Destroy 15 cameras

Collect a dog tag

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

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

Lure a guard with a girlie magazine

Send Otacon a picture of the marine with no pants

Put an enemy in a locker

Find Emma Emmerich

Learn the location of the president

Tranquilize 100 enemies

Break the neck of 30 enemies

Befriend Olga Gurlukovich

Beat 30 enemies unconscious

Complete a VR or Alternative mission

Hear Johnny's bowel noises in two locations

Shoot 10 enemy radios

Kiss a poster in a locker

Kill 5 enemies with pipe steam

Get the bandana

Get the brown wig

Get the Tanker stealth suit

Get the Plant stealth suit

Get the orange wig

Watch Rose kill Raiden on a rooftop

Get caught by Otacon stimulating yourself

Meet President James Johnson

Learn how to defuse C4 bombs from Peter Stillman

Acquire the digital camera

Meet Revolver

Attain grip level 3

Defeat Olga Gurlukovich

Destroy the AV-88 Harrier II

Defeat Fatman

Defeat Metal Gear RAY

Defeat Solidus Snake

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

Defeat Vamp

Complete Boss Survival

Collect all boxes

Place first in 50 different VR/Alternative missions

Complete all Snake Tales

Clear the game without entering alert mode (not including events where alert mode is mandatory)

Collect all dog tags in the Plant chapter to obtain the Blue Wig

Complete all VR and Alternative missions

Beat the Tanker and Plant chapters on any difficulty