Here is the full list of all 51 METAL GEAR SOLID 2: Sons of Liberty - there are Master Collection Version achievements.
Break the neck of 30 enemies
Complete at least one of the Snake Tales
Place first in 50 different VR/Alternative missions
Earn the title of Big Boss
Kiss a poster in a locker
Attain grip level 3
Get the Plant stealth suit
Read all the pages in the Screenplay Book
Get the infinity wig
Destroy 5 cameras
Send Otacon a picture of the marine with no pants
Watch Rose kill Raiden on a rooftop
Watch something in the Casting Theater
Complete Boss Survival
Clear the game without entering Alert Mode (not including events where Alert Mode is mandatory)
Hear Johnny's bowel noises in two locations
Get sea lice all over your rations
Tranquilize 100 enemies
Beat 30 enemies unconscious
Get the Tanker stealth suit
Down an enemy with steam from a pipe
Collect every type of weapon on the Tanker
Disorient an enemy with a cloud of smoke from a fire extinguisher
Take a clear photograph of the ghost image in Hold No. 2
Get the bandana
Put an enemy in a locker
Get caught by Otacon stimulating yourself
Hold up 30 enemies
Clear the game without killing anyone
Complete a VR or Alternative mission
Beat the Tanker and Plant chapters on any difficulty
Catch a glimpse of Vamp standing in the streets of New York during the end cinematic
Defeat Solidus Snake
Defeat Metal Gear RAY
Collect every type of weapon in the Plant
Befriend Olga Gurlukovich
Acquire the digital camera
Find Emma Emmerich
Defeat Vamp
Meet President James Johnson
Destroy the AV-88 Harrier II
Learn the location of the president
Collect all boxes
Defeat Fatman
Survive Fortune's attack
Lure a guard with a girlie magazine
Shoot an enemy radio
Learn how to defuse C4 bombs from Peter Stillman
Meet Revolver Ocelot
Collect a dog tag
Defeat Olga Gurlukovich