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.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Complete the contract on the Woodland Spirit.
Reach character development level 35.
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.
Take part in the assassination of King Radovid.
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.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Acquire all the Abilities in one tree.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
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.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
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.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Defeat an opponent in a fistfight without taking any damage.
Find and equip all the elements of one set of witcher gear.
Fill all mutagen slots.
Find Ciri.
Complete the contract on Therazane.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Complete the subplot about choosing Skellige's ruler.
Help Yennefer extract information from Skjall's body.
Discover 100 fast travel points.
Find and free Dandelion.
Complete the contract on Sarasti.
Resolve the doppler problem in Novigrad.
Play three hero cards in one round of gwent and win the match.
Win a round of gwent using only neutral cards.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Complete the subplot involving Keira Metz.
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.
Find the baron's wife and daughter.
Destroy 10 monster nests using bombs.
Complete the contract on the shrieker.
Read 30 books, journals or other documents.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Learn 12 potion formulae.
Have all possible Place of Power bonuses active at the same time.
Find Yennefer of Vengerberg.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Kill at least 5 opponents in under 10 seconds.
Kill 20 cows.
Win a round of gwent with a total strength of at least 187.
Participate in all the activities at the wedding.
Provoke all Iris von Everec's Nightmares into fighting you at the same time and defeat them.
Slide downhill uninterrupted for at least 10 seconds.
Defeat all the fallen knights and loot their campsites.
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.
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.
Be given Aerondight by the Lady of the Lake.
Find all grandmaster diagrams for each witcher school.
Use all available options for developing Corvo Bianco.
Unlock the bonus for equipping all the witcher gear elements from one School.
Collect all the cards in the Skellige deck.
Obtain a flawless victory in all the competitions during the knights' tourney.
Develop a mutation.
Travel to the Duchy of Toussaint.