Five addictive iPhone, iPod touch games to play on the go

There are plenty of content-rich, in-depth games for the iPhone that will take you hours to complete, and they’re awesome. Then, there are apps that offer the same amount of depth and gameplay, but in shorter bursts. These apps all require no how-to or learning, just a smart player. If you’ve got five minutes to kill, these games for the iPod touch and iPhone will murder those minutes in no time.