At the cheats menu, enter the following codes using the guitar controller to activate the corresponding cheats:
CHEAT FUNCTION - CHEAT CODE
All characters - BLUE, BLUE, GREEN, GREEN, RED, GREEN, RED, YELLOW
Always Slide - GREEN, GREEN, RED, RED, YELLOW, BLUE, YELLOW, BLUE
Auto kick - YELLOW, GREEN, RED, BLUE, BLUE, BLUE, BLUE, RED
Air instruments - RED, RED, BLUE, YELLOW, GREEN, GREEN, GREEN, YELLOW
All hammer-ons and pull-offs - GREEN, GREEN, BLUE, GREEN, GREEN, GREEN, YELLOW, GREEN
Contest winner 1 - GREEN, GREEN, RED, RED, YELLOW, RED, YELLOW, BLUE
Focus mode - YELLOW, GREEN, RED, GREEN, YELLOW, BLUE, GREEN, GREEN
Clean screen mode - GREEN, RED, GREEN, GREEN, YELLOW, GREEN, GREEN, GREEN
Invisible characters - GREEN, RED, YELLOW, YELLOW, YELLOW, BLUE, BLUE, GREEN
Performance mode - YELLOW, YELLOW, BLUE, RED, BLUE, GREEN, RED, RED
Unlock the following cheat modes by performing the following tasks:
MODE - HOW TO UNLOCK
Auto-kick(Automatically plays kick drum) - Hit 200 non-cymbal notes on "Mirror People" in the Angel's Crypt venue
Focus Mode(Black background for note "highway") - Hit 265 tom notes on "Brainstorm" in The Golden Gate venue as a drummer to unlock Focus mode at the "Extras" menu.
Hud-Free Mode(removes display) - Get an "Excellent" on 75 consecutive phrases in "Bring The Noise 20XX" as a vocalist in the Neon Oasis venue to unlock Hud-Free mode at the "Extras" menu.
Performance Mode (Removes track and display) - Get a band multiplier using 2 or more players for 42 seconds on "Bleed American" in the Aqueduct venue to unlock Performance mode at the "Extras" menu.
All HOPOs cheat - Whammy sustain notes on "Hurts So Good" for 25 seconds at the Club Boson venue as a guitarist. When activated, almost all notes will be changed into a hammer-on/pull-off note.
All Slider Gems cheat - Hit 230 tap notes on "Du Hast" at the Neon Oasis venue as a guitarist. When activated, all single notes are changed into slider/tap notes.
Air Instruments mode in "Extras" menu - Strum 340 chords on "Sultans of Swing" at the O'Connel's Corner venue as a guitarist. In this mode, instruments will be almost invisible, however the guitar strings will still be seen.
Unlock the following characters by completing the corresponding songs:
CHARACTER - HOW TO UNLOCK
Carlos Santana - Complete "No One To Depend On (Live)"
Johnny Cash - Complete "Ring of Fire"
Kurt Cobain - Complete "Smells Like Teen Spirit"
Matt Bellamy - Complete "Plug in Baby"
Shirley Manson - Complete "I'm Only Happy When It Rains"
Skeleton - Beat the Platinum or Diamond drum challenge for "Brianstorm".
The Golden God - Beat the Platinum or Diamond challenge for The God Of Rock's Final Challenge.
Shadow - Get a 600 note streak on "Lust For Life (Live)" in Career mode.
FrankenRocker - Complete the Diamond challenge on A-Punk on bass in Career mode.
Unlock alternate costumes for the following characters by performing the corresponding tasks:
COSTUME - HOW TO UNLOCK
Axel Steel's Battle Scar outfit - Beat Medicate Challenge
Axel Steel's Hog Wild outfit - Beat Send a Little Love Token Challenge
Axel Steel's Shoulder Blades outfit - Beat Sympathy for the Devil Challenge
Casey Lynch's Flying Trapeze outfit - Beat Superstition Challenge
Casey Lynch's Monochrome Maiden outfit - Beat So Lonely Challenge
Casey Lynch's Sharpshooter outfit - Beat In My Place Challenge
Clive Winston's Deer Scout outfit - Beat Sneak Out Challenge
Clive Winston's Persuader outfit - Beat Blue Orchid Challenge
Clive Winston's Sugar Daddy outfit - Beat Shout It Out Loud Challenge
Eddie Knox's Casual Wednesday outfit - Beat Gamma Ray Challenge
Eddie Knox's Crusier outfit - Beat Make It wit Chu Challenge
Eddie Knox's Suede Spade outfit - Beat Six Days a Week Challenge
Izzy Sparks's Impresario outfit - Beat Feel Good Inc. Challenge
Izzy Sparks's Sideshow outfit - Beat Scatterbrain Challenge
Izzy Sparks's Stiki outfit - Beat Jailbreak Challenge
Johnny Napalm's 1976 outfit - Beat Judith Challenge
Johnny Napalm's Generation Zzyzx outfit - Beat Looks That Kill Challenge
Johnny Napalm's Suburban Snot outfit - Beat Fame Challenge
Judy Nails's Big Knee Pin outfit - Beat Gratitude Challenge
Judy Nails's Mall Chic outfit - Beat Runnin' Down a Dream Challenge
Judy Nails's The Riot Starts Here outfit - Beat You Give Love a Bad Name Challenge
Lars Umlaut's Grendel outfit - Beat All Along the Watchtower Challenge
Lars Umlaut's Soldier of Farce outfit - Beat In the Meantime Challenge
Lars Umlaut's Valhalla outfit - Beat We're an American Band Challenge
Pandora's Gretel outfit - Beat Steady, As She Goes Challenge
Pandora's State of Fluxus outfit - Beat Back Round Challenge
Pandora's Strapped outfit - Beat L.A. Challenge
To unlock the Wormhole venue in Quickplay mode, get a 4X multiplier for 50 seconds on "Play That Funky Music" as a guitarist in the Sideshow venue.
To enable Hyperspeed, go "Quickplay" > "Options" > "Extras" and toggle it on.
Nirvana easter egg:
Play the song "Smells Like Teen Spirit" and look at the bassist. Notice he is wearing the same outfit Kurt Cobain wore in the music video for "Smells Like Teen Spirit". Also, the drummer bears a strong resemblance to Dave Grohl (the then drummer for Nirvana).
Above And Beyond - Complete a song with an average individual multiplier above 4x.
All Four Bass Are Belong to Us - Play a song with 4 Bass Guitarists.
Barbershop - Play a song with 4 Vocalists.
Box Set - Complete 100 songs in Quickplay.
Challenge of the Supergroup - Complete 5 band challenges at Gold or better.
Chanteuse - 5 Star 'Ex-Girlfriend', 'Send A Little Love Token' and 'Only Happy When It Rains' as a Vocalist.
Crowd Pleaser - Fill your Rock Meter all the way.
Drumline - Play a song with 4 Drummers.
Explore the Studio Space - Read 5 Tooltips in GHMix.
Fest Quartet Quest - Play 10 4-Player RockFest Mode games of any type.
Iron Lungs - Complete a 25-phrase streak as a Vocalist.
The Fabricated Four - Create 4 rockers of your own and play a song with them locally in Career or Quickplay.
No Mistakes Allowed - Streak through the entirety of a song in Quickplay or Career.
Ménage à Huit - Play an online match with 8 players, all on the same instrument.
Outgoing - Complete 25 Pro Face Off matches online (Win or Lose).
Play It To The Bone - Make and complete a setlist which is at least 1 hour long.
Producer - Create a music studio song.
Rising Star - Collect 101 Stars in Career.
Rocktopus - Make a standard 8-player Band v Band match online, win or lose.
Score Big - Earn 500,000 points in a single song as a solo act.
Score Bigger - Earn 1,000,000 points in a single song as a solo act or band.
Senior Commander - Earn 5 or more Stars on a song in Career or Quickplay.
Shooting Star - Collect 303 Stars in Career.
Customizer - Create a custom instrument.
Our Powers Combined - As a 4 player standard band, all 4 players activate Star Power simultaneously.
String Quartet - Play a song with 4 Lead Guitarists.
Representative - Complete a sponsor gig challenge at Diamond level.
Synchronized - Complete 20 Band Moments.
The Streak - Complete a 1001 note streak.
What's an LP? - Complete 14 songs in Quickplay.
You Want More? - Play 5 encore gigs.
Young Star - Collect 25 Stars in Career.
What's New? - Complete any tutorial's lesson on a new feature.
Did You Finish Like We Did? - Get 95% of the way through 'Do You Feel Like We Do? (Live)'.
Over 9000! - Earn over 9000 points in a single Star Power deployment.
Starstruck - Meet all of the celebrity guests.
Crank It Up To 11 - Achieve a maxed out band multiplier as a standard band.
Going Diamond - Complete 50 of the challenges at Diamond.
Going Gold - Complete 50 of the challenges at Gold or better.
Going Platinum - Complete 50 of the challenges at Platinum or better.
Juke Box - Complete 300 songs in Quickplay.
Quadruple Threat - Complete at least one challenge for every instrument at Gold level or better.
Sampler Plate - Play at least one song in Quickplay, Career and each Competitive game type.
Score Biggest - Earn 3,000,000 points in a single song as a band.
Super Star - Collect 505 Stars in Career.
The Grand Tour - Unlock every venue in the world, and then some.
The Traditional - Complete Career Mode.
Open Minded - Complete each on-disc song at least once (Career, Competitive, or Quickplay).
Star Cluster - Collect 808 Stars in Career.
Platinum Trophy - Earn all Bronze, Silver and Gold trophies.