Fokker is a one-page set of rules for playing miniature games with World War I aircraft.
Rules: WWI
World War I Miniatures Rules
Green Miniatures offers a set of free wargames rules for game set during the Great War. The smallest unit in the game is a platoon.
OP14 Operational Level Wargame Rules 1914 – 1918
Op14 is a set of free wargames rules for operational level game set in the World War I. The game is designed for figures on 15mm frontage bases, played on a grid.
I Wish I Was In France East Africa WWI Rules
I Wish I Was In France is a set of free wargames rules for WWI era games set in East Africa.
The Great War Naval Rules
The Great War Naval Rules is a very comprehensive set of rules for WWI Naval warfare.