Rabbidgerbal Wrestling! is a set of free rules for professional wrestlers in a ring.
Miniatures Rules
Martial Arts Card Engine
The Martial Arts Card Engine is a set of free wargames rules for simulating fighting games and anime battles. From the game description:
MACE is a game for 2 – 4 players. MACE simulates the fantastic martial arts battles common to fighting games and anime. Each player is represented by a Fighter, a master of the martial arts complete with vicious Strikes and powerful Blasts of energy. The goal is to Knock Out all other players Fighters, with the last one standing the winner.
MACE uses a deck of playing cards, a hex sheet and some tokens, so is easy to play and requires no book keeping. MACE also features a unique order mechanic called Momentum, which allows you to choose when you act.
Heart of Oak, Skin of Iron
Heart of Oak, Skin of Iron is a set of free wargame rules for naval combat in the years 1852 – 1870.
Vehicular Pursuit Rules For Fistful of Kung Fu
The Osprey Rules A Fistful of Kung Fu don’t include pursuit rules for vehicles, so Pijlie wrote his own.
Wars of The Roses Rules
Andy Watkins offers a set of skirmish rules for the Wars of the Roses. Watkins writes:
25mm Skirmish wargaming with Wars of the Roses figures was one of the first Skirmish games I ever played about 20 years ago. To be honest I haven’t played much for quite a while. The rules I used were a bit cumbersome, I’ve upgraded now to a home grown set that owe more to my Pirate rules than anything else. Though there is still a touch of influence from Retinue, the best of the commercial Wars Of The Roses rules.