Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Blind Fury (20 points)	Kill the Basilisk.
Grim Reaper (20 points)	Slay the Bailiff and his minions.
Lovers' Conspiracy (20 points)	Finish the Lovers' Conspiracy storyline.
Pirates of the Flying Fortress (40 points)	Complete Pirates of the Flying Fortress.
Primal Fears (30 points)	Annihilate the Phobias.
Tell Willy I Got 'Em (25 points)	Kill 100 enemies with crossbow (Single player campaign).
The Pursuit of Happiness (15 points)	Find your Treasure.
Who Watches the Watchman? (20 points)	Defeat Corr Amarok.
Yo-ho, Yo-ho! (25 points)	Reach 100 points of reputation amongst the pirates.