Every game teaches you how to play. Plants vs. Zombies is an interesting case study because it made “hardcore” strategy content accessible to casual and non-gamers. Before Plants vs. Zombies the game industry had falsely concluded that the casual market just wasn’t interested in certain game genres. In addition to appealing to casual gamers, it avoided alienating the veteran gamer audience. George Fan admits that there are many elements at work to achieve this kind of mass appeal, but credits mo