Grand Theft Auto 3
Cheat Codes/Hints
'Piddle' on the street
Press: up, down, up, down, L2, R1, R2, R2, up, down, up, down, up - while playing the game.
All people hate you
While playing, press Down, Up, Left, Up, X, R1, R2, L1, L2.
All Weapons
While playing, press R2, R2, L1, R2, Left, Down, Right, Up, Left, Down, Right, Up
Blow up all cars
While playing, press L2, R2, L1, R1, L2, R2, Triangle, Square, Circle, Triangle, L2, L1
Change Outfit
Press: right, down, left, up, L1, L2, up, left, down, right - while playing the game.
Change outfit
While playing, press Right, Down, Left, Up, L1, L2, Up, Left, Down, Right.
Clear Weather
While playing, press L1, L2, R1, R2, R2, R1, L2, Triangle.
Crazy people
While playing, press R2, R1, Triangle, X, L2, L1, Up, Down.
Crazy People
Press: R2, R1, triangle, X, L2, L1, up, down - while playing the game.
Drive without traffic
Whenever you want to drive without the threat of traffic, just change the camera to be in the top-down view. Traffic will not spawn (save for police vehicles when you're wanted), allowing you to drive unimpeded.