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