Glossary

“we,” “us,” “our company”, “Changyou” and “our”

refer to Changyou.com Limited, and unless the context requires otherwise, include its subsidiaries and variable interest entities.

“Sohu.com Inc.”

refers to our ultimate parent and controlling shareholder, whose shares of common stock are listed on the Nasdaq Global Select Market under the symbol “SOHU”;

“Sohu” or “Sohu Group”

refers to Sohu.com Inc. and its subsidiaries and consolidated variable interest entities and, unless the context requires otherwise, excludes Changyou.com Limited and its subsidiaries and variable interest entities;

“PC games”

refers to interactive online games that may be accessed and played simultaneously by hundreds of thousands of game players through personal computers with local game client-end access software installation requirements. In previous annual reports, we have sometimes used the terms “MMOGs” and “MMORPGs” when referring to these client-end installed games played through personal computers;

“MMOGs”

refers to massively multiplayer online games, which may be played through personal computers or on mobile devices;

“MMORPGs”

refers to massively multiplayer online role-playing games. MMORPGs are a subset of MMOGs;

“Web games”

are online games that are played through a Web browser with no local game software installation requirements;

“Mobile games”

are online games that are played on mobile devices and require an Internet connection.

“Tian Long Ba Bu”

refers to the popular novel of that name by the famous Chinese writer Louis Cha, from whom we have obtained an exclusive license to develop and operate PC games and mobile games based on the title and characters of that novel;

“TLBB”

refers to the PC game developed based on the title and characters of Tian Long Ba Bu;

“TLBB 3D”

refers to the mobile game developed based on the title and characters of Tian Long Ba Bu;

“ADSs”

refers to our American depositary shares, each of which represents two Class A ordinary shares, par value $0.01 per share;

“China” or “PRC”

refers to the People’s Republic of China, and for the purpose of this annual report, excludes Hong Kong, Macau and Taiwan.