On September 30, 2011, Sudden Attack'''s Taiwanese publisher, Gamon, announced it would not renew its contract with Nexon to operate the game in Taiwan. A Few months later, Gamania, which had published many of Nexon's games including Counter-Strike Online, obtained the rights.
Nexon's Taiwanese partner, Gamon, decided not to continue their partnership on September 30, 2011, for Sudden Attack. Shortly after, Gamania, which had handled many of Nexon's games, including Counter-Strike Online, took over the rights.