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.
Cleared "Capture the Enemy Base 06" in OUTER OPS using only soldiers.
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.
Acquired Infinity Bandana. Never worry about running out of bullets ever again.
Collected a soldier using a divine wind.
Acquired stealth camouflage. Never worry about being detected ever again.
Cleared all hunting quests.
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.
Defeated all AI weapons.
Reached 50 or more game overs.
Carried out a trade.
Played using all of the rules in VERSUS OPS.
Cleared all MAIN OPS missions at Rank S.
Cleared all MAIN OPS missions at Rank A or higher.
Nicely cooked a ration.
Performed CQC six times in a row.
Cleared Chapter 5: Outer Heaven.
Threw a chaff grenade at ZEKE (single player only).
Complete Metal Gear ZEKE.
Read all of Strangelove's memoirs.
Reached 300 Fulton recoveries.
Obtained Rank S on a date with Paz.
Heard a ghost on the radio.
Assembled all special staff members.
Rolled 100 times or more in a single mission.
Reached 100 hold-ups.
Cleared Chapter 4: The Illusion of Peace.
Defeated Pupa, Chrysalis, Cocoon, Peace Walker.
Cleared Chapter 3: A Nation Reborn.
Performed a Leap of Faith.
Reached 100 kills.
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.
Attacked enemy soldiers by blowing up an oil drum or truck (single player only).
Reached at least 100 stun attacks or sleep-inducing attacks.
Shot enemy right in the middle of the rear end.
Sent an item using Delivery.
Captured a mech.
Cleared Prologue: An Army Without Borders.
Wearing a cardboard box gives you that feeling of inner peace.