Level select:
Quickly press Y, Right(2), B, Down, Y at the "Press Start" screen. Note: This code does not unlock all levels in road trip mode; only in free ride, session, and multi-player.

Boston level in road trip mode:
Quickly press Y, Up, Down(2), Up, Y at the "Press Start" screen.

Chicago level in road trip mode:
Quickly press Y, Up, B, Up, B, Y at the "Press Start" screen.

Las Vegas level in road trip mode:
Quickly press Y, R, Left, L, Right, Y at the "Press Start" screen.

Los Angeles level in road trip mode:
Quickly press Y, Left, B(2), Left, Y at the "Press Start" screen.

New Orleans level in road trip mode:
Quickly press Y, Down, Right, Up, Left, Y at the "Press Start" screen.

Portland level in road trip mode:
Quickly press Y, A(2), B(2), Y at the "Press Start" screen.

Play as Day Smith:
Quickly press B, Up, Down, Up, Down, Y at the "Press Start" screen.

Play as Vanessa:
Quickly press B, Down, Left(2), Down, Y at the "Press Start" screen.

Play as Big Foot:
Quickly press B, Right, Up, Right, Up, Y at the "Press Start" screen.

Play as The Mime:
Quickly press B, Left, Right, Left, Right, Left at the "Press Start" screen. Alternately, find all of the gaps in the game.

Play as Volcano:
Quickly press B, Up(2), A, Up(2), A at the "Press Start" screen.

Elvis costume:
Quickly press X, L(2), Up(2) at the "Press Start" screen.

BMX costume:
Quickly press X, B, Left, Right, Left, X at the "Press Start" screen.

Tiki Battle mode:
Quickly press L(2), Down, R, A, L at the "Press Start" screen.

Big Foot's FMV sequences:
Quickly press R, Up, Down, Left, A(3), R at the "Press Start" screen.

Cory Nastazio's FMV sequences:
Quickly press R, Y, X(2), Y(3), R at the "Press Start" screen.

Day Smith's FMV sequences:
Quickly press R, X, Left(2), Y, Right(2), R at the "Press Start" screen.

Joe Kowalski's FMV sequences:
Quickly press R, Up, A, B, Down, R at the "Press Start" screen.

Kevin Robinson's FMV sequences:
Quickly press R, A, B, Down, Up, R at the "Press Start" screen.

Mat Hoffman's FMV sequences:
Quickly press R, Left, X, Left, X, Left, R at the "Press Start" screen.

Mike Escamilla's FMV sequences:
Quickly press R, X, A(2), X, A(2), R at the "Press Start" screen.

Nate Wessel's FMV sequences:
Quickly press R, Down, B, X, Down, B, X, R at the "Press Start" screen.

Ruben Alcantara's FMV sequences:
Quickly press R, Left, Right, Left, Right, Left, Right, R at the "Press Start" screen.

Rick Thorne's FMV sequences:
Quickly press R, L, Right, R, Left, R at the "Press Start" screen.

Seth Kimbrough's FMV sequences:
Quickly press R, Up, Up, X(3), R at the "Press Start" screen.

Simon Tabron's FMV sequences:
Quickly press R, L(2), R, L(2), R at the "Press Start" screen.

All music tracks:
Quickly press L, Left(2), Right(3), A(2) at the "Press Start" screen.

Hint: Tiki Park: Prop challenge:
Instead of doing an Adrenaline trick for the prop challenges, do a Bridge Manual.