Faster vehicles:
Press A, B, L, A(2), R, B at the title screen.
Alternate vehicles:
Press A(2), B, A, L, R, A, B, L at the title screen.
Slower opponents:
Press A, R, L, B, A(2), B, L at the title screen.
All tracks:
Press B, L, B, A, R, B(2), A(2) at the title screen.
Password screen:
Press L, R, Start, R, L, Select at the machine selection screen in Grand Prix
mode.
In-game reset:
Press Select + Start + A + B during game play.
Demonstration mode:
Press Select at the title screen.
When you win all of the tracks or have unlocked all ten cars, more
demonstration cars and modes will become available. The "Wind Walker" is quite
amusing.
Delete saved games:
Hold L + R and turn on the Game Boy Advance. Select "Yes" at the prompt to
delete your game saves.
Obtain ranking password:
Select "Ranking" at the main menu. Select the desired series, game, and course.
Then, hold L and press Up, Right(2), B, Left, B, Right, A at the course ranking
screen. The course name at the top of the screen will be replaced with a
password to confirm correct code entry. This password is used by Nintendo to
confirm your course rank in their contests.
Sly Joker:
Win the Pawn, Knight and Bishop tracks under the standard difficulty setting.
Falcon Mk.II:
Win any set of tracks under the master difficulty setting.
Fighting Comet:
Win the Pawn, Knight, Bishop and Queen tracks under the master difficulty
setting.
Silence: Open C:
Complete a linked game with another Game Boy Advance using only one game
cartridge.
Silver Thunder:
Win the Queen tracks under the expert difficulty setting. Alternately, win any
set of tracks under the master difficulty setting.
Stingray:
Win the Pawn, Knight and Bishop tracks under the expert difficulty setting.
Alternately, win all the tracks under the expert difficulty setting.
Jet Vermilion:
Go to Nintendo Of Japan and enter your name exactly, and press "Confirm". You
should get a password which will allow you to get the top secret car Jet
Vermilion. Enter that password in your game to unlock the car.
At the name entry screen, select "Entry". Then enter T&T as a name. Start a
game under that name. When you reach the machine selection screen in Grand
Prix mode, enable the "Password screen" code and enter V-J4+6V9A-30 as a
password.
At the name entry screen, select "Entry". Then enter YAZZO JR. as a name
(including the space). Start a game under that name. When you reach the
machine selection screen in Grand Prix mode, enable the "Password screen" code
and enter 2-8+o8T2YQ30 as a password.
Alternately, enter H-M2XLT8A-30 or 3-KLY9V8?-30 as a password. Then, press Up
at the vehicle selection screen.
You can unlock Jet Vermilion normally by using one of two methods. One is to
unlock all other cars and completing championship mode 255 times. The other
to complete every series on Master Class with all other racers.
Master difficulty setting:
Win the Pawn, Knight, or Bishop series under expert difficulty level in grand
prix mode to unlock the master difficulty for that series.
Queen circuit:
Win the Pawn, Knight, and Bishop circuits under the expert difficulty setting.
