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