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