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