Complete the contract on Morvudd.
Make an opponent suffer from bleeding, poisoning and burning simultaneously. Do this 10 times.
Have all possible Place of Power bonuses active at the same time.
Destroy 10 monster nests using bombs.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Serve time in Toussaint.
Be decorated with the Order of Vitis Vinifera.
Be given Aerondight by the Lady of the Lake.
Use all available options for developing Corvo Bianco.
Help unite the warring vineyards and have a wine named in your honor.
Kill a frozen opponent with a crossbow bolt.
Obtain a flawless victory in all the competitions during the knights' tourney.
Develop a mutation.
Kill Golyat with a crossbow bolt to his eye.
Travel to the Duchy of Toussaint.
Finish the "Hearts of Stone" expansion.
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.
Participate in all the activities at the wedding.
Kill 20 cows.
Be under the influence of seven potions or decoctions at the same time.
Collect the formulae for 6 different bomb types.
Acquire all the Abilities in one tree.
Slide downhill uninterrupted for at least 10 seconds.
Discover 100 fast travel points.
Reach character development level 35.
Buy all the items put on the block at the Borsodis' Auction House.
Defeat all the fallen knights and loot their campsites.
Kill 3 opponents with their own arrows.
Kill the prince cursed into a toad.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Complete the contract on Therazane.
Visit Tir na Lia and convince Ge'els to betray Eredin.
Finish the game on any difficulty.
Defeat Eredin.
Fill all mutagen slots.
Defeat Olaf, the Skellige champion of unarmed combat.
Find Ciri.
Complete the contract on Sarasti.
Complete the contract on the Woodland Spirit.
Find and equip all the elements of one set of witcher gear.
Complete the subplot about choosing Skellige's ruler.
Help Yennefer extract information from Skjall's body.
Complete the contract on the shrieker.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Resolve the doppler problem in Novigrad.
Find and free Dandelion.
Learn 12 potion formulae.
Read 30 books, journals or other documents.
Find the baron's wife and daughter.
Complete the subplot involving Keira Metz.
Kill 3 opponents in one fight using 3 different methods (swords, bombs, crossbow, Signs, etc.).
Defeat an opponent in a fistfight without taking any damage.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Find Yennefer of Vengerberg.
Kill at least 5 opponents in under 10 seconds.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Acquire all gwent cards available in the base version of the game.
Unlock the bonus for equipping all the witcher gear elements from one School.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Win all the horse races in the game.
Bring all possible allies to Kaer Morhen for the battle against the Hunt.
Win a round of gwent using only neutral cards.
Complete all witcher contracts.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Collect all the cards in the Skellige deck.
Win a round of gwent with a total strength of at least 187.
Kill 50 human and nonhuman opponents by striking them in the head with a crossbow bolt.
Play three hero cards in one round of gwent and win the match.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Find all grandmaster diagrams for each witcher school.
Finish the game on the "Death March!" difficulty level.
Attack, counter, cast a Sign and throw a bomb (in any order) in under 4 seconds.
Take part in the assassination of King Radovid.