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