Here is the full list of all 52 The Witcher 2: Assassins of Kings Enhanced Edition achievements.
Finish the game while playing at the Insane difficulty level.
Finish the game by sparing Letho.
Spare or save Saskia.
Leave Síle to die in the unstable portal.
Help Iorveth find the dagger needed to free Saskia from the spell that holds her.
Bow to Death at a Winter Shrine.
Sneak through the lower camp without raising the alarm.
Spare all trolls in the game.
Roll five-of-a-kind at dice poker.
Achieve character level 35.
Finish the game at any difficulty level.
Finish the game by killing Letho.
Kill the dragon.
Reach the Epilogue of the game.
Save Síle from dying in the unstable portal.
Help Roche rescue Anais from the Kaedweni camp.
Finish all quests involing the destruction of monster nests.
Collect 10000 orens.
Complete Chapter 2.
Stop Roche from killing Henselt.
Kill all the trolls in the game.
Kill the draug.
Enhance abilities using mutagens at least five times.
Relive all of Auckes's memories in Dethmold's vision.
Kill 500 foes.
Kill three foes at once by performing a group finisher.
Seduce Ves.
Defeat all opponents in the Kaedweni arena.
Perform three successful ripostes in a row.
Use alchemy to brew five potions or oils.
Kill a foe by deflecting his own arrow at him.
Acquire the Combat Acumen ability.
Acquire the Mutant ability.
Acquire the Sense of Magic ability.
Tour the camp with Zyvik.
Complete Chapter 1.
Craft a suit of armor from elements of the kayran's carapace.
Achieve character level 10.
Kill the kayran.
Cut off a tentacle using the kayran trap.
Bow before the Sun at a Summer Shrine.
Brew the ostmurk potion.
Find all additional information about the insane asylum's history.
Hire a craftsman to create an item.
Successfully sneak through Loredo's garden and find the component of the kayran trap.
Finish the Prologue.
Win an arm wrestling match, a dice poker game and a fist fight.
Drink one potion.
Intimidate someone.
Kill more than one opponent using a single exploding bomb.
Kill 10 foes in a row without losing any Vitality.
Hit Count Etcheverry using the ballista.