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