Return to Lilliput 2.0 is a set of rules by Walt O’Hara in which, twenty years after Gulliver, a band of pirates arrives at Lilliput.
Rules: Fantasy
Mobius: Sonic The Hedgehog Wargames Rules
Mobius is a set of free wargames rules for game set in the universe of Archie Comics’ Sonic The Hedgehog series.
Update: Mobius now is in its second edition.
Twilight Small Scale Skirmish Rules
Hasslefree Miniatures has a trial set of their Twilight Small Scale Skirmish miniatures rules.
Border Town Burning Mordheim Supplement
Border Town Burning is a free, unofficial supplement to the excellent, but abandoned, Mordheim, from Games Workshop. It’s got new rules, a new setting and lots of scenarios in a very professionally done format.
Tiny Wars Fantasy Skirmish Rules
Tiny Wars Fantasy Skirmish is a set of free wargames rules for 15mm figures on a small tabletop.