War of Ashes: Shieldbash is a fantasy game set in a dying world. While the full game is a commercial product, the company offers the rules sections of the gamebook for free.
Rules: Fantasy
Middle Earth Skirmish Rules
Middle Earth are a set of free wargames rules for skirmishes in JRR Tolkien’s fantasy worlds. The set includes specific rules for battles in the three “Ages.”
Shield Breaker Fantasy Rules
Shield Breaker is a set of free wargames rules for fantasy skirmish. The authors write:
Shield Breaker is a game about warbands battling it out in a world of legends. It is intended for use with about 6–20 miniatures in the most common 28mm scale. Buy, borrow or steal any fantasy miniatures, compose a warband and you are ready to play.
Duels of Cartisora Pit Fighting Game
Duels of Cartisora is a pit fighting game played with a regular deck of cards. I rather like the mechanism used to determine the outcomes.
Charge! Warhammer Fantasy Battles Skirmish Game
The Realm of Chaos Blog has a post on an old school (1988) Warhammer Fantasy Skirmish game