Halo 3: How Microsoft Labs Invented a New Science of Play
All game companies test their products, but generally they just pay people to report any bugs they find — monsters that disappear or places where graphics don't render properly. But because it is owned by Microsoft, which launches dozens of Xbox and PC games every year, Bungie has access to one of the most advanced game-testing facilities ever built. Pagulayan and his team have now analyzed more than 3,000 hours of Halo 3 played by some 600 everyday gamers, tracking everything from favored weapons to how and where — down to the square foot — players most frequently get killed.