Here is the full list of all 51 Far Cry 3 trophies - there are 38 bronze, 10 silver, 2 gold and 1 platinum.
Obtain all the Trophies.
Complete "Payback" Co-op map (Online/Offline).
Complete "Rush Hour" Co-op map (Online/Offline).
Attend the final ceremony.
Kill Hoyt.
Earn every tattoo by learning all the skills.
Complete Riley's interrogation.
Complete "Lights Out" Co-op map (Online/Offline).
Gather all the memory cards.
Liberate all outposts.
Gather all "Letters of the Lost".
Use your wingsuit to reach the Southern island.
Kill Vaas.
Survive the encounter with Vaas and escape.
Complete "Overboard" Co-op map (Online/Offline).
Complete "Sidetracked" Co-op map (Online/Offline).
Complete "Ready or Not" Co-op map (Online/Offline).
Rescue Keith from Buck.
Rescue Oliver from the pirates.
Complete the Rakyat initiation.
Gather a total of 60 relics.
Craft a special syringe.
Fully distract 25 enemies with rocks (Single Player only).
Find the lost Hollywood star.
Rescue Liza from the burning building.
Kill an enemy with a takedown from above from a glider, zipline or parachute (Single Player only).
Return to the doctor with the cave mushrooms.
Kill 50 enemies with the flamethrower (Single Player only).
Activate 9 radio towers.
Hunt and skin a rare animal.
Craft 25 syringes.
Win $1500 playing poker.
Unlock 50 entries in the Survivor Guide.
Spend $5000 at the shop.
Tag 25 enemies using the camera (Single Player only).
Kill a target from 70m or more with the bow (Single Player only).
Dive more than 60m (Single Player only).
Freefall more than 100m and live (Single Player only).
Liberate 3 outposts.
Craft 5 upgrades for your equipment.
Earn 5 skill tattoos.
Lure and kill a predator.
Liberate an outpost without triggering an alarm.
Kill 4 enemies simultaneously with one explosion (Single Player only).
Beat any Trial of the Rakyat score.
Complete a Supply Drop quest.
Complete a Path of the Hunter quest.
Buy all attachments and paint jobs for one weapon.
Complete a WANTED Dead quest.
Kill an enemy with the Repair Tool (Single Player only).
Escape the pirates and survive in the wilderness.