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