[SCHEDULE 13G (Amendment No. 1)* CHANGYOU.COM LIMITED (Name of Issuer) Class A Ordinary Shares, par value $0.01 per share (Title of Class of Securities) 15911M107** (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) [ ] Rule 13d-1(b) [ X ] Rule 13d-1(c) [ ] Rule ]