Ingress – Tips and Cheats: The Ultimate Strategy Guide
WP – "Ingress is Google's massively popular mobile game that has been on Android for some time, and has now finally just made its way over to the iPhone. This alternate-reality hacking game has its fans driving bizarre routes around cities, meeting up and geeking out, and building portal collections all over the world as the two main factions (Resistance and the Enlightened) duke it out for domination."
