Quick Pick
On some missions where you have to get passed a door you need your lock pick but it takes hours so start to pick then go to your menu and when you go back its done.
Get the M4
To get the M4 you must complete all the St.Petersburg missions, including and up to "Invitation to a party", and recieve a Silent Assasin rating, each time, at the end.
Invincibility
Press R2, L2, Up, Down, X, R2, L2, R1 and L1 at the main menu to unlock invincibility.
Megaforce mode
R2, L2, Up, Down, X, R2, R2.
Slow Motion
While playing, press: R2, L2, Up, Down, X, Up, L2.
Get Sawed Off Shotgun
Get a Silent Assassin Rank in any 2 missions.
Level cheat
At the main menu, press: R2, L2, Up, Down, square, triangle, circle.
All weapons
While playing, press: R2, L2, Up, Down, X, Up, Square, X.
Lethal charge
While playing, press: R2, L2, Up, Down, X, Up, Up.
Full heal
While playing, press: R2, L2, Up, Down, X, Up, Down.
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