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