NGai Croal: "By the time you read this column, 2008 will be receding into memory.
Nevertheless, I wanted to cap off a remarkable year in gaming with a closer look at the co-op zombie apocalypse shooter Left 4 Dead. Valve's attention to detail and high levels of polish are well known, but after weeks of entertainment, I was still trying to tease apart on a fundamental level 'How'd they do that?' How did Valve take two tastes that taste great – survival horror and co-op – and make them taste great together? Here's what I came up with."