Flying Circus WWI Air Rules May 6, 2020 by The Miniature Wargaming Editor Flying Circus is a set of free wargames rules based on the old Avalon Hill Mustangs game. Share this:Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Reddit (Opens in new window)Click to print (Opens in new window) Related