Here is the full list of all 50 Metal Gear Solid: Peace Walker HD Edition trophies - there are 39 bronze, 8 silver, 2 gold and 1 platinum.
Obtained every trophy.
Reached a total of 20,000 or more Camaraderie.
Collected a soldier using a divine wind.
Obtained every costume.
Cleared all MAIN OPS and EXTRA OPS missions at Rank S.
Cleared all MAIN OPS missions at Rank S.
Cleared all MAIN OPS missions at Rank A or higher.
Cleared all EXTRA OPS missions at Rank S.
Cleared all EXTRA OPS missions at Rank A or higher.
Cleared all EXTRA OPS missions.
Acquired stealth camouflage. Never worry about being detected ever again.
Customized ZEKE's head parts and foot parts with special AI weapon parts.
Cleared all hunting quests.
Played using all of the rules in VERSUS OPS.
Cleared "Capture the Enemy Base 06" in OUTER OPS using only soldiers.
Acquired Infinity Bandana. Never worry about running out of bullets ever again.
Obtained Rank S on a date with Kaz.
Threw a chaff grenade at ZEKE (single player only).
Defeated all AI weapons.
Read all of Paz's diary.
Reached 50 or more game overs.
Heard a ghost on the radio.
Rolled 100 times or more in a single mission.
Assembled all special staff members.
Obtained Rank S on a date with Paz.
Reached 100 kills.
Nicely cooked a ration.
Complete Metal Gear ZEKE.
Cleared Chapter 5: Outer Heaven.
Carried out a trade.
Read all of Strangelove's memoirs.
Reached 100 hold-ups.
Attacked enemy soldiers by blowing up an oil drum or truck (single player only).
Cleared Chapter 4: The Illusion of Peace.
Defeated Pupa, Chrysalis, Cocoon, Peace Walker.
Cleared Chapter 3: A Nation Reborn.
Performed CQC six times in a row.
Reached 300 Fulton recoveries.
Performed a Leap of Faith.
Cleared Chapter 2: The Phantom Hero.
Carried out a mission in OUTER OPS.
Read Huey's love letter.
Cleared Chapter 1: A Country Without An Army.
Recruited Hideo Kojima.
Reached at least 100 stun attacks or sleep-inducing attacks.
Sent an item using Delivery.
Shot enemy right in the middle of the rear end.
Captured a mech.
Wearing a cardboard box gives you that feeling of inner peace.
Cleared Prologue: An Army Without Borders.