Half Sword recently launched in early access on PC via Steam. The project is positioned as a combat simulator with realistic physics.
Half Sword Games has featured historically accurate 15th-century armor and weapons in the game:
[...] Players will be able to go from commoner to knight through a series of brutal 15th-century European tournaments. Innovative game technologies make it possible to swing weapons and strike accurately using a computer mouse. Feel the force of every blow as you level up and face ever stronger opponents.
At launch, Half Sword's concurrent player count surpassed 10,000 users and continues to grow. The first reviews of the game are "Mixed" — players complain about "terrible optimization".