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