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