unknown (link )
^ "Hiro師匠&光吉猛修インタビュー2/4回 Page1(GA-COREより)" . www.ne.jp .
^ "[SEGA]会社情報:採用情報" . 20 November 2005. Archived from the original on 20 November 2005.CS1 maint: bot: original URL status unknown (link )
^ https://web.archive.org/web/20051217021635/http://sega.jp/corp/saiyo/20050328.html (Hiring page)
^ "技術から語る「龍が如く」の10年 ~ 今世代で何が変わるのか ~ – 公式サイト – CEDEC 2016 – Computer Entertainment Developers Conference" . cedec.cesa.or.jp .
^ "アルバイト採用詳細 – ニュースリリース – 会社情報 – SEGA" . 16 October 2010. Archived from the original on 16 October 2010.CS1 maint: bot: original URL status unknown (link )
^ (c)SEGA. "[第1CSスタジオ]『龍が如く』シリーズ サウンドチーム サウンド制作募集 |アルバイト採用|株式会社セガゲームス -【SEGA Games Co., Ltd.】" . sega-games.co.jp .
^ 【ファミキャリ!会社探訪(27)】極上のエンターテインメント作品『龍が如く』シリーズを手がけるセガゲームス コンシューマ・オンラインカンパニーを訪問 - ファミ通.com
^ Inc., Aetas. "プロデューサーの飯塚 隆氏が語る,「ソニック ジェネレーションズ 白の時空/青の冒険」制作秘話とソニックシリーズ20年の歩み" . www.4gamer.net .
^ "2Dと3Dで究極のソニックに挑戦!『ソニック ワールドアドベンチャー』インタビュー – インサイド" . inside-games.jp .
^ "ソニックチャンネル/クリエイターズ インタビュー/026:大橋 修" . sonic.sega.jp .
^ 株式会社インプレス. "セガ、「リズム怪盗R 皇帝ナポレオンの遺産」 インプレッション&ミニインタビュー!! リズム怪盗R 皇帝ナポレオンの遺産" . impress.co.jp .
^ "【CEDEC2014】『ぷよぷよ』総合プロデューサーが9年間で得た「極意」が明らかに!" . gpara.com .
^ "すべては、面白いゲームをつくるため。大・小2つのチームワークが、クオリティを上げる。|ニュース&リポート|専門学校 HAL" . hal.ac.jp .
^ "アルバイト採用詳細 – ニュースリリース – 会社情報 – SEGA" . 27 December 2010. Archived from the original on 27 December 2010.CS1 maint: bot: original URL status unknown (link )
^ Interview . Very last question mentions Sega Studio USA merging back into Japanese studio.
^ "Sega Networks" . Andriasang.com. 2012-07-02. Retrieved 2013-05-23 .
^ "アルバイト採用詳細 – ニュースリリース – 会社情報 – SEGA" . 18 February 2013. Archived from the original on 18 February 2013.CS1 maint: bot: original URL status unknown (link )
^ Sinclair, Brendan (April 2, 2020). "Demiurge co-founder buys the studio back from Sega" . GamesIndustry.biz . Retrieved April 2, 2020 .
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