As if remembering to get off the bus/train at the right time isn't hard enough already, PopCap's Peggle is now available on iTunes for 3G Nano, 5G and classic iPods. The game involves firing a shiny steel ball down a screen full of pegs in an attempt to clear every peg off the screen, in a sort of Pachinko meets Breakout hybrid. For a game that involves massive amounts of luck, it's ferociously addictive and perfectly suited to the iPod. Expect to see civilization grind to a halt as slack-jawed groups of pegheads gather on street corners and under bridges, solemnly chanting the name of Bjorn the Unicorn...