Caliburn’s Wrath is a set of free wargames rules from Matt Cappetta for the Arthurian period. The rulesCaliburn’s Wrath are “intended to represent intense clashes between small bands of foot soldiers.”
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Starship Troopers For Dirtside
Here are some rules for using the Dirtside II system to recreate battles from Heinlein’s Starship Troopers.
Fistfull of Tripods Rules
Ty Beard’s Fistfull of Tripods is a set of free wargames rules for fighting battles from H.G. Wells’ War of the Worlds. It is a tactical level game, where one stand is a platoon. I’ts designed for 1/300 (6mm) scale figures.
NOTE: This is an updated URL. The old one was no longer working.
Ironbow rules
From The Perfect Captain, Ironbow is one of their series of beautifully illustrated wargames where the graphics are not just eyecandy, but integrated into the rules and play of the game. Truly innovative stuff. Ironbow covers the crusades era from 1096 to 1192.
Hot Lead and Steel Sinews Yahoo Group
The Hot Lead and Steel Sinews Yahoo group focuses on pulp-era gaming. There are also a set of playtest rules for the period, called “Noir.” Unlike other adventure-miniatures games, this set of free wargames rules is specifically focuses on the period, featuring such things as “hero points” to capture the flavor of the pulp novels.