Be warned, playing Modern Warfare 3 on your Xbox 360 prior to the game's November 8 release could "impact your [Xbox LIVE] account", Microsoft has said.

That's even the case if your copy is legitimately obtained.

Director of Policy and Enforcement for Xbox LIVE Stephen Tolouse explained the situation on Twitter: "For those asking about MW3 pre-release play: If your copy is legit and obtained legitly [sic], have fun. It's a great game."

However, Tolouse later changed his tune: "Clarification: dblchk'd with Activision. Mw3 pre-release play not authorised. So pls be patient. Playing early may impact your account!"

Call of Duty: Modern Warfare 3 will be released November 8, though PC gamers won't benefit from Elite.

If you're a little rusty on what's happened so far in the Modern Warfare franchise, check out our comprehensive story so far feature.

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