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