Swim a total of 1 nmi.
Complete all missions
Liberate 500 slaves.
Kill a guard ringing a bell.
Harpoon a killer whale.
Board a ship without losing any crew members.
Kill 5 guards at once with a blunderbuss.
Free your first slave.
Disarm the Gouverneur and kill him with the branding iron.
Achieve 100% synchronization
Plunder 30 ships.
Perform 5 air assassinations from a swinging rope.