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