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