Guitar Hero: Metallica is based on the full band experience of World Tour while offering similar features on Metallica's history and music as found in Guitar Hero: Aerosmith.[60] In addition, Metallica's album, Death Magnetic, was available as downloadable content for Guitar Hero III simultaneously with the release of the album, with the content being forward-compatible with Guitar Hero World Tour and Guitar Hero: Metallica. Since the PlayStation 2 version does not support downloading, three extra songs were included from Death Magnetic and are as follows: "Broken, Beat, and Scarred", "Cyanide", and "My Apocalypse".[60][61] A new feature in the game, where the drummer can access a mode called Expert+, has also been added.