RPG Blood of Calamity is a hardcore Japanese-style 2D RPG game that has already topped the Google Play Top New Paid Apps in Japan. The game is about Hoshu Washin, a nation ruled by four clans, where Kenshiro, the ruler-in-waiting of the Totsuki clan, is forced to undergo daily training. One day, the Totsuki clan is attacked by mysterious beings in Oni Masks, and Kenshiro, with his retainer and friend Tatsuto, sets off to bring them to justice. The game offers a variety of unique features such as Clan Specials, Stat Boosts, Mandara and Deployment, and Quests. The game is available in English and Japanese, and the in-game purchase is optional. The game requires a minimum of Android 6.0 and supports game controllers. However, the app is not guaranteed to work on all mobile devices.