Onimusha Soul (鬼武者魂) is a social strategy RPG for online browsers and smartphones that was released in Japan by Capcom. Running on the Unity 3D engine and using the free-to-play business model with item-based transactions, it is Capcom's first attempt at a browser game. Announced on March 9, 2012, the game for released for online browsers on June 28, 2012, with a smartphone release in the fall of that year. The game has only been released in Japan.