SimCity creative director Ocean Quigley announced today on Twitter that he's leaving Maxis to found an indie studio called "Jellygrade" alongside two other Maxis designers.

One cool feature in Maxis' upcoming SimCity is the "filter" setting, which lets you view your city through all manner of lens. You can choose any of over a dozen filters, from soft-focus "warm" to a Sin City-like black and red, to "vintage," which will look familiar to most anyone who has endured used social media…