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