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