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