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