Default Controls
L1, Triangle, R2, L2, L2, R2, Circle, L1 

Control Method 2
Triangle, Circle, R2, L2, L2, R2, L1, Triangle 

Control Method 3
Triangle, R1, R2, L2, L2, R2, L1, Triangle

Handstand
When Lara is hanging from a ledge, hold the WALK button and press UP to do a handstand.

Level Skip
While playing, call up the inventory screen and press one of the following key sequences (depending on 
how you set your controls.) 

Default Controls
L2, R2, L1, Circle, Triangle, L1, R2, L2 

Control Method 2
L2, R2, Triangle, L1, Circle, Triangle, R2, L2 

Control Method 3
L2, R2, Triangle, L1, R1, Triangle, R2, L2

Unlimited Ammo
If you win the game and reload any saved level you'll have all weapons, unlimited ammo and more enemies 
to defeat.