I just encountered Infinity Blade III today as I was able to watch the trailer and my first impression was high. Infinity Blade is an action role-playing game developed by Chair Entertainment and Epic Games released through the Apple App Store on December 9, 2010. Then Infinity Blade II came out on December 1, 2011 and now the series continue with the upcoming release of Infinity Blade III on September 18, 2013. Just an additional info it was reported that Infinity Blade was the fastest-grossing app in the history of iOS, selling US$1.6 million in four days.
Infinity Blade 3 uses unreal engine. The game will be launched and with compatibility for the following IOS phones and tab : iPhone 5, iPhone 4S, iPhone 4, iPad 4, iPad 3, iPad 2, iPad mini, iPod touch 5, and iPod touch 4.