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