Full list of all 50 Far Cry 3 achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox 360.
Gather all "Letters of the Lost".
Gather a total of 60 relics.
Find the lost Hollywood star.
Attend the final ceremony.
Kill Hoyt.
Earn every tattoo by learning all the skills.
Complete Riley's interrogation.
Gather all the memory cards.
Liberate all outposts.
Win $1500 playing poker.
Craft a special syringe.
Fully distract 25 enemies with rocks (Single Player only).
Freefall more than 100m and live (Single Player only).
Use your wingsuit to reach the Southern island.
Kill 4 enemies simultaneously with one explosion (Single Player only).
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).
Kill Vaas.
Kill a target from 70m or more with the bow (Single Player only).
Kill an enemy with the Repair Tool (Single Player only).
Dive more than 60m (Single Player only).
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).
Buy all attachments and paint jobs for one weapon.
Kill 50 enemies with the flamethrower (Single Player only).
Craft 25 syringes.
Rescue Oliver from the pirates.
Activate 9 radio towers.
Spend $5000 at the shop.
Complete the Rakyat initiation.
Hunt and skin a rare animal.
Rescue Liza from the burning building.
Unlock 50 entries in the Survivor Guide.
Liberate 3 outposts.
Liberate an outpost without triggering an alarm.
Tag 25 enemies using the camera (Single Player only).
Craft 5 upgrades for your equipment.
Earn 5 skill tattoos.
Return to the doctor with the cave mushrooms.
Beat any Trial of the Rakyat score.
Complete a Supply Drop quest.
Complete a WANTED Dead quest.
Lure and kill a predator.
Complete a Path of the Hunter quest.
Escape the pirates and survive in the wilderness.