Completion bonuses
Successfully complete the game on the easy or higher difficulty setting to unlock Gallery 1 and the Cabal guns
Successfully complete the game on the normal difficulty setting to unlock the 50 Desert Eagle and the hard difficulty setting
Successfully complete the game on the hard difficulty setting to unlock the Molotov cocktail and the expert difficulty setting
Successfully complete the game on the expert difficulty setting to unlock the rocket launcher
Successfully complete instant action mode on the normal difficulty setting to unlock extra adrenaline
Shoot through walls
Ive only noticed this in one place and its when you are chasing Steve Houstown When your chasing him look for metal fences that are taller then you and have a building that in beside it go up to it and hold R1 and you may or may not target an enemy thats on the other side of the building around the corner If the target is green orange or red Start shooting only if the target is one of those colors and it will actually hit the enemy and kill him if you keep shooting
Unlock Cabal Gun and Gallery 1
Complete the game on hard difficulty