Sign in to your GOG account and you can get Mount & Blade for free. This is an excellent Medieval fighting game where you use sword and bow as well as fight from horseback.
Calradia is a land at war, offering great riches and even greater dangers to adventurers and mercenaries that flock to shed their blood on its soil. With courage and a strong sword, an unknown stranger can make a name as a warrior.
Free-form sand-box gameplay. You are free to go anywhere in a world with more than a hundred unique locations including villages, castles and towns.
Groundbreaking horseback combat.
Highly advanced and intuitive sword-fighting systems.
Fight on horseback and foot using a vast variety of medieval weapons, each with unique characteristics.
You can be anything from a lonesome adventurer to a commander of armies or an owner of villages, castles or towns.
Sophisticated AI will challenge you in combat and in your strategic plans.
Freedom to interact with hundreds of characters.
You can see some video footage of in game play HERE, HERE and HERE.