Corvus Belli is offering a free set of quick start rules for their Infinity science fiction miniatures game. There also are some markers and force lists.
rules
Instant Thunder Air War Rules
Nigel Lancaster has written a set of abstract modern air war rules called Instant Thunder, and has graciously permitted MiniatureWargaming to host them. This is a major work, with 28 pages of rules, aircraft and missle lists, and designers notes.
A Drop Too Many
A Drop Too Many is an interactive storytelling game by Jim Wallman. It’s truly a unique concept, and worth taking a long look.
BrickMech Lego Miniatures Rules
Peter Guenther offers BrickMech, a
d6-based game where Mechs built of LEGO� bricks vie for ultimate control of the battlefield. Constructed in a unique modular system, Mechs can scavenge parts blown off other Mechs to improve their stats. The game is designed to be a rich gaming experience that’s simple to play.
The Regular Army, O! 19th Century Rules
The Regular Army O! is a set of free wargames rules for battles of the 19th Century. It’s of a rather nebulous scale, although there is a reference to “regiments” in the rules. Mediafire rules link.