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