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.”
rules
Return to Lilliput 2.0 Battling Bigguns
Return to Lilliput 2.0 is a set of rules by Walt O’Hara in which, twenty years after Gulliver, a band of pirates arrives at Lilliput.
Breaking News Free Modern Skirmish Rules
Breaking News is a set of free wargames rules for modern skirmishes. From the introduction:
BN recreates the tension of today’s battlefields, scenes of difficult operations that are often called “peace keeping” missions, with the additional presence of civilians and the media.
In BN the main elements are the men and their choices on the field – these rules are not a “brochure” containing all the features of modern weapons.
BN is designed for “one-off” simulations. Build up your unit with group of miniatures and spend other points on EXTRAS (support fire, intelligence, rules of engagement…)
Mobius: Sonic The Hedgehog Wargames Rules
Mobius is a set of free wargames rules for game set in the universe of Archie Comics’ Sonic The Hedgehog series.
Update: Mobius now is in its second edition.
White Steeds and Seax
White Steeds and Seax is a variant of the Dark Age Infantry Slog rules, which include rules for cavalry.