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