Unlock the Japan bonus track:
The following tricks can be completed on any course track.
First, disable the CPU opponents.
On the first ramp, perform an easy trick (Square, Triangle)
On the 2nd ramp, increase your speed, then perform a medium trick
(Square, Circle, Triangle)
On the 3rd ramp, perform another medium trick.
Finally on the 4th ramp, perform a hard trick
(Square, X, Triangle, Circle) and finish the race.
Difficulty - Trick - Code
Skateboard
Easy difficulty - Grabs board - Square, Triangle
Medium 1 difficulty - Kickflip - Square, O, Triangle
Medium 2 difficulty - Heelflip - Square, O, Triangle
Hard difficulty - Front flip - Square, X, Triangle, O
Special difficulty - 360 spin - Triangle, X, Square, O
Snowboard
Easy difficulty - Grabs board - Square, Triangle
Medium 1 difficulty - Another grab - Square, O, Triangle
Medium 2 difficulty - 360 spin - Square, O, Triangle
Hard difficulty - Rodeo flip - Square, X, Triangle, O
Special 1 difficulty - Front flip - Triangle, Square, X, O
Special 2 difficulty - ? - Triangle, O, X, Square or
Square, Triangle, O, X
Mountain bike
Easy difficulty - Split - Square, Triangle
Medium 1 difficulty - 360 spin - Square, O, Triangle
Medium 2 difficulty - Back flip - Square, O, Triangle
Hard difficulty - Tail-whip - Square, X, Triangle, O
Special 1 difficulty - Tabletop - X, Square, Triangle, O
Special 2 difficulty - Dismount - X, O, Square, Triangle
In-Line Skates
Easy difficulty - ? - Square, Triangle
Medium 1 difficulty - Air Unity - Square, O, Triangle
Medium 2 difficulty - Split - Square, O, Triangle
Hard difficulty - 360 spin - Square, X, Triangle, O
Special 1 difficulty - Front flip - O, Square, X, Triangle
Special 2 difficulty - ? - X, Triangle, O, Square
