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