Here is the full list of all 50 Metal Gear Solid: Peace Walker HD achievements worth 1,000 gamerscore.
Read all of Strangelove's memoirs.
Cleared Chapter 5: Outer Heaven.
Threw a chaff grenade at ZEKE (single player only).
Nicely cooked a ration.
Completed Metal Gear ZEKE.
Listened to radio near ghost.
Assembled all special staff members.
Obtained Rank S on a date with Paz.
Reached 50 or more game overs.
Attacked enemy soldiers by blowing up an oil drum or truck (single player only).
Reached 300 or more Fulton recoveries.
Cleared Chapter 4: The Illusion of Peace.
Defeated Pupa, Chrysalis, Cocoon, Peace Walker.
Reached at least 100 kills.
Cleared Chapter 3: A Nation Reborn.
Reached at least 100 hold-ups to incapacitate the enemy.
Performed a Leap of Faith.
Cleared Chapter 2: The Phantom Hero.
Exchanged items back and forth with another player using Delivery.
Shot enemy right in the middle of the rear end.
Read Huey's love letter.
Carried out a mission in OUTER OPS.
Cleared Chapter 1: A Country Without An Army.
Recruited Hideo Kojima.
Reached at least 100 stun attacks or sleep-inducing attacks.
Captured a mech.
Put on a cardboard box.
Cleared Prologue: An Army Without Borders.
Clear every achievement.
Clear all MAIN OPS missions at Rank A or higher.
Clear all MAIN OPS missions at Rank S.
Clear all EXTRA OPS missions.
Clear all EXTRA OPS missions at Rank A or higher.
Clear all EXTRA OPS missions at Rank S.
Clear all MAIN OPS and EXTRA OPS missions at Rank S.
Roll 100 times or more in a single mission.
Obtain every costume.
Obtain Infinity Bandana.
Obtain stealth camouflage.
Read all of Paz's diary.
Clear all hunting quests.
Perform CQC six times in a row.
Customize ZEKE's head parts and foot parts with special AI weapon parts.
Clear "Capture the Enemy Base 06" in OUTER OPS using only soldiers.
Carry out a trade.
Obtain Rank S on a date with Kaz.
Play using all of the rules in VERSUS OPS.
Reach a total of 20,000 or more Affinity Points.
Collect a soldier using a divine wind.
Throw a Peace Walker together with three other people.