Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Elevator to the Gallows (20 points)	Kill a player using a lift that has been trapped with Booby Trap.
Firepower (15 points)	Kill 5 guards at once with a blunderbuss.
His Full Attention (50 points)	Freedom Cry - Achieve 100% synchronization
His Own Medicine (20 points)	Gave the Gouverneur a taste of his own medicine.
His Word Was "Perhaps" (30 points)	Freedom Cry - Completed all missions.
Liberation Day (15 points)	Free your first slave.
Preemptive Strike (20 points)	Playing as The Orchid, block 10 abilities from opponents with Sabotage.
Queen Anne's Revenge (20 points)	Playing as Blackbeard, perform an acrobatic kill and a gun kill in less than 10 seconds.
Sacred Land (20 points)	Playing as The Jaguar, be the highest scoring player of a Domination game session.
Seeds of independence (40 points)	Liberate 500 slaves.