Find Yennefer of Vengerberg.
Help Yennefer extract information from Skjall's body.
Find and free Dandelion.
Find the baron's wife and daughter.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Finish the game on the 'Blood and Broken Bones!' or 'Death March!' difficulty levels.
Finish the game on any difficulty.
Complete all witcher contracts.
Finish the game on the 'Death March!' difficulty level.
Complete the subplot about choosing Skellige's ruler.
Take part in the assassination of King Radovid.
Complete the subplot involving Keira Metz.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Acquire all the Abilities in one tree.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Fill all mutagen slots.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Kill at least 5 opponents in under 10 seconds.
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.
Defeat Olaf, the Skellige champion of unarmed combat.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Discover 100 fast travel points.
Acquire all gwent cards available in the base version of the game.
Collect the formulae for 6 different bomb types.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Learn 12 potion formulae.
Read 30 books, journals or other documents.
Find and equip all the elements of one set of witcher gear.
Have all possible Place of Power bonuses active at the same time.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Win all the horse races in the game.
Destroy 10 monster nests using bombs.
Reach character development level 35.
Defeat an opponent in a fistfight without taking any damage.
Play three hero cards in one round of gwent and win the match.
Win a round of gwent using only neutral cards.
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 the prince cursed into a toad.
Win a round of gwent with a total strength of at least 187.
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.
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.
Travel to the Duchy of Toussaint.
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.
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.