For at least the next week, the world will be a very odd place. Throughout the land, offices will be deserted, high streets empty, as the majority of mankind lock themselves in the house to get stuck into Halo 3. It'll undoubtedly sell more copies than the first two put together, giving us all RSI and 'issues' with concentration in the process. Still, no matter how devastating the economical, physical, psychological and social side-effects, it's going to bloody rock. Here's the latest trailers and gawp-worthy gameplay footage:

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