Girls' Generation's second studio album, "Oh!", was released in January 2010. The album peaked atop South Korea's Gaon Album Chart and has sold over 234,500 copies in South Korea as of 2014. The album's title track peaked atop South Korea's Gaon Digital Chart and was the second best-selling digital single of 2010 in the country, selling over 3.3 million copies. "Oh!" was re-released under the title "Run Devil Run" in March 2010, which also reached number one on the Gaon Album Chart. Its titular single reached the top spot on the Gaon Digital Chart. "Oh!" and "Run Devil Run" were the second and fourth best-selling albums of 2010, respectively.