Here is the full list of all 50 The Witcher 2: Assassins of Kings achievements worth 1,000 gamerscore.
Roll five-of-a-kind at dice poker.
Help Roche rescue Anais from the Kaedweni camp.
Stop Roche from killing Henselt.
Spare all trolls in the game.
Finish the game while playing at the Dark difficulty level.
Kill the dragon.
Relive all of Auckes's memories in Dethmold's vision.
Tour the camp with Zyvik.
Seduce Ves.
Defeat all opponents in the Kaedweni arena.
Collect 10000 orens.
Craft a suit of armor from elements of the kayran's carapace.
Kill more than one opponent using a single exploding bomb.
Survive your 30th fight in the Arena
Survive your 5th fight in the Arena
Kill a foe by deflecting his own arrow at him.
Complete Chapter 2.
Complete Chapter 3.
Finish all quests involing the destruction of monster nests.
Kill the draug.
Spare or save Saskia.
Achieve character level 35.
Acquire the Sense of Magic ability.
Enhance abilities using mutagens at least five times.
Save Síle from dying in the unstable portal.
Help Iorveth find the dagger needed to free Saskia from the spell that holds her.
Kill three foes at once by performing a group finisher.
Leave Síle to die in the unstable portal.
Finish the game by sparing Letho.
Finish the game by killing Letho.
Finish the game at any difficulty level.
Kill 500 foes.
Sneak through the lower camp without raising the alarm.
Acquire the Combat Acumen ability.
Kill all the trolls in the game.
Acquire the Mutant ability.
Complete Chapter 1.
Use alchemy to brew five potions or oils.
Hire a craftsman to create an item.
Win an arm wrestling match, a dice poker game and a fist fight.
Hit Count Etcheverry using the ballista.
Kill 10 foes in a row without losing any Vitality.
Complete the Prologue.
Intimidate someone.
Perform three successful ripostes in a row.
Achieve character level 10.
Find all additional information about the insane asylum's history.
Successfully sneak through Loredo's garden and find the component of the kayran trap.
Kill the kayran.
Cut off a tentacle using the kayran trap.