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