Exhibit 21

INTERNATIONAL GAME TECHNOLOGY SUBSIDIARIES

At September 30, 2010

Name Jurisdiction of Incorporation

IGT Nevada

WagerWorks, Inc. Delaware

I.G.T. (Australia) Pty. Limited Australia

IGT - Europe B.V. The Netherlands

I.G.T. - Argentina S.A. Argentina

IGT - Iceland Ltd. Iceland

International Game Technology – Africa (Pty) Ltd. South Africa

IGT - UK  Group Limited England & Wales

IGT ASIA – MACAU, LDA. Macau

IGT – Canada Inc. Canada

IGT - Mexicana de Juegos, S. de R.L. de C.V. Servicios Corporativos y de Administracion, S. de R.L. de C.V. Mexico Mexico

IGT-China, Inc. Delaware

IGT-Latvia SIA Latvia

IGT Asia Pte. Ltd Singapore

IGT Asiatic Development Limited British Virgin Islands