If you’ve ever been to summer camp – or even recess at school – you’ve probably grabbed a ball and dashed towards the pavement with the big painted square divided into four parts. Yes, foursquare. And as you grew up, you progressed to friendly games of volleyball at your company picnic or the beach. But what if you could combine the two? Seems like a no-brainer, right? Well, someone did. Three childhood friends, in fact, created a quick set-up game of volleyball four-square called CROSSNET.