Insert the passwords on the left exactly as shown into the in-game cheats menu for the desired result...
AintFallin - Unlocks perfect rail / no bails
BeefedUp - Unlocks full statistics
Booyah - Unlocks super check
CRAZYBONEMAN - Unlocks skater Boneman
Dapper - Unlocks skater Spence
Flyaway - Unlocks skater Eric
FOREVERNAILED - Unlocks 100% branch completion
GiveMeStuff - Unlocks CAS items
INGONNABUILD - Unlocks all rig pieces
INTERGALACTIC - Unlocks skater MCA
LAIDBACKLOUNGE - Unlocks all lounge themes
LetsGoSkate - Unlocks all decks
LooksSmelly - Unlocks skater Rube
LOTSOFTRICKS - Unlocks all available specials
MagicMan - Unlocks skating with no board
MoreMilk - Unlocks skater Bosco
Movers - Unlocks skater Shayne
Myopic - Unlocks unlimited focus
NeedsHelp - Unlocks fifty skill points
NotACamera - Unlocks skater Cam
NotADude - Unlocks skater Mel
OverTheTop - Unlocks fun items
Piledriver - Unlocks skater El Patinador
PutEmOnTop - Unlocks all video editor overlays
Rabbies - Unlocks skater Mad Dog
Shaker - Unlocks skater TV Producer
Sketchy - Unlocks skater Eddie X
STILLAINTFALLIN - Unlocks perfect manual
SUPERSLASHIN - Unlocks unlimited slash grind
SweetStuff - Unlocks all lounge bling items
TheCoop - Unlocks skater Cooper
TheIndoorPark - Unlocks Air and Space Museum
THELOCALPARK - Unlocks Lansdowne
TheMissing - Unlocks the invisible man
ThePrezPark - Unlocks FDR Skatepark
TinyTater - Unlocks the small skater
Trippy - Unlocks all video editor effects
WatchThis - Unlocks all in-game movies