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.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Complete all witcher contracts.
Have all possible Place of Power bonuses active at the same time.
Acquire all gwent cards available in the base version of the game.
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.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Complete the contract on Sarasti.
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Find and equip all the elements of one set of witcher gear.
Acquire all the Abilities in one tree.
Win all the horse races in the game.
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.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Destroy 10 monster nests using bombs.
Play three hero cards in one round of gwent and win the match.
Win a round of gwent using only neutral cards.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Collect the formulae for 6 different bomb types.
Discover 100 fast travel points.
Reach character development level 35.
Finish the game on any difficulty.
Defeat Eredin.
Fill all mutagen slots.
Complete the contract on Morvudd.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Take part in the assassination of King Radovid.
Find Ciri.
Complete the subplot about choosing Skellige's ruler.
Complete the contract on the Woodland Spirit.
Complete the contract on Therazane.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Defeat Olaf, the Skellige champion of unarmed combat.
Find and free Dandelion.
Find the baron's wife and daughter.
Resolve the doppler problem in Novigrad.
Learn 12 potion formulae.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Help Yennefer extract information from Skjall's body.
Kill at least 5 opponents in under 10 seconds.
Read 30 books, journals or other documents.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Complete the contract on the shrieker.
Complete the subplot involving Keira Metz.
Defeat an opponent in a fistfight without taking any damage.
Find Yennefer of Vengerberg.
Win a round of gwent with a total strength of at least 187.
Defeat all the fallen knights and loot their campsites.
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.
Slide downhill uninterrupted for at least 10 seconds.
Kill 20 cows.
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.
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.
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.
Be given Aerondight by the Lady of the Lake.
Collect all the cards in the Skellige deck.
Be decorated with the Order of Vitis Vinifera.
Develop a mutation.
Obtain a flawless victory in all the competitions during the knights' tourney.
Travel to the Duchy of Toussaint.