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