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