Blood, Guts and Rampant Hex is a set of free wargames rules for “beer and pretzels” games in a Medieval/Fantasy setting.
Miniatures Rules
Fokker World War I Aerial Rules
Fokker is a one-page set of rules for playing miniature games with World War I aircraft.
War of the Ring House Rules
War of the Ring: The Lord of the Rings- Strategy Battle Game is a relatively expensive rules set from Games Workshop. But if you already have a set, you may be interested in these houserules.
Gangs of Rome Rules
Gangs of Rome is a new miniatures game of street fighting in Ancient Rome (yes, it was a thing). It’s actually a game I have thought about for years, going back to several books I read describing Roman politics as a blood sport. The rules are free for now, and there are dedicated miniatures and other things you can buy. Check out their Facebook page.
Teddy’s Wild Ride Fast play Rules For San Juan Hill
The Junior General offers Teddy’s Wild Ride, a set of fast play rules for the Battle of San Juan Hill in the Spanish American War. It’s the battle that — rightly or wrongly — made TR a legend.