Amazon DotD - Sid Meier's Civilization IV: Gold Edition $29.99

Basically, if you don't have it by now, this is the time to jump on it. "This is what PC strategy is all about: hour after hour of interesting decisions and nail-biting conflicts. The single-player game alone is remarkable, but the addition of multiplayer (and yes, it actually works this time) puts it over the top." - GameSpy.

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