The 3rd game brought to you from SummerTimeStudio., your favorite Okinawan game studio. Made for you that simply loves Okinawa. Okinawa's Summoner. It is free-to-play, and we have also renewed the game play and levels! Down the road to the beach, you can see the good old Okinawan views and Shuri Castle. This is a defense action game, with an Okinawan theme.