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