Port Royale 3 achievements

Reduce a nation's number of towns down to two

1,000 vessels sunk

Attain the highest reputation in one nation

Visit all 60 taverns

Highest fame as 'Pirate'

Highest fame as 'Privateer'

10 tasks fulfilled

Rescue 100 sailors from sharks

A town annexation by martial methods

Win a battle without taking any damage

Build 250 buildings

Marry