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.
Win all the horse races in the game.
Perform 10 effective counterattacks in a row without getting hit or parrying.
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.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Take part in the assassination of King Radovid.
Find Ciri.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Complete all witcher contracts.
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.
Reach character development level 35.
Acquire all gwent cards available in the base version of the game.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Olaf, the Skellige champion of unarmed combat.
Complete the subplot about choosing Skellige's ruler.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Fill all mutagen slots.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Help Yennefer extract information from Skjall's body.
Complete the contract on the Woodland Spirit.
Complete the contract on Morvudd.
Acquire all the Abilities in one tree.
Resolve the doppler problem in Novigrad.
Find and free Dandelion.
Complete the contract on Therazane.
Discover 100 fast travel points.
Play three hero cards in one round of gwent and win the match.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Complete the contract on Sarasti.
Win a round of gwent using only neutral cards.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Find the baron's wife and daughter.
Find and equip all the elements of one set of witcher gear.
Destroy 10 monster nests using bombs.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Defeat an opponent in a fistfight without taking any damage.
Complete the subplot involving Keira Metz.
Complete the contract on the shrieker.
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.
Read 30 books, journals or other documents.
Find Yennefer of Vengerberg.
Kill at least 5 opponents in under 10 seconds.
Learn 12 potion formulae.
Have all possible Place of Power bonuses active at the same time.
Finish the "Hearts of Stone" expansion.
Win a round of gwent with a total strength of at least 187.
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.
Kill 3 opponents with their own arrows.
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.
Participate in all the activities at the wedding.
Defeat all the fallen knights and loot their campsites.
Kill the prince cursed into a toad.
Kill 20 cows.
Slide downhill uninterrupted for at least 10 seconds.
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.
Unlock the bonus for equipping all the witcher gear elements from one School.
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.
Collect all the cards in the Skellige deck.
Use all available options for developing Corvo Bianco.
Develop a mutation.
Travel to the Duchy of Toussaint.