Gather all "Letters of the Lost".
Attend the final ceremony.
Kill Hoyt.
Complete Riley's interrogation.
Gather all the memory cards.
Liberate all outposts.
Fully distract 25 enemies with rocks (Single Player only).
Win $1500 playing poker.
Find the lost Hollywood star.
Kill a target from 70m or more with the bow (Single Player only).
Freefall more than 100m and live (Single Player only).
Dive more than 60m (Single Player only).
Use your wingsuit to reach the Southern island.
Kill Vaas.
Kill 50 enemies with the flamethrower (Single Player only).
Survive the encounter with Vaas and escape.
Rescue Keith from Buck.
Beat any Trial of the Rakyat score.
Unlock 50 entries in the Survivor Guide.
Craft 5 upgrades for your equipment.
Buy all attachments and paint jobs for one weapon.
Rescue Liza from the burning building.
Tag 25 enemies using the camera (Single Player only).
Liberate 3 outposts.
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 WANTED Dead quest.
Lure and kill a predator.
Complete a Path of the Hunter quest.
Escape the pirates and survive in the wilderness.
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).
Complete the Rakyat initiation.
Hunt and skin a rare animal.
Craft 25 syringes.
Spend $5000 at the shop.
Rescue Oliver from the pirates.
Earn every tattoo by learning all the skills.
Activate 9 radio towers.
Gather a total of 60 relics.
Craft a special syringe.
Kill 4 enemies simultaneously with one explosion (Single Player only).
Kill an enemy with a takedown from above from a glider, zipline or parachute (Single Player only).
Kill an enemy with the Repair Tool (Single Player only).