Grand Theft Auto - Chinatown Wars - Platform: Sony PSP

Cheat mode:
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Enter one of the following codes while playing the game and outside of a 
safehouse. If you entered the code correctly, you will hear a sound. Note: 
Enabling codes disables the autosave feature.

-Extra armor 
While playing the game, press L(2), R, X(2), Circle(2), R.

-Extra health and armor 
While playing the game, press L(2), R, Circle(2), X(2), R. Note: Enabling this 
code while in a vehicle will also repair all of its damage.

-Weapon tier 1 
While playing the game, press R, Up, X, Down, Left, R, X, Right to unlock the 
minigun, nightstick, Desert Eagle pistol, stubby assault rifle, mini SMG, 
stubby shotgun, and grenades.

-Weapon tier 2 
While playing the game, press R, Up, Circle, Down, Left, R, Circle, Right to 
unlock the mini flamethrower, taser, dual Desert Eagle pistols, assault rifle, 
SMG, double barrel shotgun, and Molotov cocktails.

-Weapon tier 3 
While playing the game, press R, Up, Square, Down, Left, R, Square, Right to 
unlock the big flamethrower, chainsaw, revolver, assault rifle, SMG, double 
barrel shotgun, and proximity mines.

-Weapon tier 4 
While playing the game, press R, Up, Triangle, Down, Left, R, Triangle, Right 
to unlock the rocket launcher, stubby assault rifle, baseball bat, Desert 
Eagle pistol, mini SMG, stubby shotgun, and flashbang grenades.

-Explosive pistol rounds 
While playing the game, press L, R, Triangle, Square, Circle, X, Up, Down. 
Repeat the code to disable its effect.

-Increase wanted level 
While playing the game, press L(2), R, Square(2), Triangle(2), R.

-Decrease wanted level 
While playing the game, press R, Triangle(2), Square(2), R, L(2). Note: This 
code only decreases the wanted level by one star and must be repeated until it 
is completely removed.

-Sunny weather 
While playing the game, press Up, Down, Left, Right, Circle, X, L, R.

-Very sunny weather 
While playing the game, press Up, Down, Left, Right, X, Triangle, L, R.

-Cloudy weather 
While playing the game, press Up, Down, Left, Right, Triangle, Square, L, R.

-Rainy weather 
While playing the game, press Up, Down, Left, Right, Square, Circle, L, R.

-Thunderstorm weather 
While playing the game, press Up, Down, Left, Right, Circle, Triangle, R, L.

-Hurricane weather 
While playing the game, press Up, Down, Left, Right, X, Square, R, L.

-Foggy weather 
While playing the game, press Up, Down, Left, Right, Square, X, R, L.


Xin missions:
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Successfully complete the indicated task to unlock the corresponding mission:

"Xin's Of The Father" mission: Successfully complete the "Deadly Xin" mission 
 and have no wanted level.


Regenerating health:
-------------------- 
Successfully complete both noodle delivery missions with a "Gold" rank.


Better body armor:
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Successfully complete all five Vigilante mission levels with a 100% kill rate.


Immunity to fire:
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Successfully complete the Firefighter missions with a "Gold" rank.


Ammu-nation store discount:
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Earn Gold medals on all weapons at the gun club.


Upgraded delivery bag:
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Successfully complete both mail courier missions with a "Gold" rank.


Infinite sprint:
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Successfully complete all five Paramedic missions with 100% lives saved.


Bulletproof taxis:
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Drop off fifteen consecutive passengers without the timer running out. Then, all 
taxis that you enter will be bulletproof.


Gold medal for weapons:
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Get a score of 10,000 or more for a weapon to get a Gold medal for it.