Mass Effect's Citadel is one of the best virtual cities BioWare has ever created

Everything else aside, Mass Effect’s Citadel is just a great piece of science fiction. This colossal 44km long space station was built generations ago – it’s presumed by the extinct Prothean race, although no one’s really sure. Thousands of years later, it’s now populated by dozens of different species, and has become a galactic hub for trade, diplomacy, and, of course, drinking in its many neon-lit bars. It’s basically a giant floating space city, with 13 million souls living and working there...
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