Infinite Rail/Lip balance: straightedge
Unlock Natas Kaupas: oldskool
Unlock Nigel Beaverhausen: Sellout
Unlock Paulie: 4-wheeler

Characters

Complete Boston Story Mode: Ben Franklin
Complete Barcelona Story Mode: Bull Fighter
Complete Berlin in Story: Graffiti Tagger
Complete classic mode on sick: Jesse James
Complete Story on Easy: Shrek
Complete Story on Easy: Space Monkey 1
Complete Story on Easy: Phil Margera
Complete Story on Easy: Geeky Kid.
Complete New Orleans in Story: Jester
Complete classic mode on Sick: Natas Kaupas
Complete Story on Sick: Nigel
Complete Story on Normal: Paulie
Complete Story on Easy: Pedestrian Group A
Complete Story on Normal: Pedestrian Group B
Complete Story on Sick: Pedestrian Group C
Complete Classic Mode on Normal: Pedestrian Group D
Complete Classic Mode on Sick: Pedestrian Group E
Complete Story with 100%: Pedestrian Group F
Complete Story on Normal: The Hand
Complete Story on Normal: Lost Soul 1
Complete Story on Normal: Sea Captain
Complete Classic Mode with 100%: Pedestrian Group G
Complete Story on Easy: Phil Margera
Complete Story: Pro Skater Level
Complete Skatopia in Story: Ryan Sheckler
Complete Australia in story mode: Shrimp Vendor
Complete classic mode on Normal: Steve-O
Complete story mode on Normal: The Hand
Complete Story on Sick: Call of Duty Soldier
Complete Story on Sick: Nigel Beaverhausen
Complete classic mode on Normal: Original Tony Hawk

Movies

Complete Story mode: World Destruction Tour Movie
Complete all gaps on all 15 levels: Cheat Codes Movie
Complete classic mode: Pro Bails 1 Movie
Complete Story with 100%: Pro Bails 2 Movie
Complete Classic Mode with 100%: Neversoft Skates Movie

Cheats
Beat all levels in classic mode and then clear every gap in the fifteen levels. Cheats appear in game options

Star Wars Kid
In the Boston level, ollie through the glass windows on the building one or two to the left of the one where Ben Franklin is hiding. This puts you in a room with a TV on the wall. Stand in front of the TV and the star wars kid will get up and start yelling. Press B and he will show you his skills

Blow up Construction Site
This is a hint 2 blow up a house on the Boston level. First set your board on fire, (there is fire on the right of the cannons) go to the cannons and grind the string on each one. It should show a video of a house blowing up.

Star Wars Kid Redux
The Star Wars Kid makes a second appearance in the final Classic level, Triangle. Grind the helicopter missiles in order to bust open two holes in the side of the mountain. There are three sets of windows showing aliens doing a variety of things including watching the Star Wars Kid demonstrate his ridiculous dance.