Collect all trophies

Beat the Tanker and Plant chapters on any difficulty

Put an enemy in a locker

Lure a guard with a girlie magazine

Collect a dog tag

Destroy 5 cameras

Disorient an enemy with a cloud of smoke from a fire extinguisher

Shoot an enemy radio

Down an enemy with steam from a pipe

Kiss a poster in a locker

Get caught by Otacon stimulating yourself

Take a clear photograph of the ghost image in Hold No. 2

Send Otacon a picture of the marine with no pants

Find a sea louse in your rations

Hear Johnny's bowel noises in two locations

Catch a glimpse of Vamp standing in the streets of New York during the end cinematic

Watch Rose kill Raiden on a rooftop

Hold up 30 enemies

Tranquilize 100 enemies

Break the neck of 30 enemies

Beat 30 enemies unconscious

Attain grip level 3

Acquire the digital camera

Collect every type of weapon on the Tanker

Collect every type of weapon in the Plant

Collect all boxes

Watch something in the Casting Theater

Complete Boss Survival

Complete all Snake Tales

Complete a VR or Alternative mission

Place first in 50 different VR/Alternative missions

Get the bandana

Get the Tanker stealth suit

Obtain the Infinity Wig

Get the Plant stealth suit

Clear the game without killing anyone

Clear the game without entering Alert Mode (not including events where Alert Mode is mandatory)

Earn the title of Big Boss

Read all the pages in the story compendium