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

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

• 7Road.com Limited, incorporated in the Cayman Islands.

• 7Road.com HK Limited, incorporated in Hong Kong.

• Shenzhen 7Road Network Technologies Co., Ltd., incorporated in the PRC.

• Glory Loop Limited, incorporated in British Virgin Islands.

• MoboTap Inc., incorporated in Cayman Islands.

• MoboTap Inc. Limited, incorporated in Hong Kong.

• Baina Zhiyuan (Beijing) Technology Co., Ltd., incorporated in the PRC.