CheatCodes.com has the complete list of all Rock Band Metal Track Pack Achievements and Gamerscores for X360, including all secret Achievements. All official X360 achievements for Rock Band Metal Track Pack as of Friday December 19, 2014 are shown below, or you can print out our Printable Achievements Checklist that shows all Rock Band Metal Track Pack Achievements and Gamerscores in a simple quick-reference format.
Complete "Killed by Death" on Expert without a band member failing
5-star "Red Devil" as a Vocalist in Solo Tour
5 star "Master of the Universe" with any instrument on Expert
Complete "Transmaniacon MC" as a full band, with all band members on Hard or Expert
Play "Screaming for Vengeance" in a Score Duel
Hit 100% as a Bassist on "Closer," up-strums only
Score 100% as a Vocalist playing "Forever"
Get 4 stars or better playing "3s and 7s" with a full band
Finish "Thrasher" as an Expert Drummer
Complete Band Tour on Medium difficulty or greater
Play "D.O.A.", "Laid to Rest," and "Hair of the Dog" in Solo Tour
5-Star "Blinded by Fear" on any instrument... with your eyes closed