Game Changers

Electronic Arts collaborates with coach and sports commentator John Madden to create what would become a great football video game.

The inception of Activisions mega-hit Call of Duty began in Hollywood, thanks to director Steven Spielberg -- but its success was due to the scrappy brilliance of a Tulsa, OK, video game company and a group of disgruntled gamers named the Gang of Four.

Brave heroes join on a quest into the vast realms of World of Warcraft; following the journey of its wise warriors, aka game developers, as they face insurmountable obstacles to collecting their gold lots and lots of gold.

Minecraft sets players free to create their own world in a colorful, pixelated sandbox, mining, surviving and even whacking the occasional zombie or two.