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