He was later employed by Valve Corporation, the developers of Half-Life, and worked for 8 years in Korea on the multiplayer first-person shooter Tactical Intervention.
后来他受雇于《半条命》的开发商威尔乌，在韩国工作8年，开发多人第一人称射击游戏《战术干预（英语：Tactical Intervention）》。