Grand Theft Auto: Liberty City Stories

While playing a game, press:
(you will see a message if done correctly)

L, R, Triangle, L, R, Circle, L, R                 - receive $250,000
Square, Square, R, X, X, L, Circle, Circle         - Aggressive drivers
L, Up, Left, R, Triangle, Circle, Down, X          - Better handling vehicles
Down, Down, Down, Circle, Circle, X, L, R          - Big head mode
Circle, Circle, R1, Triangle, L1, Square, Square   - Black traffic
Circle, Right, X, Up, Right, X, L1, Square         - Change moto tire size
Triangle, R1, L1, Down, Down, R1, R1, Triangle     - Chrome traffic
Up, Down, Circle, Up, Down, Square, L, R           - Clear weather
L, L, Left, L, L, Right, X, Square                 - Destroy all cars
Circle, X, Down, Circle, X, Up, L, L               - Drive on water
L, R, Circle, L, R, X, L, R                        - Extra armor
L, L, Left, L, L, Right, Circle, X                 - Faster game time
R, R, L, R, R, L, Down, X                          - Faster gameplay
L, R, X, L, R, Square, L, R                        - Full health
L, L, R, L, L, R, Up, Triangle                     - Pedestrians attack you
Down, Down, Down, Triangle, Triangle, Circle, L, R - Pedestrians follow you
R, R, L, R, R, L, Right, Circle                    - Pedestrians have weapons
L, L, R, L, L, R, Left, Square                     - Pedestrians riot
L, L, Left, L, L, Right, Square, Triangle          - Random pedestrian costumes
R, Triangle, X, R, Square, Circle, Left, Right     - Slower gameplay
L, L, Left, L, L, Right, Triangle, Circle          - Spawn Rhino
Triangle, Circle, Down, Triangle, Circle, Up, L1, L1  - Spawn Trashmaster
Triangle, Triangle, R, Square, Square, L, X, X        - Green traffic lights
L, R, L, R, Up, Down, L, R                            - View game credits
L, L, Triangle, R, R, X, Square, Circle               - Wanted level disabled
L, R, Square, L, R, Triangle, L, R                    - Increased wanted level
Up, Square, Square, Down, Left, Square, Square, Right - Weapons (tier 1)
Up, Circle, Circle, Down, Left, Circle, Circle, Right - Weapons (tier 2)
Up, X, X, Down, Left, X, X, Right                     - Weapons (tier 3)

Run longer:
Instead of holding X to run, repeatedly tap it.

No money loss when busted:
Successfully complete the Avenging Angels missions on Staunton Island.

Exceed garage limit:
Get a motorcycle and park it against the garage door.
Jump off, and after the garage door opens, quickly press Triangle
to get back on and press X to drive it in before the door closes again.
With a car, keep pushing it towards the garage door until it opens,
then keep pushing it until it is inside.

 