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