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