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.
Complete the contract on the Woodland Spirit.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Finish the game on the "Death March!" difficulty level.
Win a round of gwent using only neutral cards.
Complete all witcher contracts.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Olaf, the Skellige champion of unarmed combat.
Complete the contract on Morvudd.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Complete the contract on Therazane.
Win all the horse races in the game.
Reach character development level 35.
Destroy 10 monster nests using bombs.
Finish the game on any difficulty.
Defeat Eredin.
Find and equip all the elements of one set of witcher gear.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Play three hero cards in one round of gwent and win the match.
Take part in the assassination of King Radovid.
Fill all mutagen slots.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Find Ciri.
Discover 100 fast travel points.
Complete the contract on Sarasti.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Complete the subplot about choosing Skellige's ruler.
Complete the contract on the shrieker.
Help Yennefer extract information from Skjall's body.
Collect the formulae for 6 different bomb types.
Find and free Dandelion.
Resolve the doppler problem in Novigrad.
Read 30 books, journals or other documents.
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.
Defeat an opponent in a fistfight without taking any damage.
Complete the subplot involving Keira Metz.
Kill at least 5 opponents in under 10 seconds.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Learn 12 potion formulae.
Find Yennefer of Vengerberg.
Acquire all the Abilities in one tree.
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.
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Acquire all gwent cards available in the base version of the game.
Have all possible Place of Power bonuses active at the same time.
Buy all the items put on the block at the Borsodis' Auction House.
Participate in all the activities at the wedding.
Defeat all the fallen knights and loot their campsites.
Win a round of gwent with a total strength of at least 187.
Recreate all of Iris' nightmares in the Painted World.
Slide downhill uninterrupted for at least 10 seconds.
Finish the "Hearts of Stone" expansion.
Kill the prince cursed into a toad.
Provoke all Iris von Everec's Nightmares into fighting you at the same time and defeat them.
Kill 3 opponents with their own arrows.
Be under the influence of seven potions or decoctions at the same time.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Kill 20 cows.
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.
Unlock the bonus for equipping all the witcher gear elements from one School.
Find all grandmaster diagrams for each witcher school.
Use all available options for developing Corvo Bianco.
Develop a mutation.
Obtain a flawless victory in all the competitions during the knights' tourney.
Travel to the Duchy of Toussaint.
Serve time in Toussaint.