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