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