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