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.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Complete all witcher contracts.
Reach character development level 35.
Complete the contract on Morvudd.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
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.
Defeat Olaf, the Skellige champion of unarmed combat.
Acquire all gwent cards available in the base version of the game.
Take part in the assassination of King Radovid.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Complete the contract on Therazane.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Fill all mutagen slots.
Find Ciri.
Complete the contract on Sarasti.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Complete the contract on the Woodland Spirit.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Acquire all the Abilities in one tree.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Complete the subplot about choosing Skellige's ruler.
Help Yennefer extract information from Skjall's body.
Win all the horse races in the game.
Discover 100 fast travel points.
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.
Complete the contract on the shrieker.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Find and equip all the elements of one set of witcher gear.
Destroy 10 monster nests using bombs.
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.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Play three hero cards in one round of gwent and win the match.
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.
Kill at least 5 opponents in under 10 seconds.
Complete the subplot involving Keira Metz.
Win a round of gwent using only neutral cards.
Collect the formulae for 6 different bomb types.
Perform 10 effective counterattacks in a row without getting hit or parrying.
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.
Have all possible Place of Power bonuses active at the same time.
Learn 12 potion formulae.
Defeat an opponent in a fistfight without taking any damage.
Defeat all the fallen knights and loot their campsites.
Finish the "Hearts of Stone" expansion.
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.
Buy all the items put on the block at the Borsodis' Auction House.
Participate in all the activities at the wedding.
Win a round of gwent with a total strength of at least 187.
Kill the prince cursed into a toad.
Kill 3 opponents with their own arrows.
Slide downhill uninterrupted for at least 10 seconds.
Kill 20 cows.
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.
Find all grandmaster diagrams for each witcher school.
Unlock the bonus for equipping all the witcher gear elements from one School.
Collect all the cards in the Skellige deck.
Use all available options for developing Corvo Bianco.
Develop a mutation.
Be given Aerondight by the Lady of the Lake.
Obtain a flawless victory in all the competitions during the knights' tourney.
Travel to the Duchy of Toussaint.