This 'Cities: Skylines' Calculator Is Powered by Massive Amounts of Poop

Cities: Skylines is an open-ended, city building simulation game that lets players create the city of their dreams—or nightmares. It's flexible enough to be used to create computers, too, as it turns out. Software engineer Dániel Bali used Cities: Skylines to create a 4-bit computer that's able to do simple addition.

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