Beatmania IIDX 14: Gold (stylized as beatmania IIDX14: GOLD) is the 14th game in the beatmania IIDX series of music video games. It was released in arcades by Konami on February 21, 2007. The game features over 45 new songs, some of which are unlocked over Konami's e-Amusement platform. The game instituted another hardware change for IIDX, now running on more powerful hardware using Windows XP Embedded as its operating system. The user interface features a predominantly metallic appearance, with gold and silver accents throughout.