Blood Bowl is one of Games Workshop’s smaller games, but its been around for as long as I can remember. Here’s a Bloodbowl variant that uses the game to play European "Football" — soccer.
rules
Ancient Battlefields
Ancient Battlefields is a set of free wargames rules "with an emphasis on Command and Control". The game is over when the opposing general flees the field.
Caliburn’s Wrath Arthurian Rules
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.”
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.