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