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