Here is the full list of all 34 Metal Gear Solid 4 trophies - there are 19 bronze, 9 silver, 5 gold and 1 platinum.
Obtained all trophies.
Obtained all iPod® tracks (excluding tracks obtained via password).
Obtained all weapons (excluding weapons obtained via password).
Obtained the Bandana.
Snapped at least 5 shots of ghosts on Shadow Moses Island.
Ended ALERT status while wearing the Corpse Camo.
Obtained the Stealth Camouflage.
Caused a "divine wind" using the Tanegashima.
Obtained the Solar Gun.
Viewed all model posters.
Controlled an enemy soldier's emotions using an Emotive Magazine.
Defeated Laughing Octopus by non-lethal means, and obtained the Laughing Octopus Doll.
Viewed all flashbacks.
Obtained 10 or more types of FaceCamo (excluding types obtained via password).
Took control of an enemy soldier's body using the Mantis Doll or Sorrow Doll.
Escaped the Haven Troopers in the Middle East by non-lethal means, and obtained the Frog Soldier Doll.
Killed many enemies in one area, and vomited.
Cleared Act 5 (Outer Haven).
Got kissed by Ocelot during the final battle.
Defeated Screaming Mantis by non-lethal means, and obtained the Screaming Mantis Doll.
Piloted Metal Gear REX and screamed at your enemy.
Cleared Act 4 (Shadow Moses).
Defeated Crying Wolf by non-lethal means, and obtained the Crying Wolf Doll.
Used overhead view on Shadow Moses Island.
Cleared Act 3 (Eastern Europe).
Played Oishii Two-han Seikatsu and made one of the BB Corps dance.
Defeated Raging Raven by non-lethal means, and obtained the Raging Raven Doll.
Cleared Act 2 (South America).
Knocked an enemy soldier flying using a Drum Can.
Found a crop circle and heard a mysterious voice.
Shocked an enemy soldier using Mk. II/III.
Cleared Act 1 (Middle East).
Held an enemy soldier at gunpoint and performed a body check.
Broke off the most important part of a statue.