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