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