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