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.
Reach character development level 35.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Complete all witcher contracts.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Complete the contract on Morvudd.
Acquire all gwent cards available in the base version of the game.
Complete the contract on Therazane.
Fill all mutagen slots.
Complete the contract on Sarasti.
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.
Defeat Eredin.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Take part in the assassination of King Radovid.
Find and equip all the elements of one set of witcher gear.
Acquire all the Abilities in one tree.
Find Ciri.
Destroy 10 monster nests using bombs.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Discover 100 fast travel points.
Complete the contract on the Woodland Spirit.
Help Yennefer extract information from Skjall's body.
Complete the subplot about choosing Skellige's ruler.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Olaf, the Skellige champion of unarmed combat.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Win all the horse races in the game.
Find and free Dandelion.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Win a round of gwent using only neutral cards.
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.
Complete the contract on the shrieker.
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 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.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Find the baron's wife and daughter.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Complete the subplot involving Keira Metz.
Learn 12 potion formulae.
Read 30 books, journals or other documents.
Find Yennefer of Vengerberg.
Kill at least 5 opponents in under 10 seconds.
Defeat an opponent in a fistfight without taking any damage.
Be under the influence of seven potions or decoctions at the same time.
Defeat all the fallen knights and loot their campsites.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Slide downhill uninterrupted for at least 10 seconds.
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.
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.
Win a round of gwent with a total strength of at least 187.
Serve time in Toussaint.
Unlock the bonus for equipping all the witcher gear elements from one School.
Be decorated with the Order of Vitis Vinifera.
Find all grandmaster diagrams for each witcher school.
Develop a mutation.
Use all available options for developing Corvo Bianco.
Collect all the cards in the Skellige deck.
Be given Aerondight by the Lady of the Lake.
Obtain a flawless victory in all the competitions during the knights' tourney.
Travel to the Duchy of Toussaint.