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