There are 55 Trophies that can be collected.

Bronze

First Treasure
Find one treasure

Apprentice Fortune Hunter
Find 10 treasures

Skilled Fortune Hunter
Find 40 treasures

Adept Fortune Hunter
Find 60 treasures

Expert Fortune Hunter
Find 80 treasures

Relic Finder
Find the Strange Relic

20 Headshots
Defeat 20 enemies with headshots

Headshot Expert
Defeat 5 enemies in a row with headshots

Side Arm Master
Defeat 30 enemies in a row with your side arm

Blindfire Marksman
Defeat 20 enemies by blind-firing while in cover (without aiming with L1)

Run-and-Gunner
Defeat 20 enemies by shooting from the hip (without aiming with L1)

Hangman
Defeat 20 enemies with gunfire by aiming while hanging

Land Shark
Defeat 20 enemies while swimming

30 Kills: Mag 5
Defeat 30 enemies with the Mag 5

30 Kills: Arm Micro
Defeat 30 enemies with the Arm Micro

30 Kills: TAU Sniper
Defeat 30 enemies with the Tau Sniper

30 Kills: KAL 7
Defeat 30 enemies with the KAL 7

30 Kills: M9
Defeat 30 enemies with the M9

30 Kills: G-MAL
Defeat 30 enemies with the G-MAL

30 Kills: SAS-12
Defeat 30 enemies with the SAS-12

30 Kills: Dragon Sniper
Defeat 30 enemies with the Dragon Sniper

30 Kills: T-Bolt Sniper
Defeat 30 enemies with the T-Bolt Sniper

30 Kills: RPG7
Defeat 30 enemies with the RPG-7

30 Kills: PAK-80
Defeat 30 enemies with the PAK-80

30 Kills: Mk-NDI
Defeat 30 enemies with the Mk-NDI

Pro-Pain
Defeat 10 enemies with propane of acetylene tank explosions

Grenade Hangman
Defeat 10 enemies with grenades while hanging

Drop the Bomb Headshot
Make 5 enemies drop their grenades by shooting them

Throwback
Kill 10 enemies with thrown-back grenades

Throwback Master
Throw back a grenade and defeat two enemies at once

Bare-knuckle Brawler
Defeat 20 enemies with hand-to-hand combat

Bare-knuckle Slugger
Defeat 50 enemies with hand to hand combat

Master Ninja
Defeat 50 enemies with stealth attacks

Riot Rocker
Defeat 5 Riot Shield enemies by running over their shield

Brute Beater
Successfully counter all of a Brute's damage-giving attacks

Quick Study
Inspect every display case in the Cartagena Museum

Ride the Crocodile
Stand on the crocodile in the Secret Library

He's Gonna Need a Sturgeon
Hit three enemies with fish in the market

Marco Solo
Play in the swimming pool on the Cruise Ship

Truck Brawler
Defeat 10 enemies using hand-to-hand combat on the back of the convoy trucks

Charted! – Easy
Finish the game in Easy Mode

Thrillseeker
Complete one Competitive Multiplayer game

Buddy System
Complete one Cooperative Multiplayer game

Silver

Master Fortune Hunter
Find 100 treasures

Survivor
Defeat 75 enemies in a row without dying

Combat Leapfrog
Defeat 10 enemies in a row, alternating hand-to-hand combat and gunplay

100 Headshots
Defeat 100 enemies with headshots

Reload Master
Defeat 50 enemies in a row without auto-reloading

Rolling Ammo Master
20 times in a row, pick up ammo while rolling

Dyno-Might Master
Defeat 5 enemies with one explosion

Expert Ninja
Defeat 5 enemies in a row using stealth attacks

Charted! – Normal
Finish the game in Normal Mode

Charted! – Hard
Finish the game in Hard Mode

Gold

Charted! – Crushing
Finish the game in Crushing Mode

Platinum

Platinum
gain all trophies

http://www.computerandvideogames.com/320255/uncharted-3-trophy-list-leaked/

KAMIKAZE-UK said:

I will always remember you UC3; my first platinum.

well done what a great game to get it on.