PZ8 WWII is a set of free wargames rules for fighting battles of the Second World War using 6mm (microarmor) wargames miniatures. They’re at the 6mm Yahoo Group.
Twilight of the Sun King is a set of free wargames rules for fast play battles set in the War of the Spanish Succession. What makes them interesting is that there is no shooting or melee phase. Instead, units in melee or shooting range make morale checks against fire, which is presumed to be occurring.
PZ8 Sci Fi is a set of free wargames rules for using 6mm (microarmor) figures in a science fiction setting. They’re available on the Yahoo 6mm Wargames Group.
PZ8 1950-69 is a set of free wargames rules for using 6mm miniatures to refight battles of the mid to late 20th century. They’re at the 6mm Miniatures Yahoo Group.