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