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