Sonic Gems Collection/Production credits
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Production credits
- Chief Producer: Yuji Naka, Akinori Nishiyama
- Producer: Yojiro Ogawa
- Director: Mizuki Hosoyamada
- Game Designer: Makoto Hirata
- Programmer: Makoto Suzuki, Takahiro Sekiguchi
- Interface Designer: Takashi Ishihara
- Graphic Designer: Hideaki Moriya, Hisae Jibiki, Takanobu Kimura
- Illustrator: Yuji Uekawa
- Sound Director: Naofumi Hataya
- Sound Creator: Tatsuyuki Maeda, Takenobu Mitsuyoshi, Tomonori Sawada, Takeshi Isozaki
- Special Thanks: Takashi Iizuka, Kazuyuki Hoshino, Emiko Fujii, Shinobu Yokota, Akari Uchida
Sega of Japan, Inc.
- Sales Promotion: Takayoshi Ohuchi, Yasushi Nagumo, Mariko Takeda, Yoko Nagasawa
- Product Producer: Hiroyuki Miyazaki, Koki Akiyama
- Internal Business & Product Development: Tatsuyuki Miyazaki, Tatsuya Shikata, Shinobu Shindo, Shiko Sakai, Yuri Maita
- Design Production Team: Yoshihiro Sakuta, Youichi Takahashi, Chieko Nakamura, Makoto Nishino, Ayako Sakai, Hisakazu Nakagawa, Satoru Ishigami, Tetsuya Honda
- Product Test: Junichi Shimizu, Akira Nishikawa, Kazuhiko Morii, Akira Terasawa, Kenji Takano, Yuji Nakamura, Takashi Shimogaito, Masato Bandou
- Special Thanks: Kazunori Yagi, Nobuyuki Inoue
Sonic the Fighters (Console Conversion Credits)
- Director: Toru Kujirai
- Supervisor: Hiroshi Kataoka
- Programmers: Masanori Sato, Hajime Take, Yukinori Kaneko
- Designer: Satoshi Fujinuma
- Planner: Masahrio Katsuta
- Sound Creator: Seiichi Hamada
- Teat Team: Naoto Tomita
- Special Thanks: Masanobu Kutomi, Yuji Miyata, Hiroshi Masui, Tatsutoshi Narita
- Created By: Sega AM2
Sonic the Hedgehog CD (Console Conversion Credits)
- Programmers: Yasuaki Takeya, Tetsuji Mukai
- Assistant Programmer: Masahiro Harada
- Technical Director: Katsuji Dojun
- Created By: H.I.C Co. Ltd.
Sonic R (Console Conversion Credits)
- Lead Programmer: James Cunliffe
- Lead Artist: Dave Burton
- Head Artist: James Cunliffe
- Console Conversion: Steve Monks
- Additional Programmers: John Hodskinson, Stephen Harding, Andy Holdroyd
- Additional Art: Leon Warren, Neil Allen, Will Thompson, Bev Bush
- Created By: Traveller's Tales UK Ltd.
- CEO: Naoya Tsurumi
- President: Simon Jeffery
- Localization Producer: Martin Hunter Caplan
- Director of Product Development: Osamu Shibamiya
- QA Project Lead: Shawn Dobbins
- Product Marketing Manager: Ami Matsumura-Blaire, Yosuke Moriya
- VP of Entertainment Marketing: Scott A. Steinberg
- Public Relations: Bret Blount, Ethan Einhorn
- Special Thanks: Chris Olson, Bridget Oates
- CEO: Naoya Tsurumi
- President & COO: Mike Hayes
- Creative Director: Matt Woodley
- QA Manager: Mark Le Breaton
- QA Supervisor: Marlon Grant, Darius Sadeghian
- Localization Producer: Kuniyo Matsumoto
- Testers: Ben Andec, Lee Brown
- Director of European Marketing: Gary Knight
- Head Of Brand Marketing: Helen Nicholas
- Product Manager: Claire Brummell
- Executive Management: Hideki Okamura, Masanao Maeda, Yukio Sugino
- Executive Producer: Hisao Oguchi
COMOLINK Inc. (Mega Drive & Genesis, Game Gear Console Conversion Credits)
- Director: Hisatoku Yamada
- Technical Programmer: Junji Takahashi
- Music License Management: Fumitaka Shibata
- Special Thanks: Tatsuya Kousaki