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