Freeze: Left, Right, Up, Up 
Hyperspace: Up, Up, Down, Down 
Invisibility: Down, Down, Up, Up,
Jump: Up, Up, Left 
Massive attack: Up, Down, Up, Down, Up 
Rear attack: Right, Left, Down, Down 
Rear freeze: Left, Right, Down, Down 
Rear massive attack: Up, Down, Up, Down, Down 
Shield: Up, Up, Right 

All CPU cars ignore each other and target humans  -  Enter Right, Triangle, Right, Triangle, L1 as a password. (Laughter confirms correct entry.) 
All power-ups are Homing Missiles  -  Enter R1, Right, Left, R1, Up as a password. (Laughter confirms correct entry.) 
All power-ups are Napalms  -  Enter Right, Left, R1, Right, Circle as a password. (Laughter confirms correct entry.) 
All power-ups are Power Missiles  -  Enter Down (x2), Circle, L1, Left as a password. (Laughter confirms correct entry.) 
All power-ups are Remote Bombs  -  Enter Up, Right, Down, L1, Triangle as a password. (Laughter confirms correct entry.) 

Beat Super Auger and Super Slam  -  When fighting Super Slam and Super Auger in the Oil Rig level: The easiest (not the fastest) way to defeat them is to wait on the helicopter's landing pad with plenty of freeze remotes and lay one on the edge. Then wait until either one of them try to ramp over to you and freeze them while they're in the air, and they fall to death. (Sometimes Super Auger can make it across so be careful.) 

CPU cars ignore health power-ups  -  Enter L1, Left, Right, Circle, Right as a password. (Laughter confirms correct entry.) 
Extra fast weapons  -  Enter R1, L1, Down, Start, Down as a password. (Laughter confirms correct entry.) 
Faster health regeneration  -  Enter Triangle, L1, Down, Triangle Up as a password. (Laughter confirms correct entry.) 
God mode  -  Enter Down, Left, L1, Left, Right as a password. (Laughter confirms correct entry.) 
Infinite ammo  -  This code allows you to have unlimited weapons, (laughing confirms the correct entry) to put the code in L1, R1, Up, Square, Circle. 

No health in all modes  -  Enter Down, R1, Down, Start as a password. (Laughter confirms correct entry.) 
No health in deathmatch mode  -  Enter Triangle, Down, Triangle, Circle, Triangle as a password. (Laughter confirms correct entry.) 
No health in tournament and deathmatch modes  -  Enter Down, R1, Down, Start, Circle as a password. (Laughter confirms correct entry.) 
No health or weapon power-ups  -  Enter Circle, Start, Left, L1, Start as a password. (Laughter confirms correct entry.) 
No pick-ups  -  Enter Circle, Start, Left, L1, Start as a password. (Laughter confirms correct entry.) 
One CPU ally VS two human opponents  -  Enter Down (x2), Right (x2), Down as a password. (Laughter confirms correct entry.) 

Level Passwords
1: Construction Yard (none)
2: Neon City Left, Triangle, Right (x2), Left
3: Road Rage Start (x2), Down, Circle, L1
4: Bedroom L1, Right, Left (x2), L1
5: Amazonia 3000 B.C. Circle, L1, Start, L1, Start 
6: The Oil Rig Start, Left, Up, Start, Circle
7: Minion’s Maze Start, R1, Left, R1 (x2)
8: The Carnival Circle, Left, Down, R1, L1

Play as Bosses...the hard way  -  Successfully complete the game once with any character to unlock all of the bosses including Crusher, Moon Buggy, Super Thumper R/C Car, Super Axel, Super Slamm, Super Auger, Minion and Sweet Tooth. (Defeat Sweet Tooth to view each character’s ending sequence.) 

Play as Crusher  -  Enter Down, R1, Right, R1, L1 as a password. (Laughter confirms correct entry.) 
Play as Minion  -  Enter Triangle, L1 (x2), Left, Up as a password. (Laughter confirms correct entry.) 
Play as Moon Buggy  -  Enter Start, Triangle, Right, L1, Start as a password. (Laughter confirms correct entry.) 
Play as R/C Car  -  Enter Up, Down, Left, Start, Right as a password. (Laughter confirms correct entry.) 
Play as Super Axel  -  Enter Up, Right, Down, Up, L1, as a password. Laughter confirms correct entry. 
Play as Super Slamm  -  Enter Right, L1, Start, Circle, Start as a password. (Laughter confirms correct entry.) 
Play as Super Thumper  -  Enter Circle, Triangle, Start, Circle, Left as a password. (Laughter confirms correct entry.)
Play as Sweet Tooth  -  Enter Start, R1, Right (x2), Left as a password. (Laughter confirms correct entry.) 
Powerful special weapons  -  Enter Up, Start, Circle, R1, Left as a password. (Laughter confirms correct entry.) 
Unlimited special weapons  -  Enter Triangle, L1, Down, Triangle, Up as a password. (Laughter confirms correct entry.) 
Very little traction  -  Enter Down, Triangle, Down, L1, R1 as a password. (Laughter confirms correct entry.)