Beatmania IIDX 13: Distorted (stylized as beatmania IIDX13: DistorteD) is the 13th game in the beatmania IIDX series of music video games. It was released in arcades by Konami on March 15, 2006. The game features a total of 55 new songs, some of which are unlocked over Konami's e-Amusement platform. Distorted's interface is a refresh of Happy Sky's interface, but using a monotone color scheme with orange wireframe patterns in menu backgrounds.