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