Full list of all 78 The Witcher 3: Wild Hunt achievements. It takes around 100-120 hours to unlock all of the achievements in the base game on Windows.
The base game contains 52 achievements, and there are 3 DLC packs containing 26 achievements.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Finish the game on the "Death March!" difficulty level.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Acquire all the Abilities in one tree.
Complete all witcher contracts.
Finish the game on any difficulty.
Defeat Eredin.
Complete the contract on Morvudd.
Reach character development level 35.
Take part in the assassination of King Radovid.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Find and equip all the elements of one set of witcher gear.
Fill all mutagen slots.
Find Ciri.
Have all possible Place of Power bonuses active at the same time.
Acquire all gwent cards available in the base version of the game.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Destroy 10 monster nests using bombs.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Olaf, the Skellige champion of unarmed combat.
Complete the contract on Sarasti.
Win all the horse races in the game.
Complete the contract on Therazane.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Discover 100 fast travel points.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Complete the subplot about choosing Skellige's ruler.
Complete the contract on the Woodland Spirit.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Help Yennefer extract information from Skjall's body.
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Play three hero cards in one round of gwent and win the match.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Win a round of gwent using only neutral cards.
Complete the subplot involving Keira Metz.
Resolve the doppler problem in Novigrad.
Find and free Dandelion.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Defeat an opponent in a fistfight without taking any damage.
Kill at least 5 opponents in under 10 seconds.
Collect the formulae for 6 different bomb types.
Find the baron's wife and daughter.
Complete the contract on the shrieker.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Read 30 books, journals or other documents.
Find Yennefer of Vengerberg.
Learn 12 potion formulae.
Provoke all Iris von Everec's Nightmares into fighting you at the same time and defeat them.
Kill 3 opponents with their own arrows.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Be under the influence of seven potions or decoctions at the same time.
Defeat all the fallen knights and loot their campsites.
Slide downhill uninterrupted for at least 10 seconds.
Finish the "Hearts of Stone" expansion.
Recreate all of Iris' nightmares in the Painted World.
Buy all the items put on the block at the Borsodis' Auction House.
Participate in all the activities at the wedding.
Kill the prince cursed into a toad.
Win a round of gwent with a total strength of at least 187.
Kill 20 cows.
Be given Aerondight by the Lady of the Lake.
Be decorated with the Order of Vitis Vinifera.
Serve time in Toussaint.
Collect all the cards in the Skellige deck.
Use all available options for developing Corvo Bianco.
Develop a mutation.
Obtain a flawless victory in all the competitions during the knights' tourney.
Unlock the bonus for equipping all the witcher gear elements from one School.
Find all grandmaster diagrams for each witcher school.
Travel to the Duchy of Toussaint.