Cheat menu:
     At the Options selection, hold L + R + Z + C-Up + C-Right.

Invincibility:
     Press C-Right, L, R, R, L. Then, hold C-Left + C-Down and press Z.

All parts:
     Hold  L + R and press Z. Let go, then press C-Down, C-Up, C-Left,
C-Right. Then, hold L + R and press Z.

All cars:
     Press C-Left, C-Left, C-Left, C-Up, C-Up, C-Up, C-Right, C-Right,
C-Right, C-Down, C-Down, C-Down. Hold L + R + C-Up + C-Left + C-Down +
C-Right and press Z.

Super speed:
     Press  Z. Hold L + R and press Z. Release the buttons, then press
C-Down.  Hold  L + R and press C-Down. Release the buttons, then press
C-Up, C-Up, C-Up.

Invisible car:
     Press C-Up, C-Down, C-Left, C-Right, L, R, Z.

Invisible track:
     Press  C-Right, C-Right. Hold L + R and press C-Left. Release the
buttons, then press C-Left, C-Left. Hold L + R and press C-Right.

Heavy car:
     Press R + C-Up, L + C-Down, R + C-Left, L + C-Right.

Change fog color:
     Hold  C-Up  + C-Right and press L. Release the buttons, then hold
C-Down  + C-Left and press R. Release the buttons, then press C-Right,
C-Left, C-Right, C-Left.

Super tires:
     Press Z, Z, Z, L, R, C-Up, C-Up, C-Left, C-Right, C-Down.

Brakes:
     Press  C-Down,  C-Down.  Hold  L  + R and press C-Up. Release the
buttons, then press C-Up, C-Up. Hold L + R and press C-Down.

Battle paint shop:
     Press  Z,  Z,  Z, C-Down, C-Down, C-Down, C-Left, C-Left, C-Left,
C-Right, C-Up, C-Left, C-Down.

Extra cars:
     Go  to the setup screen and press C-Left 28 times then C-Right 28
times and you will get 4 new cars (Limo, Airplane, Old car and UFO)


To unlock...              ...you have to 
Mission track             Beat the beginner track in third place or better 
Presidio track            Beat the intermediate track in third place or better
Gauntlet track            Beat the extreme track in third place or better 
Venom car                 Collect all silver coins in stunt mode 
Crusher car               Collect 16 gold coins in stunt mode 
Euro LX car               Collect 24 gold coins in stunt mode 
GX-2 car                  Collect half of the gold coins in stunt mode 
Disco track               Get 100,000 points in stunt mode 
Oasis track               Get 250,000 points in stunt mode 
Warehouse track           Get 500,000 points in stunt mode 
Obstacle course           Get 1,000,000 points in stunt mode 
Downtown battle arena     Get 100 kills in battle mode 
Plaza battle arena        Get 250 kills in battle mode 
Roadkill battle arena     Get 500 kills in battle mode 


Passwords:
Beginner:

1st Place on Circuit Race 4
WX17QQ6FDC
XBDWCLCTYC 

1st Place on Circuit Race 5
BYI7QQBHWC
YBFLD@CJFD 

1st Place on Circuit Race 6
WYI7QQLJ8C
3WJWDGD6%C 

1st Place on Circuit Race 7
BII7QQWK%C
@BMLFLD@MD 

1st Place on Circuit Race 8
WII7QQ6LLD
FXNWFWDQ2D 

Intermediate:

1st Place on Circuit Race 2 
XB@#T3LCGB
FWB6C2B42C 

1st Place on Circuit Race 3 
CC@#T36WDLB
LBCWFBCQ3C 

1st Place on Circuit Race 4 
XC@#T36FNB
VBD6GQC%2C 

1st Place on Circuit Race 5 
CD@#T3BHQB
YBFBJLDW9C 

1st Place on Circuit Race 6 
XD@#T3LJTB
5BG6K2DWQD 

1st Place on Circuit Race 7 
CF@#T3WKWB
%WJWL@DYMD 

1st Place on Circuit Race 8 
XF@#T36L2B
HCK6MLF6LD 

1st Place on Circuit Race 9 
CG@#t3BN4B
KXLWP@FW#D 

1st Place on Circuit Race 10 
XG@#T3LP6B
MCPLRLGQVD 

Extreme:

1st Place on Circuit Race 2
IWBBBWMCDB
KWDWBQBN2B 

1st Place on Circuit Race 3
FXBBBBYDJB
TBH6B6BTFC 

1st Place on Circuit Race 4 
IXBBBB8FLB
IWLLCGCBDC 

1st Place on Circuit Race 5 
FYBBBBDHQB
8BMBD6CGIC 

1st Place on Circuit Race 6 
IYBBBBNJTB
?WQ6DBD4WC 

1st Place on Circuit Race 7 
FIBBBWYKWB
CCWBGQDYFC 

1st Place on Circuit Race 8 
IIBBBW8L4B
JXILG2DNVC 

1st Place on Circuit Race 9 
F2BBBWDN6B
MC56GLFQXC 

1st Place on Circuit Race 10 
I2BBBWNP@B
QX8BH@FWDD 

1st Place on Circuit Race 11 
F3BBBWYQBC
RC%LJLGJFD 

1st Place on Circuit Race 12 
I3BBBW8RDC
WXCXKWGLDD 

1st Place on Circuit Race 13 
F4BBBWDVJC
5CD7L@GTCD 

1st Place on Circuit Race 14 
I4BBBWNWNC
@XHXMBHG#C 

1st Place on Circuit Race 15 
F5BBBWYXYC
?CM7M2HLTD 

1st Place on Circuit Race 16 
I5BBBW8YYC
GYMXNWJBFD 

1st Place on Circuit Race 17 
F6BBBWD24C
HDRMPGK63C 

1st Place on Circuit Race 18 
I6BBBWN3@C
NYW7PLKYWC 

1st Place on Circuit Race 19 
F7BBBWY4BD
VDYCQGLNGC 

1st Place on Circuit Race 20 
I7BBBW85JD
XY3MQ6LN3C