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.
Acquire all gwent cards available in the base version of the game.
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.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Find Ciri.
Reach character development level 35.
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.
Acquire all the Abilities in one tree.
Help Yennefer extract information from Skjall's body.
Fill all mutagen slots.
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Complete the contract on Morvudd.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Win all the horse races in the game.
Discover 100 fast travel points.
Complete the contract on Sarasti.
Find and free Dandelion.
Win a round of gwent using only neutral cards.
Complete the contract on Therazane.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Play three hero cards in one round of gwent and win the match.
Find and equip all the elements of one set of witcher gear.
Resolve the doppler problem in Novigrad.
Find the baron's wife and daughter.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Complete the subplot involving Keira Metz.
Collect the formulae for 6 different bomb types.
Have all possible Place of Power bonuses active at the same time.
Destroy 10 monster nests using bombs.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Complete the contract on the shrieker.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Read 30 books, journals or other documents.
Kill at least 5 opponents in under 10 seconds.
Find Yennefer of Vengerberg.
Learn 12 potion formulae.
Defeat an opponent in a fistfight without taking any damage.
Finish the game on the "Death March!" difficulty level.
Complete all witcher contracts.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Complete the contract on the Woodland Spirit.
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.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Kill the prince cursed into a toad.
Defeat all the fallen knights and loot their campsites.
Slide downhill uninterrupted for at least 10 seconds.
Win a round of gwent with a total strength of at least 187.
Be under the influence of seven potions or decoctions at the same time.
Kill 3 opponents with their own arrows.
Kill 20 cows.
Participate in all the activities at the wedding.
Travel to the Duchy of Toussaint.
Be decorated with the Order of Vitis Vinifera.
Serve time in Toussaint.
Obtain a flawless victory in all the competitions during the knights' tourney.
Be given Aerondight by the Lady of the Lake.
Use all available options for developing Corvo Bianco.
Find all grandmaster diagrams for each witcher school.
Collect all the cards in the Skellige deck.
Unlock the bonus for equipping all the witcher gear elements from one School.
Develop a mutation.