Here is the full list of all 50 Tomb Raider achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Shoot a bundle of dynamite out of the air.
Complete all challenges.
Find all documents, relics and GPS caches.
Complete all conversations with the Endurance crew.
Fully mod and completely upgrade all weapons.
Kill 10 multiplayer enemies using your melee attack.
Kill 2 multiplayer enemies with a single explosive.
Reach level 10 in multiplayer.
Find 75% of GPS caches.
Purchase all skills in all categories.
Purchase a new multiplayer character.
Loot 200 enemies.
Kill and loot 10 flying animals (crows and gulls).
Complete all optional tombs.
Fully mod and completely upgrade any weapon.
Catch a player in a snare trap in multiplayer.
In multiplayer, be the only player on your team that isn't dead or downed.
Find 75% of all documents.
Collect 75% of all relics.
Complete the game.
Purchase all skills in one category.
Kill and loot 10 small animals (rabbits, chickens, rats).
Kill FeeFee the crab.
Collect 5000 pieces of salvage.
Kill 40 enemies with the shotgun.
Perform 50 headshot kills in the single player campaign.
Kill 50 enemies with the bow.
Kill 25 unaware enemies.
Force an enemy to drop dynamite that kills two people when exploding.
Kill and loot 10 large animals (deer, boar, wolves).
Find 25% of GPS caches.
Perform 15 finishers.
Kill 35 enemies with the pistol.
Collect 25% of all relics.
Find 25% of all documents.
Complete one challenge.
Complete one optional tomb.
Kill 75 enemies with the rifle.
Rope pull 5 enemies off edges.
Shoot 10 enemies off zip lines.
Incapacitate 25 enemies with dodge counter.
Complete a match in all multiplayer modes.
Kill 20 enemy players in multiplayer using a turret.
Kill a zip-lining enemy player in multiplayer.
Survive 10 explosions in multiplayer.
Revive a teammate in a multiplayer match.
Win a ranked match in every multiplayer mode.
In multiplayer, escape death 3 times by using the rope ascender.
Buy every upgrade and character in multiplayer.
Reach level 60 in multiplayer.