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).
Gather all "Letters of the Lost".
Liberate all outposts.
Gather all the memory cards.
Kill 50 enemies with the flamethrower (Single Player only).
Gather a total of 60 relics.
Find the lost Hollywood star.
Kill a target from 70m or more with the bow (Single Player only).
Dive more than 60m (Single Player only).
Win $1500 playing poker.
Earn every tattoo by learning all the skills.
Attend the final ceremony.
Kill Hoyt.
Complete Riley's interrogation.
Freefall more than 100m and live (Single Player only).
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 a takedown from above from a glider, zipline or parachute (Single Player only).
Kill 4 enemies simultaneously with one explosion (Single Player only).
Craft a special syringe.
Rescue Oliver from the pirates.
Activate 9 radio towers.
Buy all attachments and paint jobs for one weapon.
Complete the Rakyat initiation.
Rescue Liza from the burning building.
Craft 25 syringes.
Hunt and skin a rare animal.
Liberate 3 outposts.
Kill an enemy with the Repair Tool (Single Player only).
Spend $5000 at the shop.
Unlock 50 entries in the Survivor Guide.
Earn 5 skill tattoos.
Beat any Trial of the Rakyat score.
Complete a Supply Drop quest.
Return to the doctor with the cave mushrooms.
Liberate an outpost without triggering an alarm.
Tag 25 enemies using the camera (Single Player only).
Lure and kill a predator.
Craft 5 upgrades for your equipment.
Complete a WANTED Dead quest.
Complete a Path of the Hunter quest.
Escape the pirates and survive in the wilderness.