Take part in the assassination of King Radovid.
Complete all witcher contracts.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Finish the "Hearts of Stone" expansion.
Find and equip all the elements of one set of witcher gear.
Destroy 10 monster nests using bombs.
Win all the horse races in the game.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Kill the prince cursed into a toad.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat Olaf, the Skellige champion of unarmed combat.
Finish the game on any difficulty.
Reach character development level 35.
Defeat Eredin.
Visit Tir ná Lia and convince Ge'els to betray Eredin.
Fill all mutagen slots.
Find Ciri.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Complete the contract on Morvudd.
Complete the contract on Therazane.
Discover 100 fast travel points.
Complete the contract on Sarasti.
Complete the subplot about choosing Skellige's ruler.
Collect the formulae for 6 different bomb types.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Help Yennefer extract information from Skjall's body.
Play three hero cards in one round of gwent and win the match.
Win a round of gwent using only neutral cards.
Complete the subplot involving Keira Metz.
Read 30 books, journals or other documents.
Find and free Dandelion.
Resolve the doppler problem in Novigrad.
Complete the contract on the shrieker.
Find the baron's wife and daughter.
Defeat an opponent in a fistfight without taking any damage.
Kill at least 5 opponents in under 10 seconds.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Learn 12 potion formulae.
Find Yennefer of Vengerberg.
Collect all trophies.
Finish the game on the "Death March!" difficulty level.
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.
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.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
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 the contract on the Woodland Spirit.
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.
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.
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 the "Blood and Broken Bones!" or "Death March!" difficulty levels.