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