Here is the full list of all 43 Far Cry 3 Classic Edition achievements worth 1,000 gamerscore.
Attend the final ceremony.
Kill Hoyt.
Complete Riley's interrogation.
Win $1500 playing poker.
Gather all "Letters of the Lost".
Gather a total of 60 relics.
Liberate all outposts.
Gather all the memory cards.
Earn every tattoo by learning all the skills.
Kill an enemy with a takedown from above from a glider, zipline or parachute.
Fully distract 25 enemies with rocks.
Use your wingsuit to reach the Southern island.
Kill Vaas.
Survive the encounter with Vaas and escape.
Craft a special syringe.
Rescue Keith from Buck.
Kill a target from 70m or more with the bow.
Freefall more than 100m and live.
Dive more than 60m.
Find the lost Hollywood star.
Kill 50 enemies with the flamethrower.
Rescue Oliver from the pirates.
Hunt and skin a rare animal.
Kill 4 enemies simultaneously with one explosion.
Liberate 3 outposts.
Kill an enemy with the Repair Tool.
Craft 25 syringes.
Activate 9 radio towers.
Spend $5000 at the shop.
Liberate an outpost without triggering an alarm.
Complete the Rakyat initiation.
Buy all attachments and paint jobs for one weapon.
Unlock 50 entries in the Survival Guide.
Rescue Liza from the burning building.
Tag 25 enemies using the camera.
Lure and kill a predator.
Earn 5 skill tattoos.
Return to the doctor with the cave mushrooms.
Complete a Supply Drop quest.
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.