LETTER 1 filename1.txt Room 4561 February 13, 2006 Mr. Robert A. Kotick Chief Executive Officer Activision, Inc. 3100 Ocean Park Blvd. Santa Monica, California 90405 Re: Activision, Inc. Form 10-K for the Fiscal Year Ended March 31, 2005 Filed June 9, 2005 Form 10-Q for the Fiscal Quarter Ended June 30, 2005 Filed August 4, 2005 File No. 1-15839 Dear Mr. Kotick, We have completed our review of your Form 10-K and related filings and have no further comments at this time. Sincerely, Brad Skinner Accounting Branch Chief