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