SimCity has been lying to you. For decades, the legendary city-simulation game has given players the sense that they possessed real power over virtual people. When you played SimCity—whether you got hooked by the original game, created by Will Wright and released in 1989, or its many wonderful sequels—you imagined yourself as a city-planning savant who had the power to make life awesome or awful for thousands of hapless simulated citizens.
Sure, they weren’t real people, but the genius of SimCity was the way it elicited empathy for your digital constituents. When you hiked taxes or shut down a fire station or plopped a coal power plant in a residential neighborhood, you imagined, if only briefly, the tragic consequences of your callous reign. Somewhere deep down in the game engine, a simulated salaryman was losing his job, someone’s sim apartment was burning down, and little sim boys and girls were coughing in their sleep. And it was your fault.
But that was all a fiction. In truth, SimCity’s simulation engine has never had a place for simulated citizens. Instead, under the hood, the game has always modeled the city the same way the Soviets did—from the top down. For instance, if you decreased funding for your city’s hospitals, SimCity would simply apply a macroeconomic function to approximate how increased levels of sickness would affect the overall economy. The game’s designers knew this was something of a hack, but they had no choice. Early computers didn’t have the horsepower to keep track of how every individual’s deteriorating health might change how he behaved, and how those behaviors might ricochet across the city. Indeed, if you looked closely at SimCity’s screen, you’d often notice cars and people fade in and out of view. “That’s because they weren’t really there,” says Ocean Quigley, a longtime game designer at Maxis, the studio that makes SimCity. “The whole city was just an abstract, top-down, statistical representation of how a city worked.” It was, in other words, a simulated simulation.
Well, until now. On Tuesday, Maxis will launch the sixth major version of SimCity. (For now it’s for Windows PCs only; Maxis says it will put out a Mac version this spring.) For the first time, the game does something it has long pretended to do: SimCity simulates discrete urban behavior, tracking how every person and every object interacts. “We now have every car and every person and every garbage truck and every criminal represented by an autonomous agent in the environment,” says Quigley, who served as the creative and art director on the new game. “Then we give each of them simple rules about how they should behave—so a criminal goes around looking for a place to commit crime, and a policeman goes about looking for places where crimes are being committed. What you get is a city built out of the emergent interactions between all these agents.”
The end result is incredible. I’ve been playing SimCity since late last week, and, like every previous version, I’ve found it to be unyieldingly addictive. (I’ve got a 2-year-old and a 3-week-old at home; my wife texted me to let me know they’re doing fine.) But SimCity isn’t just habit-forming. It’s also deeper and more realistic than any other sim game I’ve played. Because previous versions weren’t really tracking citizens’ activities, the game could only give you limited information about what was going on in your city. In fact, a lot of what happened was just luck—the work of a random-number generator. The new game, by contrast, floods you with real-time data about what’s happening in your city (in my case, ManjooVille).
What do you know about your metropolis? With regards to the economy, you can find out how much money every business is making, how many workers it has and how many it needs, where it’s shipping its products, and why it had to just shut its doors. The game provides you this data on micro scale—you can follow every object in the game—or in the aggregate, painting color-coded maps across your landscape.
In some ways, all the data makes the game easier to play. In the old SimCity, I’d often find myself creating some version of Los Angeles or Houston. I’d have a large, prosperous city hobbled by a few problems—pollution, traffic, crime—that I could never lick, because I had no insight into how they were occurring. Now that there’s an inner logic to ManjooVille, an illustration of the way each of your decisions filters down to every John and Jane Sim, you can usually spot how to fix whatever’s going wrong.
In other ways, though, greater authenticity makes SimCity a lot more difficult. For one thing, like in real life, your city’s resources are now finite. When you set up your city, you’re shown how much water, oil, coal, wind, and other natural resources are available. You’d be wise to pay attention—if you create a sprawling metropolis based on coal but then find you can’t buy any once your mine runs out, you’ll be hosed.
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