Exhibit 8.1

List of Subsidiaries of the Registrant

• Changyou.com (HK) Limited, incorporated in Hong Kong.

• ICE Entertainment (HK) Limited, incorporated in Hong Kong.

• Beijing AmazGame Age Internet Technology Co., Ltd., incorporated in the PRC.

• Beijing Changyou Gamespace Software Technology Co., Ltd., incorporated in the PRC.

• ICE Information Technology (Shanghai) Co., Ltd, incorporated in the PRC.

• Beijing Yang Fan Jing He Information Consulting Co., Ltd, incorporated in the PRC.

• Shanghai Jingmao Culture Communication Co., Ltd, incorporated in the PRC.

• Beijing Jingmao Film &Culture Communication Co., Ltd., incorporated in the PRC.

• Shanghai Hejin Data Consulting Co., Ltd., incorporated in the PRC.

• Changyou.com (US), Inc., incorporated in the United States.

• Changyou.com (UK) Co., Ltd., incorporated in the United Kingdom.

• Changyou My Sdn. Bhd, incorporated in Malaysia.

• Changyou.com Korea Limited, incorporated in South Korea.

• Changyou.com Gamepower (HK) Limited, incorporated in Hong Kong.

• Changyou.com Webgames (HK) Limited, incorporated in Hong Kong.

• Kylie Enterprises Limited, incorporated in British Virgin Islands.

• Changyou.com India Private Limited, incorporated in India.

• CHANGYOU BİLİŞİM HİZMETLERİ TİCARET LİMİTED ŞİRKETİ, incorporated in Turkey.

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