Sea battle description

This game is about brave sailors and pirates, hunters of other people's treasures. The action takes place in the basin of the Karib Sea.
You have to lead the sailing frigate and resist the attacks of pirates, thereby clearing
open spaces from bloodthirsty robbers. For every sunken pirate ship, a reward is awarded.
The resulting gold can be spent on improving the rig of the ship in order to more effectively resist the sea robbers.
In an unequal battle, coastal artillery will come to the rescue.