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