Sonic X-treme

Production credits

So the Sonic Retro page for X-treme contains a list of developers who worked on the game, but no proper production credits or listed roles. HOWEVER, the information can still be found by searching a bit. So until we find actual production credits, here is the list from the Retro page:

List of developers

Sonic Mars (Sega 32X)

• In Summer 1995, after Michael Kosaka leaves, the team consists of one concept artist, one designer, and two programmers.

• Director: Roger Hector
• Producer: Mike Wallis
• Lead Designer: Michael Kosaka
• Lead Designer: Christian Senn
• Lead Programmer: Don Goddard
• Programmers: Chris Ebert, Toshiyasu Morita
• Art Director: Don Goddard
• Artist: Jeremy Cantor
• 3D Modeler: Ross Harris
• Writers: Michael Kosaka, Christian Senn, Don Goddard

Sonic X-treme (Sega Saturn/nVidia)

• In Fall 1995, the team roughly consists of 9-10 artists & animators, 4 programmers, 3 designers, 1 sound guy, Mike Wallis, and 1 executive producer.

• Chris Ebert (Programmer)
• Christian Senn (Artist)
• Dean Lester (Executive Producer?, some technical/programming work?)
• Don Goddard (Lead Programmer, Writer)
• Fei Cheng
• Mark Kupper
• Mike Wallis (Producer?)
• Ofer Alon
• Richard Wheeler
• Robert Morgan (Programmer)
• Roger Hector (Director?)
• Toshi Morita (Programmer)
• Christina Coffin (Programmer: engines+bosses)
• Manny Granillo (Producer/Executive Producer?)
• Ross Harris (3D Modeler)
• Tony Dezuniga
• Alan Ackerman
• Andy Probert
• Betty Cunningham
• Dave Sanner
• Dean Ruggles (Artist/Animator and/or Art Director)
• Jason Kuo (Coordinator/Supervisor?, some Producer work?)
• Robert Steele
• Stieg Hedlund (Artist, some Designer work?)
• Aoki Kunitake
• Howard Drossin (Composer, Sound Designer)
• Hirokazu Yasuhara (Stage Designer, more?)

Sonic X-treme (Sega Saturn/PC)

Source: New Worlds demo

• Art: Christian Senn
• Design: Christian Senn
• Sonic/Rings: Ross Harris
• Code: Ofer Alon