Extreme Exorcism is launching on the Wii U eShop on September 23, Ripstone announced today. That date seems to apply to both North America and Europe. At launch, Extreme Exorcism will set you back $12.99 / €12.99. Ripstone wrote on Twitter earlier today: #ExtremeExorcism will be creeping onto #WiiU #XboxOne #PS4 #PS3 #PC #Mac on September 23rd priced at €12.99...