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.
Stop Roche from killing Henselt.
Spare all 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.
Perform three successful ripostes in a row.
Collect 10000 orens.
Help Iorveth find the dagger needed to free Saskia from the spell that holds her.
Save Síle from dying in the unstable portal.
Acquire the Mutant ability.
Kill all the trolls in the game.
Finish the game by killing Letho.
Finish the game at any difficulty level.
Finish the game by sparing Letho.
Spare or save Saskia.
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.
Achieve character level 35.
Bow to Death at a Winter Shrine.
Complete Chapter 2.
Kill the draug.
Acquire the Sense of Magic ability.
Sneak through the lower camp without raising the alarm.
Kill three foes at once by performing a group finisher.
Kill 500 foes.
Enhance abilities using mutagens at least five times.
Acquire the Combat Acumen ability.
Complete Chapter 1.
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.
Kill the kayran.
Achieve character level 10.
Intimidate someone.
Find all additional information about the insane asylum's history.
Successfully sneak through Loredo's garden and find the component of the kayran trap.
Bow before the Sun at a Summer Shrine.
Hire a craftsman to create an item.
Kill more than one opponent using a single exploding bomb.
Use alchemy to brew five potions or oils.
Drink one potion.
Brew the ostmurk potion.
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.
Hit Count Etcheverry using the ballista.