Howard Whitehouse offers a set of Mexican Adventure Rules for the Legionnaires last stand at Camerone.
Miniatures Rules
Kraken: Victorian Man Against Sea Monster
Matthew Hartley has a game called Kraken, inspired by the man against sea monster scene in Jules Verne’s 20,000 Leagues Beneath the Sea
Black Death City Skirmish Rules
Black Death City is basically what Games Workshop should have done to update Mordheim, if it had the sense to update Mordheim. Even better, this free game has been developed by Sam Pearson, a former game developer at Games Workshop.
Event Horizon Starship Combat Rules
Event Horizon is a set of free wargames rules for quick play starship combat. It is played on a grid board.
Charles Grant’s Battle Rules
Charles Grant, one of the Fathers of Wargaming, had his “Battle” rule serialized in Meccano Magazine between May 1968 and December 1970. The magazine ceased publishing in 1980, and the company has put its contents into the public domain. You can find all the contents on the Meccano Website.
The Meccano company was established in 1908 by Frank Hornby to distribute model toys and kids produced by the company. It produced the Meccano, Hornby Trans and Dinky Toys line. The company was taken over by Lines Brothers in 1964.
The pages with the rules themselves are below in pdf format: