Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", "My profile", "View all my games", then the game and view stats.

Ale Iacta Est: Complete chapter 2.
Apprentice: Use alchemy to brew five potions or oils.
Artful Dodger: Cut off a tentacle using the Kayran trap.
Avenger: Finish the game by killing Letho.
Backbone: Craft a suit of armor from elements of the Kayran's carapace.
Being Witcher George: Kill the dragon.
Black Ops: Sneak through the lower camp without raising the alarm.
Craftsman: Hire a craftsman to create an item.
Dragonheart: Spare or save Saskia.
Eagle Eye: Hit Count Etcheverry using the ballista.
Fat Man: Kill the Draug.
Focus: Perform three successful ripostes in a row.
Friend of Trolls: Spare all trolls in the game.
Gambler: Win an arm wrestling match, a dice poker game and a fist fight.
Gladiator: Defeat all opponents in the Kaedweni arena.
Great Potion!: Brew the ostmurk potion.
Guru: Achieve character level 35.
Heartbreaker: Seduce Ves.
Intimidator: Intimidate someone.
Journeyman: Achieve character level 10.
Kingmaker: Help Roche rescue Anais from the Kaedweni camp.
Librarian: Find all additional information about the insane asylum's history.
Madman: Finish the game while playing at the Insane difficulty level.
Man of the Shadows: Successfully sneak through Loredo's garden and find the component of the Kayran trap.
Master Alchemist: Acquire the Mutant ability.
Master of Magic: Acquire the Sense of Magic ability.
Miser: Collect 10,000 orens.
Mutant!: Enhance abilities using mutagens at least five times.
Necromancer: Relive all of Auckes's memories in Dethmold's vision.
Oh My God! You Killed the Kayran! You Bastards!: Kill the Kayran.
Old Friends: Finish the game by sparing Letho.
Once Ain't Enough: Reach the Epilogue of the game.
Perfectionist: Kill 10 foes in a row without losing any Vitality.
Pest Control: Finish all quests involing the destruction of monster nests.
Poker!: Roll five-of-a-kind at dice poker.
Reasons of State: Stop Roche from killing Henselt.
Ricochet: Kill a foe by deflecting his own arrow at him.
Sensitive Guy: Save síle from dying in the unstable portal.
Spellbreaker: Help Iorveth find the dagger needed to free Saskia from the spell that holds her.
Swordmaster: Acquire the Combat Acumen ability.
Taster: Drink one potion.
The Butcher of Blaviken: Kill 500 foes.
The Fugitive: Finish the Prologue.
Threesome: Kill three foes at once by performing a group finisher.
To Aedirn!: Complete chapter 1.
To Be Continued...: Finish the game at any difficulty level.
Torn Asunder!: Kill more than one opponent using a single exploding bomb.
Tourist: Tour the camp with Zyvik.
Trollslayer: Kill all the trolls in the game.
Witch Hunter: Leave síle to die in the unstable portal.