Galleys and Galleons is a standalone set of naval wargaming rules based on the Song of Blades engine. G&G allows players to fight out fast-paced naval battles without cluttering the table with charts or unnecessary record keeping. Easy to learn, fast to play, as usual. Each player commands up to 6-7 ships. Fleet games are possible with multiple players per side. Additional rules cater for mythical beasts, submersibles and more. Includes rosters for 36 historic vessels plus numerous shore forts, monsters and more. You can buy it in pdf format here.