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