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