Sudden Attack (Korean: 서든어택) is a free-to-play multiplayer first-person shooter online game developed by the South Korean company GameHi (Currently known as NEXON GT) and taken over by Nexon. On December 2, 2013, Nexon America C.E.O. Min Kim announced plans to discontinue Sudden Attack North America service. Nexon America terminated Sudden Attack on January 29, 2014.