Thirteenth Step is the second studio album by American rock band A Perfect Circle, released under Compact Disc format on September 16, 2003. It was a major success reaching the number 2 position on the Billboard 200 in its premiere week, selling over 231,000 copies and staying on the charts for 78 weeks. The RIAA certified it as gold on November 4, 2003 and as platinum on March 24, 2006. The first single from the album was "Weak and Powerless", followed by "The Outsider" and "Blue". The tracks have their remixed versions on a 2004 remix album aMOTION. Thirteenth Step has since been released on vinyl record format.