Tomb Raider - Legend - Platform: Sony PSP

Cheat mode:
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Complete the indicated task to unlock the corresponding cheat. 
When a task has been completed, a message with the code will appear. 
Cheats cannot be enabled until they are first unlocked in this manner:

Bulletproof Lara
Complete England with a time less than 27:00 in Time Trial mode. 
While playing the game, hold L and press X, R, Triangle, R, Square, R. 
If you entered the code correctly, you will hear a sound.

Draw enemy health
Complete Bolivia with a time less than 12:30 in Time Trial mode. 
While playing the game, hold L and press Square, Circle, X, R(2), 
Triangle. If you entered the code correctly, you will hear a sound.

Unlimited assault rifle ammunition
Complete Japan with a time less than 12:15 in Time Trial mode. 
While playing the game, hold L and press X, Circle, X, R, Square, Triangle. 
If you entered the code correctly, you will hear a sound.

Unlimited shotgun ammunition
Complete Ghana with a time less than 20:00 in Time Trial mode. 
While playing the game, hold L and press R, Circle, Square, R, Square, X. 
If you entered the code correctly, you will hear a sound.

Unlimited SMG ammunition
Complete Peru with a time less than 21:30 in Time Trial mode. 
While playing the game, hold L and press Circle, Triangle, R(2), X, Circle. 
If you entered the code correctly, you will hear a sound.

Unlimited grenade launcher ammunition
Complete Kazakhstan with a time less than 27:10 in Time Trial mode. 
While playing the game, hold L and press R, Triangle, R, Circle, R, Square. 
If you entered the code correctly, you will hear a sound.

One shot kill
Complete Bolivia Redux with a time less than 4:15 in Time Trial mode. 
While playing the game, hold L and press Triangle, X, Triangle, Square, 
R, Circle. If you entered the code correctly, you will hear a sound.

Wield Excalibur
Complete Nepal with a time less than 13:40 in Time Trial mode. 
While playing the game, hold L and press Triangle, X, Circle, R, 
Triangle, R. If you entered the code correctly, you will hear a sound.

No textures
Complete the game. While playing the game, hold L and press R, X, 
Circle, X, Triangle, R. If you entered the code correctly, you will 
hear a sound.

Textureless Mode
Press and hold L, Then press: R, X, O, X, Triangle, R.

Silver Gallery
Complete Bolivia, Croft Manor and Fiery Maze on the Easy setting in 
Treasure Hunt mode.

Biker, Brown Jacket Outfit
Complete Bolivia on the Medium setting in Treasure Hunt mode.