Find Yennefer of Vengerberg.
Finish the game on Dark difficulty.
Complete all witcher contracts.
Complete the subplot about choosing Skellige's ruler.
Take part in the assassination of King Radovid.
Complete the subplot involving Keira Metz.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Acquire all the Abilities in one tree.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Kill 50 opponents by knocking them off somewhere high with the Aard Sign.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Find and free Dandelion.
Perform 10 effective counterattacks in a row without getting hit or parrying.
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.
Kill at least 5 opponents in under 10 seconds.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Defeat Olaf, the Skellige champion of unarmed combat.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Kill 50 opponents by striking them in the head with a crossbow bolt.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Visit each game region and discover all fast travel points.
Help Yennefer extract information from Skjall's body.
Destroy all monster nests in one area (Velen, the Novigrad region or Skellige).
Acquire all gwent cards available in the base version of the game.
Defeat all NPCs possessing unique gwent cards.
Collect 40 potion formulae.
Collect 24 bomb formulae.
Read 30 books, journals or other documents.
Find all elements of all witcher equipment sets in the game.
Have all possible Place of Power bonuses active at the same time.
Win all the fistfighting tournaments.
Win all the horse races in the game.
Find the baron's wife and daughter.
Reach the highest character level.
Destroy 10 monster nests using bombs.
Defeat an opponent in a fistfight without taking any damage.
Complete a round of gwent using only neutral cards.
Play three hero cards in one round of gwent and win the match.
Complete the contract on the shrieker.
Complete the contract on Sarasti.
Complete the contract on the Woodland Spirit.
Complete the contract on Morvudd.
Complete the contract on Therazane.
Resolve the doppler problem in Novigrad.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Fill all mutagen slots.
Kill the prince cursed into a toad.
Participate in all the activities at the wedding.
Buy all the items put on the block at the Borsodis' Auction House.
Recreate all of Iris' nightmares in the Painted World.
Finish the "Hearts of Stone" expansion.
Provoke all Iris von Everec's Nightmares into fighting you at the same time and defeat them.
Kill 3 opponents with their own arrows.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Be under the influence of seven potions or decoctions at the same time.
Defeat all the fallen knights and loot their campsites.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Kill 20 cows.
Slide downhill uninterrupted for at least 10 seconds.
Win a round of gwent with a total strength of at least 187.
Travel to the Duchy of Toussaint.
Be decorated with the Order of Vitis Vinifera.
Serve time in Toussaint.
Obtain a flawless victory in all the competitions during the knights' tourney.
Be given Aerondight by the Lady of the Lake.
Use all available options for developing Corvo Bianco.
Find all grandmaster diagrams for each witcher school.
Collect all the cards in the Skellige deck.
Help unite the warring vineyards and have a wine named in your honor.
Unlock the bonus for equipping all the witcher gear elements from one School.
Develop a mutation.
Kill a frozen opponent with a crossbow bolt.
Kill Golyat with a crossbow bolt to his eye.
Finish the game on any difficulty.
Finish the game on Hard or Dark difficulty.