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