© 2007 Sierra Entertainment, Inc. All rights reserved. Empire Earth, Sierra and the Sierra logo are registered trademarks or trademarks of Sierra Entertainment, Inc. in the U.S. and/or other countries. Mad Doc Software, Mad Doc®, the Mad Doc flask, and the Mad Doc logo are either registered trademarks or trademarks of Mad Doc Software, LLC. All rights reserved. Portions of this software are included under license. © 2007 Mad Doc Software, LLC. GameSpy and the “Powered by GameSpy” design are trademarks of GameSpy Industries, Inc. The NVIDIA logo and “The Way It’s Meant to be Played” logo are registered trademarks or trademarks of NVIDIA Corporation in the United States and/or other countries. Microsoft, Windows, the Windows Vista Start button are trademarks of the Microsoft group of companies, and 'Games for Windows' and the Windows Vista Start button logo are used under license from Microsoft. XPS is a registered trademark of Dell Inc. The ratings icon is a registered trademark of the Entertainment Software Association. All other trademarks are property of their respective owners.