At a glance they may not seem like a natural fit for a touch screen device, but twin stick shooters have found a surprisingly welcome home on the iPhone in recent years. Games like Minigore and iDracula have quickly become staples of the portable action gamer diet. But for all of their frantic shooting and endless spinning, twin stick shooters have always lacked any real depth or sense of purpose. That's where Pirate's Treasure comes in.