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