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