Hell returns as id Software’s John Carmack builds Doom Classic for the iPhone

John Carmack is the programming wiz at id Software, the Mesquite, Texas-based company that pioneered the first-person shooter game genre that has generated billions of dollars in the game industry since 1993. Now Carmack has returned to the game that started it all: Doom. He has taken the original game and ported the code to run on the iPhone, his favorite new game platform. Although he is...