Bob Cordery offers a set of Modified Morschauser 19th Century Rules. They’re based on the original set by Joseph Morschauser. It’s played on a gridded battlefield
Miniatures Rules
Legio VI Macedonia
Legio Wargames offers Legio VI Macedonia, a set of free wargames rules for playing games set in the Helenistic through the Republican Roman eras. They’e designed for 6mm figures, with one 20mm x 20mm stand equaling 300 – 500 heavy infantry.
Legio VI Julia Augusta 6mm Ancients Rules
Legio Wargames offers Legio VI Julia Augusta, a set of free wargames rules for battles of the late Roman Republic and Empire (100BC to AD250). They’re designed for 6mm, where one 20mm x 20mm stand equals a cohort.
Age of Heroes Bronze Age Rules
Age of Heroes is a set of free wargames rules for playing skirmishes in the Bronze Age.
A Coat of Steel Wars of the Roses Rules
The always amazing Perfect Captain has released A Coat of Steel, a set of free wargames rules for the Wars of the Roses. There’s also a campaign game called “A Crown of Paper.”