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