The following swords are listed by order of strength. Complete the indicated task to unlock the corresponding sword.

Code - Effect

Bone sword - Complete the Davy Jones' Locker level
Cutlass - Default sword
Davy Jones' sword - Complete the Maelstrom level
Dutchman sword - Complete the Pearl Vs Dutchman level
Ghost sword - Complete the Hit Combo sub-mission on the Isla Cruces level
Gun sword - Complete the Sea Battle level
Legend sword - Complete the Hit Combo sub-mission on the Maelstrom level
Norrington sword - Complete the Isla Cruces level
Pirate King's sword - Complete the Shipwreck City level