Although it is still overlooked in favor of the Nintendo DS and PSP when it comes to portable games, the Apple iPhone has been building up a lot of momentum in the gaming industry as the mobile platform amasses an impressive growing library of titles.
From bite-size puzzle games to old-school arcade remakes and even epically long RPGs, we've watched the iPhone morph into a legitimate portable gaming system. With most prices ranging between $9.99 all the way down to a single dollar, there can be a tremendous amount of gaming value to be found on the iPhone.