Cheat Code List
Description: Enter the following codes at the Cheats Menu with your guitar controller for the desired effect.

Air Instruments	RED, RED, BLUE, YELLOW, GREEN, GREEN, GREEN, YELLOW
Always Drum Fill	RED, RED, RED, BLUE, BLUE, GREEN, GREEN, YELLOW
Always Slide	GREEN, GREEN, RED, RED, YELLOW, RED, YELLOW, BLUE
Auto Kick	YELLOW, GREEN, RED, BLUE, BLUE, BLUE, BLUE, RED
Black Highway	YELLOW, RED, GREEN, RED, GREEN, RED, RED, BLUE
Flame Color	GREEN, RED, GREEN, BLUE, RED, RED, YELLOW, BLUE
Gem Color	BLUE, RED, RED, GREEN, RED, GREEN, RED, YELLOW
Hyperspeed (all instruments)	GREEN, BLUE, RED, YELLOW, YELLOW, RED, GREEN, GREEN
Invisible Rocker	GREEN, RED, YELLOW, YELLOW, YELLOW, BLUE, BLUE, GREEN
Performance Mode	YELLOW, YELLOW, BLUE, RED, BLUE, GREEN, RED RED
Star Color	RED, RED, YELLOW, RED, BLUE, RED, RED, BLUE
Vocal Fireball	RED, GREEN, GREEN, YELLOW, BLUE, GREEN, YELLOW, GREEN
Additional Line 6 effects (Music Studio)	GREEN, RED, YELLOW, BLUE, RED, YELLOW, BLUE, GREEN

Additional Songs
How to unlock: Beat "The Thing That Should Not Be" in Career Mode to unlock three songs: "Broken, Beat & Scarred", "Cyanide", and "My Apocalypse."

Characters
Description: Perform the actions [listed below in table] to unlock the following characters:

Kirk Hammett	Get 100 stars in Guitar Career
James Hetfield	Get 100 stars in Vocalist Career
Lars Ulrich	Get 100 stars in Drum Career
Robert Trujillo	Get 100 stars in Bass Career
King Diamond	Beat King Diamond's "Evil"

Additional Costumes/Outfits
Description: Classic (80s) costumes/outfits and Zombie costumes/outfits can be unlocked by winning stars for specific instruments.

Classic James	150 Stars Vocals
Classic Lars	150 Stars Drums
Classic Kirk	150 Stars Guitar
Classic Robert	150 Stars Bass
Zombie James	200 Stars Vocals
Zombie Lars	200 Stars Drums
Zombie Kirk	200 Stars Guitar
Zombie Robert	200 Stars Bass

Lemmy
Description: Unlock Lemmy of Motorhead

How to unlock: Beat Ace of Spades in career mode.

Metallica Costumes/Outfits
In the cheat menu, enter this code to unlock the Metallica Costumes:

Green, Red, Yellow, Blue, Blue, Yellow, Red, Green

PS2 Cheats for Guitar Hero: Metallica

Guitar Hero: Metallica cheat codes

Guitar Hero: Metallica cheats