Hodoo English is a multiplayer online game developed by NCSOFT that immerses children in a 3D world where they complete quests and interact with over 300 characters by speaking English. The game addresses the problem of "mute English" by providing a fun and engaging way for students to practice speaking English, complementing their reading and writing skills. Founded in 2018 and based in Seoul, South Korea, Hodoo English offers an innovative solution to help children learn English as a second language.