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.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Finish the game on the "Death March!" difficulty level.
Perform 10 effective counterattacks in a row without getting hit or parrying.
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.
Complete the contract on the Woodland Spirit.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Complete all witcher contracts.
Win all the horse races in the game.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Acquire all gwent cards available in the base version of the game.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Complete the contract on Morvudd.
Acquire all the Abilities in one tree.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Have all possible Place of Power bonuses active at the same time.
Finish the game on any difficulty.
Defeat Eredin.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
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.
Reach character development level 35.
Find and equip all the elements of one set of witcher gear.
Find Ciri.
Complete the subplot about choosing Skellige's ruler.
Play three hero cards in one round of gwent and win the match.
Help Yennefer extract information from Skjall's body.
Discover 100 fast travel points.
Complete the contract on Therazane.
Win a round of gwent using only neutral cards.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Complete the contract on Sarasti.
Resolve the doppler problem in Novigrad.
Find and free Dandelion.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Collect the formulae for 6 different bomb types.
Destroy 10 monster nests using bombs.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Find the baron's wife and daughter.
Complete the subplot involving Keira Metz.
Complete the contract on the shrieker.
Defeat an opponent in a fistfight without taking any damage.
Read 30 books, journals or other documents.
Find Yennefer of Vengerberg.
Learn 12 potion formulae.
Kill at least 5 opponents in under 10 seconds.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
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.
Defeat all the fallen knights and loot their campsites.
Be under the influence of seven potions or decoctions at the same time.
Kill 20 cows.
Win a round of gwent with a total strength of at least 187.
Kill 3 opponents with their own arrows.
Slide downhill uninterrupted for at least 10 seconds.
Finish the "Hearts of Stone" expansion.
Participate in all the activities at the wedding.
Buy all the items put on the block at the Borsodis' Auction House.
Kill the prince cursed into a toad.
Serve time in Toussaint.
Be decorated with the Order of Vitis Vinifera.
Find all grandmaster diagrams for each witcher school.
Be given Aerondight by the Lady of the Lake.
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.
Develop a mutation.
Use all available options for developing Corvo Bianco.
Collect all the cards in the Skellige deck.
Travel to the Duchy of Toussaint.