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