Fleet of Battle is a set of free wargames rules for playing out battles between fleets of ancient galleys. Think Ben Hur. There also are several pages of free print-and-play galleys for use in lieu of lead miniatures. The rules require a knowledge of the commercial Field of Battle wargames rules.
ancients
Ancient Greece Resource Site
If you’ve been inspired by the Iliad and the Odyssey, or by movies such as Ray Harryhausen’s Jason and the Argonauts and Clash of the Titans, or by Troy, or 300, or any of a myriad books or movies on the Ancient Greeks, you’ve probably (like me) considered building a couple of armies to act out your swords and sandals fantasies. Ancient Greece is a website that provides a wealth of information of the history behind the legends.
Periplus Ancient Naval Game
Periplus is a free two player wargame that abstracts a battle between two fleets of ancient greek warships.
Pharaoh Rides To War
Pharaoh Rides To War is a set of rules for 20mm battles between Egyptians and Assyrians.
Pocket Civilization
Pocket Civilization is a free, downloadable solo civilization building game that’s advertised as being compact enough to play on an airplane.
It looks very cool, and the Board Game Geek reviews are favorable.