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.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Finish the game on the "Death March!" difficulty level.
Acquire all gwent cards available in the base version of the game.
Finish the game on any difficulty.
Defeat Eredin.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Take part in the assassination of King Radovid.
Find Ciri.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Help Yennefer extract information from Skjall's body.
Find and free Dandelion.
Complete the subplot about choosing Skellige's ruler.
Find the baron's wife and daughter.
Complete the subplot involving Keira Metz.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Win all the horse races in the game.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Olaf, the Skellige champion of unarmed combat.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Complete the contract on Morvudd.
Complete the contract on the Woodland Spirit.
Complete the contract on Therazane.
Resolve the doppler problem in Novigrad.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Defeat an opponent in a fistfight without taking any damage.
Complete the contract on the shrieker.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Find Yennefer of Vengerberg.
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.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Perform 10 effective counterattacks in a row without getting hit or parrying.
Find and equip all the elements of one set of witcher gear.
Acquire all the Abilities in one tree.
Destroy 10 monster nests using bombs.
Complete all witcher contracts.
Reach character development level 35.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Complete the contract on Sarasti.
Win a round of gwent using only neutral cards.
Collect the formulae for 6 different bomb types.
Learn 12 potion formulae.
Read 30 books, journals or other documents.
Kill at least 5 opponents in under 10 seconds.
Discover 100 fast travel points.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Play three hero cards in one round of gwent and win the match.
Fill all mutagen slots.
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.
Defeat all the fallen knights and loot their campsites.
Slide downhill uninterrupted for at least 10 seconds.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Kill 3 opponents with their own arrows.
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 20 cows.
Kill the prince cursed into a toad.
Be decorated with the Order of Vitis Vinifera.
Serve time in Toussaint.
Develop a mutation.
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.
Collect all the cards in the Skellige deck.
Find all grandmaster diagrams for each witcher school.
Travel to the Duchy of Toussaint.