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