Here is the full list of all 50 Metal Gear Solid: Peace Walker HD achievements worth 1,000 gamerscore.
Recruited Hideo Kojima.
Cleared Prologue: An Army Without Borders.
Captured a mech.
Clear every achievement.
Clear Chapter 1: A Country Without An Army.
Clear Chapter 2: The Phantom Hero.
Clear Chapter 3: A Nation Reborn.
Clear Chapter 4: The Illusion of Peace.
Clear Chapter 5: Outer Heaven.
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.
Reach 50 or more game overs.
Roll 100 times or more in a single mission.
Reach 300 or more Fulton recoveries.
Reach at least 100 hold-ups.
Reach at least 100 kills.
Reach at least 100 stun attacks.
Obtain every costume.
Assemble all special staff members.
Obtain Infinity Bandana.
Obtain stealth camouflage.
Hear a ghost on the radio.
Read all of Paz's diary.
Read Huey's love letter.
Read all of Strangelove's memoirs.
Clear all hunting quests.
Perform CQC six times in a row.
Throw a chaff grenade at ZEKE (single player only).
Perform a Leap of Faith and obtain the Assassin's Straw Box.
Shoot enemy right in the middle of the rear end.
Put on a cardboard box.
Attack enemy soldiers by blowing up an oil drum or truck (single player only).
Complete Metal Gear ZEKE.
Customize ZEKE's head parts and foot parts with special AI weapon parts.
Carry out a mission in OUTER OPS.
Clear "Capture the Enemy Base 06" in OUTER OPS using only soldiers.
Carry out a trade.
Exchange items back and forth with another player using Delivery.
Obtain Rank S on a date with Paz.
Obtain Rank S on a date with Kaz.
Nicely cook a ration.
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.
Fire a human sling shot.
Throw a Peace Walker together with three other people.