（C）2004 Id Software, Inc. All rights reserved. Distributed by Activision Publishing, Inc. under license. DOOM and id are registered trademarks of Id Software, Inc. in the U.S. Patent and Trademark Office and in some other countries. Activision is a registered trademark of Activision, Inc. and its affiliates. The ratings icon is a registered trademark of the Interactive Digital Software Association. All other trademarks and trade names are the properties of their respective owners.

（C）2004 Id Software, Inc. All rights reserved. Distributed by Aspyr Media, Inc. under license. DOOM and ID are registered trademarks of Id Software, Inc. in the U.S. Patent and Trademark Office and/or some other countries. The ratings icon is a registered trademark of the Entertainment Software Association. The Aspyr logo is a registered trademark of Aspyr Media, Inc. Mac and the Mac logo are trademarks of Apple Computer, Inc.,registered in the U.S. and other countries. All other trademarks and trade names are the properties of their respective owners.