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