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