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.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Finish the game on the "Death March!" difficulty level.
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Have all possible Place of Power bonuses active at the same time.
Acquire all the Abilities in one tree.
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.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Acquire all gwent cards available in the base version of the game.
Reach character development level 35.
Fill all mutagen slots.
Finish the game on any difficulty.
Defeat Eredin.
Take part in the assassination of King Radovid.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Find and equip all the elements of one set of witcher gear.
Find Ciri.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Win all the horse races in the game.
Complete all witcher contracts.
Complete the contract on the Woodland Spirit.
Help Yennefer extract information from Skjall's body.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Play three hero cards in one round of gwent and win the match.
Complete the contract on Morvudd.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Defeat Olaf, the Skellige champion of unarmed combat.
Discover 100 fast travel points.
Complete the subplot about choosing Skellige's ruler.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Complete the contract on Therazane.
Complete the contract on Sarasti.
Resolve the doppler problem in Novigrad.
Destroy 10 monster nests using bombs.
Find and free Dandelion.
Win a round of gwent using only neutral cards.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Complete the contract on the shrieker.
Find the baron's wife and daughter.
Defeat an opponent in a fistfight without taking any damage.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Collect the formulae for 6 different bomb types.
Complete the subplot involving Keira Metz.
Read 30 books, journals or other documents.
Kill at least 5 opponents in under 10 seconds.
Learn 12 potion formulae.
Find Yennefer of Vengerberg.
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.
Win a round of gwent with a total strength of at least 187.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Kill 20 cows.
Be under the influence of seven potions or decoctions at the same time.
Kill 3 opponents with their own arrows.
Slide downhill uninterrupted for at least 10 seconds.
Defeat all the fallen knights and loot their campsites.
Finish the "Hearts of Stone" expansion.
Recreate all of Iris' nightmares in the Painted World.
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.
Be decorated with the Order of Vitis Vinifera.
Use all available options for developing Corvo Bianco.
Obtain a flawless victory in all the competitions during the knights' tourney.
Collect all the cards in the Skellige deck.
Be given Aerondight by the Lady of the Lake.
Develop a mutation.
Travel to the Duchy of Toussaint.