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