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