<Tr> <Th> Release </Th> <Td> July 28, 2011 </Td> </Tr> <Tr> <Th> Genre (s) </Th> <Td> Tower defense game </Td> </Tr> <Tr> <Th> Mode (s) </Th> <Td> Single - player </Td> </Tr> <P> Kingdom Rush is a tower defense game developed by Ironhide Game Studio and published by Armor Games, released as a free flash browser game on July 28, 2011, on the iPad on December 19, 2011, on Android in May 2013, and a Unity port in January 2014 via Steam . A sequel, Kingdom Rush: Frontiers, was released on June 6, 2013 . The third installment of the franchise, Kingdom Rush: Origins, was launched on November 20, 2014 . The third installment is not available on PC . </P>

When does the next kingdom rush come out