Activate the following cheats by entering the corresponding sequences of buttons at "Options" > "Cheats" > "Enter New Cheat":
R=Red, B=Blue, Y=Yellow, G=Green
CHEAT FUNCTION - CHEAT CODE
Air Instruments - RRBYGGGY
Always Drum Fill - RRRBBGGY
Always Slide - GGRRYRYB
Auto Kick - YGRBBBBR
Black Highway - YRGRGRRB
Extra Line 6 Tones - GRYBRYBG
Flame Color - GRGBRRYB
Gem Color - BRRGRGRY
Hyperspeed Mode - GBRYYRGG
Invisible Characters - GRYYYBBG
Metallica Costumes - GRYBBYRG
Performance Mode - YYBRBGRR
Star Color - RRYRBRRB
Vocal Fireball - RGGYBGYG
Unlock the following characters by performing the corresponding tasks:
CHARACTER - HOW TO UNLOCK
James Hetfield - Earn 100 stars in vocalist career.
James Hetfield Classic - Earn 150 stars in vocalist career.
James Hetfield Zombie - Earn 200 stars in vocalist career.
King Diamond - Beat the song "Evil" in any instrument career.
Kirk Hammett - Earn 100 stars in guitar career.
Kirk Hammett Classic - Earn 150 stars in guitar career.
Kirk Hammett Zombie - Earn 200 stars in guitar career.
Lars Ulrich - Earn 100 stars in drum career.
Lars Ulrich Classic - Earn 150 stars in drum career.
Lars Ulrich Zombie - Earn 200 stars in drum career.
Lemmy - Beat the song "Ace of Spades" in any instrument career mode.
Robert Trujillo - Earn 100 stars in bass career.
Robert Trujillo Classic - Earn 150 stars in bass career.
Robert Trujillo Zombie - Earn 200 stars in bass career.
Unlock three songs:
Complete "The Thing That Should Not Be" in career mode to unlock "Broken, Beat & Scarred", "Cyanide", "My Apocalypse".
Unlockable Bass Guitars:
Unlock the following bass guitars by performing the corresponding tasks:
BASS GUITAR - HOW TO UNLOCK
Klown bass - Get 45 stars on bass.
Mean Green bass - Get 25 stars on bass.
"Metallica" achievement hint:
To easily complete the game on Expert and get the 75 point "Metallica" achievement, you don't need to begina new game. Play through the career on any instrument and play all the songs you need to get enough stars to unlock the final song. Then, back out to the difficulty selection screen, select Expert, and play the last song to "complete" the Career on Expert.
2 X 4 - Earn a band hot streak with 4 players
Astronomy - Hit every star phrase in the song orion
Better Than You - Win an online pro face-off match
Black - Win an online battle match with the fade to black power up
Blackened - Create a new custom tattoo
Blitzkrieg - Win an online band v band match
Cure - Recover from a poor performance in quickplay or career
Damage Inc. - Perform as the drummer
Disposable Heroes - Create a new custom rocker
Eye of the Beholder - Create a new custom band logo
Fixxxer - Create a new custom instrument
Hero of the Day - Complete a song on expert + in quickplay or career
Invisible Kid - Perform as the bassist
James Hetfield - Complete the career as the vocalist
King Diamond - Rock out as king diamond
Kirk Hammett - Complete the career as the guitarist
Lars Ulrich - Complete the career as the drummer
Lemmy - Rock out as lemmy
Master of Puppets - Earn the highest individual score on a song in a band
Motorbreath - Perform as the vocalist
One - Complete a song with any instrument on hard or expert in local quickplay or career
Reload - Download a song from GHTunes
Ride the Lightning - All band members trigger star power simultaneously
Robert Trujillo - Complete the career as the bassist
Seek & Destroy - Play 20 online matches
Some Kind of Monster - Perform as the guitarist
Stone Dead Forever - Complete a song at the stone venue
The Four Horsemen - Complete a song with all band members on expert in quickplay or career
The House Jack Built - Complete a song in every in-the-round venue
The Memory Remains - View a metallifacts video
The More I See - Complete the tutorials
The Struggle Within - Complete a song in a band in quickplay or career
The Unforgiven - Win an online face-off match
The Unforgiven II - Win an online face-off match by 25,000 points or more
The Unforgiven III - Win an online pro face-off match by 25,000 points or more
Trapped Under Ice - Complete a song at the ice cave venue
Wherever I May Roam - Complete a song in every venue
Enter Sandman - Score 330,000 on the song Enter Sandman on guitar.
Battery - Score 1,000,000 on the song Battery as a band (4 players).
...And Justice for All - Earn 100 stars in band career or any single instrument career
Battery - Score 1,000,000 on the song battery with a 4 player band
Creeping Death - Score 575,000 on the song creeping death as the guitarist
Dyer's Eve - Score 450,000 on the song dyer's eve as the drummer
Enter Sandman - Score 330,000 on the song enter sandman on guitar
Fight Fire with Fire - Score 340,000 on the song fight fire with fire as the bassist
Green Hell - Drum every green note and finish the song blood and thunder with the rock meter in green
Metal Militia - 100% on a song with a 4 player band
Metallica - Complete any instrument career on expert
Nothing Else Matters - Complete the career in a 2-4 player band
Stone Cold Crazy - Score 65,000 on the song 'stone cold crazy' as the vocalist
The Ecstacy of Gold - Earn $15,000
Holier Than Thou - Complete all instrument careers.
Stone Cold Crazy - Score 65,000 on the song Stone Cold Crazy as the vocalist.
Platinum Artist - Earn all Bronze, Silver, and Gold trophies.