Investigating Fundamental Details Of zombie apocalypse
Some paper and pens or pencils can give you Tic-Tac-Toe or Hangman or even allow you to put a few of your thoughts on paper for later reflection.
Break Glass: Zombie has a rather odd name, but it's a rather awesome app. "Micah's Zombie Apocalypse Mix 2011" he mouthed silently reading the CD.