Metal Gear Solid: Peace Walker

In-Game T-Shirts:
In Title Screen, go to Extras > Network > Enter Passcode to enter the following codes.
You also need Playstation Network account.

Code                Effect
2000016038415       Black T-Shirt with White Peace Walker Logo
2000016032574       Gray T-Shirt with MSF Logo
2000016032338       Gray T-Shirt with Snake Art at the Back
2000016035902       Olive T-Shirt with Snake Art

 