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