Modern Combat 5: Blackout ($7) is one of the most high-profile iOS games to be released this year. Blackout is the latest first-person shooter in Gameloft’s Call of Duty-esque series, and this time around, there are no in-app purchases to be found. However, an internet connection is required to play at all times. As Modern Combat players will expect, Blackout has a great presentation. From the seriously impressive, detailed graphics, to the…