Ignite the gas produced by a Dragon's Dream bomb using a burning opponent. Do this 10 times.
Obtain a flawless victory in all the competitions during the knights' tourney.
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.
Acquire all gwent cards available in the base version of the game.
Perform 10 effective counterattacks in a row without getting hit or parrying.
Collect all available Ofieri armor and horse gear, and at least one Ofieri sword.
Be under the influence of seven potions or decoctions at the same time.
Kill 3 opponents with their own arrows.
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 the contract on the Woodland Spirit.
Kill 10 opponents by knocking them off somewhere high with the Aard Sign.
Use the Axii Sign to force one opponent to kill another. Do this 20 times.
Acquire all the Abilities in one tree.
Finish the game on the "Death March!" difficulty level.
Finish the game on any difficulty.
Finish the game on the "Blood and Broken Bones!" or "Death March!" difficulty levels.
Serve time in Toussaint.
Be decorated with the Order of Vitis Vinifera.
Use all available options for developing Corvo Bianco.
Find all grandmaster diagrams for each witcher school.
Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).
Complete the contract on the shrieker.
Complete all fistfighting quests in Velen, Skellige and Novigrad.
Defeat an opponent in a fistfight without taking any damage.
Win all the horse races in the game.
Play three hero cards in one round of gwent and win the match.
Win a round of gwent using only neutral cards.
Defeat Tybalt and win the gwent tournament held at the Passiflora.
Complete the contract on Sarasti.
Resolve the doppler problem in Novigrad.
Complete the contract on Therazane.
Develop a mutation.
Complete the contract on Morvudd.
Defeat Olaf, the Skellige champion of unarmed combat.
Collect all the cards in the Skellige deck.
Unlock the bonus for equipping all the witcher gear elements from one School.
Be given Aerondight by the Lady of the Lake.
Discover 100 fast travel points.
Travel to the Duchy of Toussaint.
Kill 2 monsters you have a contract on without using Signs, potions, mutagens, oils or bombs.
Destroy 10 monster nests using bombs.
Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.
Collect the formulae for 6 different bomb types.
Destroy all monster nests in the Velen / Novigrad region, or in Skellige.
Read 30 books, journals or other documents.
Reach character development level 35.
Win a round of gwent with a total strength of at least 187.
Fill all mutagen slots.
Learn 12 potion formulae.
Kill at least 5 opponents in under 10 seconds.