Black Seas focuses on the golden age of sail, which encompasses the period between 1770 and 1830. During this period the navies of Europe and beyond fight for dominance of the high seas. Hold Fast! is a supplement for the Black Seas age of sail game. Inside, find new ways to play, such as charting your course as an independent smuggler or following a navy career from lieutenant to admiral. Fight in 16 new scenarios that range between cat-and-mouse chases, shallow river battles, passenger escorts, and mutinies. All culminating the explosive Battle of the Nile which saw the spectacular demise of the French Flagship L'Orient. Launch new famous ships, such as HMS Agamemnon, Santa Ana, or USS Niagara. Commission new captains of renown for the British, French, Spanish, and US navies, such as Louis-Antoine-Cyprien Infernet or John Paul Jones. Or set sail with entirely new fleets from the Russian, Swedish, Dutch, Portuguese, or Ottoman Empire navies. Alternatively become the scourge of the Mediterranean at the head of a Barbary Cost pirate fleet. Finally, alongside all the new additional advanced rules and ship statistics, enjoy three solo scenarios or introduce the nightmare terrors of the deep that are born from sailors' superstitions.