From 1875, Airfix’s rules for gaming the Battle of Waterloo.
napoleonics
The Thin Red Line Napoleonics Rules
The Thin Red Line is a set of free wargames rules for Napoleonics warfare based on the Flames of War Rules.
A Marvelous Victory
The Armchair General offers a set of free wargames rules for 25mm / 28mm Napoleonics called A Marvelous Victory
Eagles and Emperors Napoleonic Rules
Eagles and Emperors is a set of free wargames rules for the Napoleonic period based on a set of Civil War rules called The Blue, The Grey and the Butternut.
Bring Out The Old Guard Napoleonic Rules
Bring Out The Old Guard and That Vertically Challenged Mediterranean Man is a set of free wargames rules for the Napoleonic period.