The9 has been quite eager to release a new expansion for the MMORPG MU Online. The9 licensed MU from Webzen of Korea and launched it in China last February 2003. The9 will open the trial servers for the expansion on April 12 to 20 while account registration will start on April 7 till April 9. You can register Here. Remember that the registration site is in Chinese.The9 has been quite eager to release a new expansion for the MMORPG MU Online. The9 licensed MU from Webzen of Korea and launched it in China last February 2003. The9 will open the trial servers for the expansion on April 12 to 20 while account registration will start on April 7 till April 9. You can register Here. Remember that the registration site is in Chinese.