As another example, I’ve started thinking of using the Mythic RPG engine for miniature gaming.
I have done that as well. It resulted in a couple of games we termed “Narrative wargaming”. See http://snv-ttm.blogspot.be/p/narrative-wargaming.html
Tiny Tin Men Blog: http://snv-ttm.blogspot.com/
Wargaming Mechanics Blog: http://wargaming-mechanics.blogspot.com/