Hassabis had two obsessions. One was designing computer games. In his gap year,5 he helped celebrated British designer Peter Molyneux create Theme Park, in which players build and operate a sprawling digital simulation of a Ferris-wheel-and-rollercoaster amusement park. It sold an estimated 10 million copies, helping to inspire a whole new breed of game—“sims” that re-created huge swaths of the physical world.
