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.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Acquire all the Abilities in one tree.
Finish the game on the "Death March!" difficulty level.
Acquire all gwent cards available in the base version of the game.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Find and equip all the elements of one set of witcher gear.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Have all possible Place of Power bonuses active at the same time.
Finish the game on any difficulty.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Defeat Eredin.
Reach character development level 35.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Olaf, the Skellige champion of unarmed combat.
Complete all witcher contracts.
Complete the contract on Morvudd.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Take part in the assassination of King Radovid.
Complete the contract on Sarasti.
Complete the contract on Therazane.
Fill all mutagen slots.
Find Ciri.
Win all the horse races in the game.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Complete the subplot about choosing Skellige's ruler.
Help Yennefer extract information from Skjall's body.
Complete the contract on the Woodland Spirit.
Discover 100 fast travel points.
Find and free Dandelion.
Resolve the doppler problem in Novigrad.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Win a round of gwent using only neutral cards.
Collect the formulae for 6 different bomb types.
Play three hero cards in one round of gwent and win the match.
Destroy 10 monster nests using bombs.
Kill at least 5 opponents in under 10 seconds.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Defeat an opponent in a fistfight without taking any damage.
Find the baron's wife and daughter.
Complete the subplot involving Keira Metz.
Complete the contract on the shrieker.
Read 30 books, journals or other documents.
Learn 12 potion formulae.
Find Yennefer of Vengerberg.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Win a round of gwent with a total strength of at least 187.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Participate in all the activities at the wedding.
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.
Slide downhill uninterrupted for at least 10 seconds.
Kill 3 opponents with their own arrows.
Finish the "Hearts of Stone" expansion.
Kill the prince cursed into a toad.
Recreate all of Iris' nightmares in the Painted World.
Provoke all Iris von Everec's Nightmares into fighting you at the same time and defeat them.
Defeat all the fallen knights and loot their campsites.
Kill 20 cows.
Be decorated with the Order of Vitis Vinifera.
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.
Collect all the cards in the Skellige deck.
Use all available options for developing Corvo Bianco.
Develop a mutation.
Obtain a flawless victory in all the competitions during the knights' tourney.
Travel to the Duchy of Toussaint.
Serve time in Toussaint.