There are many tracks that appear in the game but are considered as the "Unofficial." It is unknown why they are said to be, because they were created for the game, for example in the Blue Lagoon or Ethan's duplex, or even the "For Love" trailer.
Unofficial
BEAT STREET - Tim Garland
EUPHORIC ASCENSION - Matt Hill
DUBWAH - Terry Devine-King
BROADCAST NEWS - Paul Mottram
INFILTRATION - Barrie Gledden, Ed Collins
ONE MORE TIME - Barrie Gledden, Peter Shand
POKER FACE - Matt Hill
DRILLER THRILLER - Matt Hill
UNDERGROUND - Gareth Johnson
COME CLOSER - Barrie Gledden, Richard Lacy, Sulene Fleming, Richard Kimmings
BUMPKIN PIE - Barrie Gledden, Richard Kimmings
HEADLESS HORSEMAN - Oliver Ledbury
BE IN THE GROOVE - Igor Dvorkin, Duncan Pittock
FUNKIN BHANGRA - David O'Brien, Kevin Browne, Johnny Lithium
MENTAL FUNDAMENTAL - David O'Brien, Johnny Lithium
BLADE - Bob Bradley
THE HOARDS DESCEND - Debbie Wiseman
TUNE ARMY - Barrie Gledden
CHEMICAL IMBALANCE - Barrie Gleddon, Steve Dymond, Jason Fedder
EASY NOW - Barrie Gledden, Tim Rolly, Jason Fedder
JUST GETTING BY - Gareth Johnson
WOW - Gareth Johnson
SUBURBAN COWBOY - Darren Leigh Purkiss
OVER & OVER - Bob Bradley, Sarah Wassal
BIGGEST FAN - Igor Dvorkin, Sulene Flemming, Duncan Pittock, Ellie Kidd
MARS - Terry Devine-King
NERVES - Gareth Johnson
ROADHOUSE - Gareth Johnson
SLOW - Barrie Gledden, Sulene Flemming, Richard Kimmings
TAKE OFF - Gareth Johnson
DISSOLVE THE SUN - Gareth Johnson
ONE MORE NIGHT - Gareth Johnson
GOT THE CREAM - Gareth Johnson, Kevin Browne
ROBOTIC NEUROTIC - Tom Quick
JEALOUS MINDS - Tim Devine, Peter Masitti
OUT OF CONTROL - Barrie Gledden, Jason Fedder, Steve Dymond, Sulene Flemming
ARE YOU READY - Barrie Gledden, Steve Dymond, Jason Fedder
A FEELING OF POWER - Barrie Gledden, Steve Dymond, Jason Fedder
BREATHE EASY - Igor Dvorkin, Dean Bayley, Adrian Francis, Francesca Belmonte
IT'S TOO LATE NOW - Igor Dvorkin, Sulene Flemming, Duncan Pittock
SHATTER - Bob Bradley, Nick McEnnally
EVOLUTION - Bob Bradley, Paul Mottram
FALLING BACKWARDS - Nick Kershaw
BINARY FUNK - David O'Brien
PEAKS - Bob Bradley
From this list, some songs were played in the following chapters:
Prologue[]
Ethan Mars' Living Room (Stereo)
NERVES – Gareth Johnson
Ethan vs. Jason
HEADLESS HORSEMAN – Oliver Ledbury
The Mall[]
PR System (music around the mall)
BREATHE EASY – Igor Dvorkin, Dean Bayley, Audrian Francis, Francesca Belmonte
JEALOUS MINDS – Tim Devine, Peter Masitti
IT'S TOO LATE NOW – Igor Dvorkin, Sulene Flemming, Duncan Pittock
TEKN Store (Electronics Store)
Unknown – fast Techno Beat-like Music with Synths
Father and Son[]
Ethan's Room (Stereo)
EVOLUTION – Bob Bradley, Paul Mottram
Sleepless Night[]
Madison's Living Room (Stereo)
PEAKS – Bob Bradley
Kramer's Party[]
SUBURBAN COWBOY – Darren Leigh Purkiss
POKER FACE – Matt Hill
BLADE – Bob Bradley
UNDERGROUND – Gareth Johnson
MENTAL FUNDAMENTAL – David O'Brien, Johnny Lithium
DISSOLVE THE SUN – Gareth Johnson
Sexy Girl[]
Blue Lagoon
DRILLER THRILLER – Matt Hill
A FEELING OF POWER – Barrie Gledden, Steve Dymond, Jason Fedder
ONE MORE TIME – Barrie Gledden, Peter Shand
ARE YOU READY – Barrie Gledden, Steve Dymond, Jason Fedder
SLOW – Barrie Gledden, Sulene Flemming, Richard Kimmings