Get Stealth & Bandanna:
Finish the tanker missions 3 different times using 3 different difficulty settings on the same save file

Get Stealth & Wig:
Finish the plant missions 3 different times using 3 different difficulty settings on the same save file

Get Ninja Raiden:
Finish 50% of the VR Missions as Raiden

Get Pliskin:
Finish 50% of the VR Missions as Snake

Get Raiden X:
Finish 100% of the VR Missions as Raiden & ninja Raiden

Get Tuxedo Snake:
Finish 100% of the VR Missions as Pliskin

Get Boss Survival Mode:
Finish Sons of Liberty using any difficulty setting

Get European Extreme Difficulty:
Finish the game using normal difficulty setting

Get Sunglasses for Snake & Raiden:
Finish the game two times

Get Casting Theatre Option:
Finish Sons of Liberty using any difficulty setting

Get Metal gear Solid 1 Snake:
Finish 100% of missions using Pliskin, Snake, Tuxedo Snake, Raiden X, Raiden & Ninja Raiden

Title Screen Fun:
Press WHITE to hear a gunshot & press Right Analog stick to change colors

Get Digital Camera:
Finish the game one time and start a new game. The digital camera is locate in Strut E Shell 1. Go to the bottom of the screen and locate the platform with three red lights on it. Climb up onto it and equip the Z.O.E. Box. When the conveyor stops, press Action to climb on. You will be taken to another room. Press Action again to get off and retrieve the Digital Camera. Exit the room in the same fashion.