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