EXHIBIT 99.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Acres Gaming Incorporated (the "COMPANY") on Form 10-K for the year ended June 30, 2002, as filed with the Securities and Exchange Commission on the date hereof (the "FORM 10-K"), I, Patrick W. Cavanaugh, Senior Vice President, Chief Financial Officer and Treasurer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: (1) The Form 10-K fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and (2) The information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Company. Dated: September 30, 2002 /s/ Patrick W. Cavanaugh ------------------------------------ Patrick W. Cavanaugh Senior Vice President, Chief Financial Officer and Treasurer 6