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.
Perform 10 effective counterattacks in a row without getting hit or parrying.
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.
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.
Have all possible Place of Power bonuses active at the same time.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Acquire all gwent cards available in the base version of the game.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Complete all witcher contracts.
Complete the contract on the Woodland Spirit.
Find and equip all the elements of one set of witcher gear.
Complete the contract on Therazane.
Complete the contract on Sarasti.
Resolve the doppler problem in Novigrad.
Finish the game on any difficulty.
Reach character development level 35.
Defeat Eredin.
Take part in the assassination of King Radovid.
Acquire all the Abilities in one tree.
Complete the contract on Morvudd.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Fill all mutagen slots.
Find Ciri.
Collect the formulae for 6 different bomb types.
Complete the contract on the shrieker.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Win all the horse races in the game.
Discover 100 fast travel points.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Help Yennefer extract information from Skjall's body.
Complete the subplot about choosing Skellige's ruler.
Destroy 10 monster nests using bombs.
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.
Win a round of gwent using only neutral cards.
Find and free Dandelion.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Play three hero cards in one round of gwent and win the match.
Kill at least 5 opponents in under 10 seconds.
Complete the subplot involving Keira Metz.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Find the baron's wife and daughter.
Read 30 books, journals or other documents.
Learn 12 potion formulae.
Find Yennefer of Vengerberg.
Defeat an opponent in a fistfight without taking any damage.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Kill 3 opponents with their own arrows.
Kill 20 cows.
Defeat all the fallen knights and loot their campsites.
Win a round of gwent with a total strength of at least 187.
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.
Be under the influence of seven potions or decoctions at the same time.
Buy all the items put on the block at the Borsodis' Auction House.
Participate in all the activities at the wedding.
Kill the prince cursed into a toad.
Slide downhill uninterrupted for at least 10 seconds.
Find all grandmaster diagrams for each witcher school.
Use all available options for developing Corvo Bianco.
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.
Collect all the cards in the Skellige deck.
Develop a mutation.
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.