Soul Caibur: Unbreakable Soul for the iOS is out this week as a new trailer of the game features a new story, card combat system, over 150 characters, 200 weapons and more.

Soul Calibur: Unbreakable Soul is a free-to-play card fighter and it is out today for the iPhone, iPad, and iPod Touch devices. The story of the game centers on Cassandra and Edge Master's quest to find and obtain the fragments of Soul Edge.

Soul Calibur's publisher Namco confirmed in a press release today, that Unbreakable Soul will offer a one-touch combat system presented in the series more traditional 3D combat style. It uses a deck of cards to play out quick battles.

The game has over 150 avatars for players to choose from including returning Soul Calibur regulars. There's also a collection of over 200 weapons that can be forged and imbued with fire, water, wind, light and dark properties to create a strong weapon deck. Once you have a solid hand, you can take the fight to other people in the ranked PVP mode.

Soul Calibur: Unbreakable Soul can be downloaded for free on iTunes.