Bug Hunt is a set of free wargames rules for Science Fiction Bug Hunts.
science fiction
Powerspike Science Fantasy Wargames Rules
Powerspike is a set of no-dice rules for science fantasy wargames.
Obydon 40K Rally Rules
Obydon 40K Rally is a set of free wargames rules for combat races using various Warhammer 40K vehicles.
JUGS: A Game of Big Stompy Robots
JUGS is a set of free wargames rules for science fiction combat with giant robots.
Giant robots. How can you go wrong?