Diablo III is a joy on a desktop. It's even fun to play on a Macbook Air. But how will Blizzard's online-only dungeon crawler fare while played on a train traveling 90 miles an hour down New York's Harlem Valley using a Sprint 3G card?

Sure, the specifics may not apply to everyone, but it does tackle a broader concern: How reliable and strong an Internet connection will you need to play Diablo III. And what happens when you lose that connection.

Watch the video to find out.


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