EXHIBIT 21 PRINCIPAL SUBSIDIARIES OF THE REGISTRANT State or Other Jurisdiction of Incorporation or Name of subsidiary Organization - ----------------------------------------------- ----------------------------- Activision Australia Pty Ltd. Australia Activision B.V. Netherlands Activision Deutschland GmbH Germany Activision GmbH Germany Activision Illinois, Inc. Illinois Activision New York, Inc. New York Activision Productions, Inc. Delaware Activision Texas, Inc. Texas Activision U.K. Ltd. United Kingdom CD Contact Data GmbH Germany CD Contact Data BV Netherlands CentreSoft Limited United Kingdom CentreSoft France SARL France Combined Distribution (Holdings) Ltd. United Kingdom Contact Data Belgium N.V. Belgium The Disc Company International, Inc. U.S. Virgin Islands ES International, Inc. U.S. Virgin Islands Expert Software, Inc. Delaware Head Games Publishing, Inc. Minnesota Jotaphoenicis Beteiligungs GmbH Germany Kappaphoenicis Beteiligungs GmbH Germany NBG EDV Handels und Verlags GmbH & Co. KG Germany PDQ Ltd. United Kingdom Raven Software Corporation Wisconsin Swfte International, Ltd. Delaware Target Software Vertriebs GmbH Germany TDC Group, Inc. Delaware Ton-Und Studiotechnick GmbH Germany F-25