official legal info from the sonic unleashed game box:
LICENSED BY NINTENDO, Made in USA.
SEGA®, Sonic Team™, Havok®, CRIWARE™, DOLBY PRO LOGIC II®. "© SEGA, SEGA is registered in the U.S. Patent and Trademark Office. SEGA, the SEGA logo, the SONIC TEAM logo and SONIC UNLEASHED are either registered trademarks or trademarks of SEGA Corporation. All rights reserved. SONIC UNLEASHED™ uses Havok®. © Copyright 1999-2008 Havok.com Inc. (and its Licensors). All rights reserved. See www.havok.com for details. Development tools and related technology provided under license from CRI Middleware, Inc. All rights reserved. Nintendo Wii and the Official Seal are trademarks of Nintendo. © 2007 Nintendo."
sonic archive site legal:
any sort of copyright infringement is unattended. the video guide and picture e-guide is just for promotion of the game from sonic fansite: www.sonicarchive.webs.com /or to be a resource guide for fans . we are no way affiliated with any of the makers/owners (ie: SEGA, SONIC TEAM, Havok, DOLBY, or havok / Nintendo) of the game, SONIC UNLEASHED. we also do not own anything related to the game/development. all credit goes to their respected owners mentioned in the legals.