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